diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2011-03-01 14:53:26 +1100 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2011-03-01 14:53:26 +1100 |
commit | 77afbd2c51f61ebe4a241a3ca445c2e470a5578d (patch) | |
tree | 597eec162f655461489aeb73de5d492b68e00456 /drivers | |
parent | e9657304d0171ad723ad03d4dbdae592c8f3a969 (diff) | |
parent | a1751461bed6fa6bcaea3c77f35476b54230c120 (diff) |
Merge remote-tracking branch 'mfd/for-next'
Conflicts:
arch/arm/mach-imx/mach-mx27_3ds.c
arch/arm/mach-imx/mach-pcm038.c
arch/arm/mach-mx3/mach-mx31_3ds.c
arch/arm/mach-mx3/mach-mx31moboard.c
Diffstat (limited to 'drivers')
59 files changed, 839 insertions, 319 deletions
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index 3b88a4e7c98a..ea8705b64d74 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c @@ -27,6 +27,7 @@ #include <linux/io.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/slab.h> #include <linux/timb_dma.h> @@ -684,7 +685,7 @@ static irqreturn_t td_irq(int irq, void *devid) static int __devinit td_probe(struct platform_device *pdev) { - struct timb_dma_platform_data *pdata = pdev->dev.platform_data; + struct timb_dma_platform_data *pdata = mfd_get_data(pdev); struct timb_dma *td; struct resource *iomem; int irq; diff --git a/drivers/gpio/janz-ttl.c b/drivers/gpio/janz-ttl.c index 813ac077e5d7..2514fb075f4a 100644 --- a/drivers/gpio/janz-ttl.c +++ b/drivers/gpio/janz-ttl.c @@ -15,6 +15,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/slab.h> @@ -149,7 +150,7 @@ static int __devinit ttl_probe(struct platform_device *pdev) struct resource *res; int ret; - pdata = pdev->dev.platform_data; + pdata = mfd_get_data(pdev); if (!pdata) { dev_err(dev, "no platform data\n"); ret = -ENXIO; diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c index 897e0577e65e..a9bda881935a 100644 --- a/drivers/gpio/rdc321x-gpio.c +++ b/drivers/gpio/rdc321x-gpio.c @@ -27,6 +27,7 @@ #include <linux/pci.h> #include <linux/gpio.h> #include <linux/mfd/rdc321x.h> +#include <linux/mfd/core.h> #include <linux/slab.h> struct rdc321x_gpio { @@ -135,7 +136,7 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev) struct rdc321x_gpio *rdc321x_gpio_dev; struct rdc321x_gpio_pdata *pdata; - pdata = platform_get_drvdata(pdev); + pdata = mfd_get_data(pdev); if (!pdata) { dev_err(&pdev->dev, "no platform data supplied\n"); return -ENODEV; diff --git a/drivers/gpio/timbgpio.c b/drivers/gpio/timbgpio.c index 58c8f30352dd..ffcd815b8b8b 100644 --- a/drivers/gpio/timbgpio.c +++ b/drivers/gpio/timbgpio.c @@ -23,6 +23,7 @@ #include <linux/module.h> #include <linux/gpio.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/irq.h> #include <linux/io.h> #include <linux/timb_gpio.h> @@ -228,7 +229,7 @@ static int __devinit timbgpio_probe(struct platform_device *pdev) struct gpio_chip *gc; struct timbgpio *tgpio; struct resource *iomem; - struct timbgpio_platform_data *pdata = pdev->dev.platform_data; + struct timbgpio_platform_data *pdata = mfd_get_data(pdev); int irq = platform_get_irq(pdev, 0); if (!pdata || pdata->nr_pins > 32) { @@ -319,14 +320,13 @@ err_mem: static int __devexit timbgpio_remove(struct platform_device *pdev) { int err; - struct timbgpio_platform_data *pdata = pdev->dev.platform_data; struct timbgpio *tgpio = platform_get_drvdata(pdev); struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); int irq = platform_get_irq(pdev, 0); if (irq >= 0 && tgpio->irq_base > 0) { int i; - for (i = 0; i < pdata->nr_pins; i++) { + for (i = 0; i < tgpio->gpio.ngpio; i++) { set_irq_chip(tgpio->irq_base + i, NULL); set_irq_chip_data(tgpio->irq_base + i, NULL); } diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c index 1c8b3d9e2051..40f106d95afe 100644 --- a/drivers/hwmon/jz4740-hwmon.c +++ b/drivers/hwmon/jz4740-hwmon.c @@ -112,7 +112,7 @@ static int __devinit jz4740_hwmon_probe(struct platform_device *pdev) return -ENOMEM; } - hwmon->cell = pdev->dev.platform_data; + hwmon->cell = mfd_get_cell(pdev); hwmon->irq = platform_get_irq(pdev, 0); if (hwmon->irq < 0) { diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index ef3bcb1ce864..a3f479971415 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -49,6 +49,7 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/wait.h> @@ -305,7 +306,7 @@ static int __devinit ocores_i2c_probe(struct platform_device *pdev) return -EIO; } - pdata = pdev->dev.platform_data; + pdata = mfd_get_data(pdev); if (pdata) { i2c->regstep = pdata->regstep; i2c->clock_khz = pdata->clock_khz; diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index a9c419e075a5..9fbd7e6fe32e 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -34,6 +34,7 @@ #include <linux/errno.h> #include <linux/delay.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/wait.h> @@ -704,7 +705,7 @@ static int __devinit xiic_i2c_probe(struct platform_device *pdev) if (irq < 0) goto resource_missing; - pdata = (struct xiic_i2c_platform_data *) pdev->dev.platform_data; + pdata = mfd_get_data(pdev); if (!pdata) return -EINVAL; diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c index 014dd4ad0d4f..6a11694e3fc7 100644 --- a/drivers/input/misc/twl4030-vibra.c +++ b/drivers/input/misc/twl4030-vibra.c @@ -29,6 +29,7 @@ #include <linux/workqueue.h> #include <linux/i2c/twl.h> #include <linux/mfd/twl4030-codec.h> +#include <linux/mfd/core.h> #include <linux/input.h> #include <linux/slab.h> @@ -196,7 +197,7 @@ static SIMPLE_DEV_PM_OPS(twl4030_vibra_pm_ops, static int __devinit twl4030_vibra_probe(struct platform_device *pdev) { - struct twl4030_codec_vibra_data *pdata = pdev->dev.platform_data; + struct twl4030_codec_vibra_data *pdata = mfd_get_data(pdev); struct vibra_info *info; int ret; diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c index f05bb08d0f09..06a5bb484707 100644 --- a/drivers/leds/leds-mc13783.c +++ b/drivers/leds/leds-mc13783.c @@ -22,6 +22,7 @@ #include <linux/leds.h> #include <linux/workqueue.h> #include <linux/mfd/mc13783.h> +#include <linux/mfd/core.h> #include <linux/slab.h> struct mc13783_led { @@ -183,7 +184,7 @@ static int __devinit mc13783_led_setup(struct mc13783_led *led, int max_current) static int __devinit mc13783_leds_prepare(struct platform_device *pdev) { - struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct mc13783_leds_platform_data *pdata = mfd_get_data(pdev); struct mc13783 *dev = dev_get_drvdata(pdev->dev.parent); int ret = 0; int reg = 0; @@ -264,7 +265,7 @@ out: static int __devinit mc13783_led_probe(struct platform_device *pdev) { - struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct mc13783_leds_platform_data *pdata = mfd_get_data(pdev); struct mc13783_led_platform_data *led_cur; struct mc13783_led *led, *led_dat; int ret, i; @@ -351,7 +352,7 @@ err_free: static int __devexit mc13783_led_remove(struct platform_device *pdev) { - struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct mc13783_leds_platform_data *pdata = mfd_get_data(pdev); struct mc13783_led *led = platform_get_drvdata(pdev); struct mc13783 *dev = dev_get_drvdata(pdev->dev.parent); int i; diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c index a185610b376b..1e3a8dd820a4 100644 --- a/drivers/media/radio/radio-timb.c +++ b/drivers/media/radio/radio-timb.c @@ -21,6 +21,7 @@ #include <media/v4l2-ioctl.h> #include <media/v4l2-device.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/i2c.h> @@ -148,7 +149,7 @@ static const struct v4l2_file_operations timbradio_fops = { static int __devinit timbradio_probe(struct platform_device *pdev) { - struct timb_radio_platform_data *pdata = pdev->dev.platform_data; + struct timb_radio_platform_data *pdata = mfd_get_data(pdev); struct timbradio *tr; int err; diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c index 7ecc8e657663..4698eb00b59f 100644 --- a/drivers/media/radio/radio-wl1273.c +++ b/drivers/media/radio/radio-wl1273.c @@ -2138,7 +2138,7 @@ static int wl1273_fm_radio_remove(struct platform_device *pdev) static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev) { - struct wl1273_core **core = pdev->dev.platform_data; + struct wl1273_core **core = mfd_get_data(pdev); struct wl1273_device *radio; struct v4l2_ctrl *ctrl; int r = 0; diff --git a/drivers/media/video/timblogiw.c b/drivers/media/video/timblogiw.c index fc611ebeb82c..84d4c7c83435 100644 --- a/drivers/media/video/timblogiw.c +++ b/drivers/media/video/timblogiw.c @@ -24,6 +24,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/dmaengine.h> +#include <linux/mfd/core.h> #include <linux/scatterlist.h> #include <linux/interrupt.h> #include <linux/list.h> @@ -790,7 +791,7 @@ static int __devinit timblogiw_probe(struct platform_device *pdev) { int err; struct timblogiw *lw = NULL; - struct timb_video_platform_data *pdata = pdev->dev.platform_data; + struct timb_video_platform_data *pdata = mfd_get_data(pdev); if (!pdata) { dev_err(&pdev->dev, "No platform data\n"); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index fd018366d670..53095342bc07 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -523,6 +523,13 @@ config AB8500_DEBUG Select this option if you want debug information using the debug filesystem, debugfs. +config AB8500_GPADC + bool "AB8500 GPADC driver" + depends on AB8500_CORE && REGULATOR_AB8500 + default y + help + AB8500 GPADC driver used to convert Acc and battery/ac/usb voltage + config AB3550_CORE bool "ST-Ericsson AB3550 Mixed Signal Circuit core functions" select MFD_CORE diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index a54e2c7c6a1c..c7e99dfe6021 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -70,9 +70,10 @@ obj-$(CONFIG_ABX500_CORE) += abx500-core.o obj-$(CONFIG_AB3100_CORE) += ab3100-core.o obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o obj-$(CONFIG_AB3550_CORE) += ab3550-core.o -obj-$(CONFIG_AB8500_CORE) += ab8500-core.o +obj-$(CONFIG_AB8500_CORE) += ab8500-core.o ab8500-sysctrl.o obj-$(CONFIG_AB8500_I2C_CORE) += ab8500-i2c.o obj-$(CONFIG_AB8500_DEBUG) += ab8500-debugfs.o +obj-$(CONFIG_AB8500_GPADC) += ab8500-gpadc.o obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o obj-$(CONFIG_PMIC_ADP5520) += adp5520.o obj-$(CONFIG_LPC_SCH) += lpc_sch.o diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c index 4193af5f2743..a751927047ac 100644 --- a/drivers/mfd/ab3100-core.c +++ b/drivers/mfd/ab3100-core.c @@ -613,7 +613,7 @@ static void ab3100_setup_debugfs(struct ab3100 *ab3100) ab3100_get_priv.ab3100 = ab3100; ab3100_get_priv.mode = false; ab3100_get_reg_file = debugfs_create_file("get_reg", - S_IWUGO, ab3100_dir, &ab3100_get_priv, + S_IWUSR, ab3100_dir, &ab3100_get_priv, &ab3100_get_set_reg_fops); if (!ab3100_get_reg_file) { err = -ENOMEM; @@ -623,7 +623,7 @@ static void ab3100_setup_debugfs(struct ab3100 *ab3100) ab3100_set_priv.ab3100 = ab3100; ab3100_set_priv.mode = true; ab3100_set_reg_file = debugfs_create_file("set_reg", - S_IWUGO, ab3100_dir, &ab3100_set_priv, + S_IWUSR, ab3100_dir, &ab3100_set_priv, &ab3100_get_set_reg_fops); if (!ab3100_set_reg_file) { err = -ENOMEM; @@ -949,10 +949,8 @@ static int __devinit ab3100_probe(struct i2c_client *client, goto exit_no_ops; /* Set up and register the platform devices. */ - for (i = 0; i < ARRAY_SIZE(ab3100_devs); i++) { - ab3100_devs[i].platform_data = ab3100_plf_data; - ab3100_devs[i].data_size = sizeof(struct ab3100_platform_data); - } + for (i = 0; i < ARRAY_SIZE(ab3100_devs); i++) + ab3100_devs[i].mfd_data = ab3100_plf_data; err = mfd_add_devices(&client->dev, 0, ab3100_devs, ARRAY_SIZE(ab3100_devs), NULL, 0); diff --git a/drivers/mfd/ab3550-core.c b/drivers/mfd/ab3550-core.c index 5fbca346b998..c12d04285226 100644 --- a/drivers/mfd/ab3550-core.c +++ b/drivers/mfd/ab3550-core.c @@ -1053,17 +1053,17 @@ static inline void ab3550_setup_debugfs(struct ab3550 *ab) goto exit_destroy_dir; ab3550_bank_file = debugfs_create_file("register-bank", - (S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_bank_fops); + (S_IRUGO | S_IWUSR), ab3550_dir, ab, &ab3550_bank_fops); if (!ab3550_bank_file) goto exit_destroy_reg; ab3550_address_file = debugfs_create_file("register-address", - (S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_address_fops); + (S_IRUGO | S_IWUSR), ab3550_dir, ab, &ab3550_address_fops); if (!ab3550_address_file) goto exit_destroy_bank; ab3550_val_file = debugfs_create_file("register-value", - (S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_val_fops); + (S_IRUGO | S_IWUSR), ab3550_dir, ab, &ab3550_val_fops); if (!ab3550_val_file) goto exit_destroy_address; @@ -1320,10 +1320,8 @@ static int __init ab3550_probe(struct i2c_client *client, goto exit_no_ops; /* Set up and register the platform devices. */ - for (i = 0; i < AB3550_NUM_DEVICES; i++) { - ab3550_devs[i].platform_data = ab3550_plf_data->dev_data[i]; - ab3550_devs[i].data_size = ab3550_plf_data->dev_data_sz[i]; - } + for (i = 0; i < AB3550_NUM_DEVICES; i++) + ab3550_devs[i].mfd_data = ab3550_plf_data->dev_data[i]; err = mfd_add_devices(&client->dev, 0, ab3550_devs, ARRAY_SIZE(ab3550_devs), NULL, diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c index 3c1541ae7223..64748e42ac03 100644 --- a/drivers/mfd/ab8500-debugfs.c +++ b/drivers/mfd/ab8500-debugfs.c @@ -585,18 +585,18 @@ static int __devinit ab8500_debug_probe(struct platform_device *plf) goto exit_destroy_dir; ab8500_bank_file = debugfs_create_file("register-bank", - (S_IRUGO | S_IWUGO), ab8500_dir, &plf->dev, &ab8500_bank_fops); + (S_IRUGO | S_IWUSR), ab8500_dir, &plf->dev, &ab8500_bank_fops); if (!ab8500_bank_file) goto exit_destroy_reg; ab8500_address_file = debugfs_create_file("register-address", - (S_IRUGO | S_IWUGO), ab8500_dir, &plf->dev, + (S_IRUGO | S_IWUSR), ab8500_dir, &plf->dev, &ab8500_address_fops); if (!ab8500_address_file) goto exit_destroy_bank; ab8500_val_file = debugfs_create_file("register-value", - (S_IRUGO | S_IWUGO), ab8500_dir, &plf->dev, &ab8500_val_fops); + (S_IRUGO | S_IWUSR), ab8500_dir, &plf->dev, &ab8500_val_fops); if (!ab8500_val_file) goto exit_destroy_address; diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c new file mode 100644 index 000000000000..19339bc439ca --- /dev/null +++ b/drivers/mfd/ab8500-gpadc.c @@ -0,0 +1,296 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * License Terms: GNU General Public License v2 + * Author: Arun R Murthy <arun.murthy@stericsson.com> + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/completion.h> +#include <linux/regulator/consumer.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/mfd/ab8500.h> +#include <linux/mfd/abx500.h> +#include <linux/mfd/ab8500-gpadc.h> + +/* + * GPADC register offsets + * Bank : 0x0A + */ +#define AB8500_GPADC_CTRL1_REG 0x00 +#define AB8500_GPADC_CTRL2_REG 0x01 +#define AB8500_GPADC_CTRL3_REG 0x02 +#define AB8500_GPADC_AUTO_TIMER_REG 0x03 +#define AB8500_GPADC_STAT_REG 0x04 +#define AB8500_GPADC_MANDATAL_REG 0x05 +#define AB8500_GPADC_MANDATAH_REG 0x06 +#define AB8500_GPADC_AUTODATAL_REG 0x07 +#define AB8500_GPADC_AUTODATAH_REG 0x08 +#define AB8500_GPADC_MUX_CTRL_REG 0x09 + +/* gpadc constants */ +#define EN_VINTCORE12 0x04 +#define EN_VTVOUT 0x02 +#define EN_GPADC 0x01 +#define DIS_GPADC 0x00 +#define SW_AVG_16 0x60 +#define ADC_SW_CONV 0x04 +#define EN_BUF 0x40 +#define DIS_ZERO 0x00 +#define GPADC_BUSY 0x01 + +/** + * struct ab8500_gpadc - ab8500 GPADC device information + * @dev: pointer to the struct device + * @parent: pointer to the parent device structure ab8500 + * @ab8500_gpadc_complete: pointer to the struct completion, to indicate + * the completion of gpadc conversion + * @ab8500_gpadc_lock: structure of type mutex + * @regu: pointer to the struct regulator + * @irq: interrupt number that is used by gpadc + */ +static struct ab8500_gpadc { + struct device *dev; + struct ab8500 *parent; + struct completion ab8500_gpadc_complete; + struct mutex ab8500_gpadc_lock; + struct regulator *regu; + int irq; +} *di; + +/** + * ab8500_gpadc_convert() - gpadc conversion + * @input: analog input to be converted to digital data + * + * This function converts the selected analog i/p to digital + * data. Thereafter calibration has to be made to obtain the + * data in the required quantity measurement. + */ +int ab8500_gpadc_convert(u8 input) +{ + int ret; + u16 data = 0; + int looplimit = 0; + u8 val, low_data, high_data; + + if (!di) + return -ENODEV; + + mutex_lock(&di->ab8500_gpadc_lock); + /* Enable VTVout LDO this is required for GPADC */ + regulator_enable(di->regu); + + /* Check if ADC is not busy, lock and proceed */ + do { + ret = abx500_get_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_STAT_REG, &val); + if (ret < 0) + goto out; + if (!(val & GPADC_BUSY)) + break; + msleep(10); + } while (++looplimit < 10); + if (looplimit >= 10 && (val & GPADC_BUSY)) { + dev_err(di->dev, "gpadc_conversion: GPADC busy"); + ret = -EINVAL; + goto out; + } + + /* Enable GPADC */ + ret = abx500_mask_and_set_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_CTRL1_REG, EN_GPADC, EN_GPADC); + if (ret < 0) { + dev_err(di->dev, "gpadc_conversion: enable gpadc failed\n"); + goto out; + } + /* Select the input source and set average samples to 16 */ + ret = abx500_set_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_CTRL2_REG, (input | SW_AVG_16)); + if (ret < 0) { + dev_err(di->dev, + "gpadc_conversion: set avg samples failed\n"); + goto out; + } + /* Enable ADC, Buffering and select rising edge, start Conversion */ + ret = abx500_mask_and_set_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_CTRL1_REG, EN_BUF, EN_BUF); + if (ret < 0) { + dev_err(di->dev, + "gpadc_conversion: select falling edge failed\n"); + goto out; + } + ret = abx500_mask_and_set_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_CTRL1_REG, ADC_SW_CONV, ADC_SW_CONV); + if (ret < 0) { + dev_err(di->dev, + "gpadc_conversion: start s/w conversion failed\n"); + goto out; + } + /* wait for completion of conversion */ + if (!wait_for_completion_timeout(&di->ab8500_gpadc_complete, 2*HZ)) { + dev_err(di->dev, + "timeout: didnt recieve GPADC conversion interrupt\n"); + ret = -EINVAL; + goto out; + } + + /* Read the converted RAW data */ + ret = abx500_get_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_MANDATAL_REG, &low_data); + if (ret < 0) { + dev_err(di->dev, "gpadc_conversion: read low data failed\n"); + goto out; + } + + ret = abx500_get_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_MANDATAH_REG, &high_data); + if (ret < 0) { + dev_err(di->dev, "gpadc_conversion: read high data failed\n"); + goto out; + } + + data = (high_data << 8) | low_data; + /* Disable GPADC */ + ret = abx500_set_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_CTRL1_REG, DIS_GPADC); + if (ret < 0) { + dev_err(di->dev, "gpadc_conversion: disable gpadc failed\n"); + goto out; + } + /* Disable VTVout LDO this is required for GPADC */ + regulator_disable(di->regu); + mutex_unlock(&di->ab8500_gpadc_lock); + return data; + +out: + /* + * It has shown to be needed to turn off the GPADC if an error occurs, + * otherwise we might have problem when waiting for the busy bit in the + * GPADC status register to go low. In V1.1 there wait_for_completion + * seems to timeout when waiting for an interrupt.. Not seen in V2.0 + */ + (void) abx500_set_register_interruptible(di->dev, AB8500_GPADC, + AB8500_GPADC_CTRL1_REG, DIS_GPADC); + regulator_disable(di->regu); + mutex_unlock(&di->ab8500_gpadc_lock); + dev_err(di->dev, "gpadc_conversion: Failed to AD convert channel %d\n", + input); + return ret; +} +EXPORT_SYMBOL(ab8500_gpadc_convert); + +/** + * ab8500_bm_gpswadcconvend_handler() - isr for s/w gpadc conversion completion + * @irq: irq number + * @data: pointer to the data passed during request irq + * + * This is a interrupt service routine for s/w gpadc conversion completion. + * Notifies the gpadc completion is completed and the converted raw value + * can be read from the registers. + * Returns IRQ status(IRQ_HANDLED) + */ +static irqreturn_t ab8500_bm_gpswadcconvend_handler(int irq, void *_di) +{ + struct ab8500_gpadc *gpadc = _di; + + complete(&gpadc->ab8500_gpadc_complete); + + return IRQ_HANDLED; +} + +static int __devinit ab8500_gpadc_probe(struct platform_device *pdev) +{ + int ret = 0; + struct ab8500_gpadc *gpadc; + + gpadc = kzalloc(sizeof(struct ab8500_gpadc), GFP_KERNEL); + if (!gpadc) { + dev_err(&pdev->dev, "Error: No memory\n"); + return -ENOMEM; + } + + gpadc->parent = dev_get_drvdata(pdev->dev.parent); + gpadc->irq = platform_get_irq_byname(pdev, "SW_CONV_END"); + if (gpadc->irq < 0) { + dev_err(gpadc->dev, "failed to get platform irq-%d\n", di->irq); + ret = gpadc->irq; + goto fail; + } + + gpadc->dev = &pdev->dev; + mutex_init(&di->ab8500_gpadc_lock); + + /* Initialize completion used to notify completion of conversion */ + init_completion(&gpadc->ab8500_gpadc_complete); + + /* Register interrupt - SwAdcComplete */ + ret = request_threaded_irq(gpadc->irq, NULL, + ab8500_bm_gpswadcconvend_handler, + IRQF_NO_SUSPEND | IRQF_SHARED, "ab8500-gpadc", gpadc); + if (ret < 0) { + dev_err(gpadc->dev, "Failed to register interrupt, irq: %d\n", + gpadc->irq); + goto fail; + } + + /* VTVout LDO used to power up ab8500-GPADC */ + gpadc->regu = regulator_get(&pdev->dev, "vddadc"); + if (IS_ERR(gpadc->regu)) { + ret = PTR_ERR(gpadc->regu); + dev_err(gpadc->dev, "failed to get vtvout LDO\n"); + goto fail; + } + di = gpadc; + dev_dbg(gpadc->dev, "probe success\n"); + return 0; +fail: + kfree(gpadc); + gpadc = NULL; + return ret; +} + +static int __devexit ab8500_gpadc_remove(struct platform_device *pdev) +{ + struct ab8500_gpadc *gpadc = platform_get_drvdata(pdev); + + /* remove interrupt - completion of Sw ADC conversion */ + free_irq(gpadc->irq, di); + /* disable VTVout LDO that is being used by GPADC */ + regulator_put(gpadc->regu); + kfree(gpadc); + gpadc = NULL; + return 0; +} + +static struct platform_driver ab8500_gpadc_driver = { + .probe = ab8500_gpadc_probe, + .remove = __devexit_p(ab8500_gpadc_remove), + .driver = { + .name = "ab8500-gpadc", + .owner = THIS_MODULE, + }, +}; + +static int __init ab8500_gpadc_init(void) +{ + return platform_driver_register(&ab8500_gpadc_driver); +} + +static void __exit ab8500_gpadc_exit(void) +{ + platform_driver_unregister(&ab8500_gpadc_driver); +} + +subsys_initcall_sync(ab8500_gpadc_init); +module_exit(ab8500_gpadc_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Arun R Murthy"); +MODULE_ALIAS("platform:ab8500_gpadc"); +MODULE_DESCRIPTION("AB8500 GPADC driver"); diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c new file mode 100644 index 000000000000..392185965b39 --- /dev/null +++ b/drivers/mfd/ab8500-sysctrl.c @@ -0,0 +1,80 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com> for ST Ericsson. + * License terms: GNU General Public License (GPL) version 2 + */ + +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/mfd/ab8500.h> +#include <linux/mfd/abx500.h> +#include <linux/mfd/ab8500/sysctrl.h> + +static struct device *sysctrl_dev; + +static inline bool valid_bank(u8 bank) +{ + return ((bank == AB8500_SYS_CTRL1_BLOCK) || + (bank == AB8500_SYS_CTRL2_BLOCK)); +} + +int ab8500_sysctrl_read(u16 reg, u8 *value) +{ + u8 bank; + + if (sysctrl_dev == NULL) + return -EAGAIN; + + bank = (reg >> 8); + if (!valid_bank(bank)) + return -EINVAL; + + return abx500_get_register_interruptible(sysctrl_dev, bank, + (u8)(reg & 0xFF), value); +} + +int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value) +{ + u8 bank; + + if (sysctrl_dev == NULL) + return -EAGAIN; + + bank = (reg >> 8); + if (!valid_bank(bank)) + return -EINVAL; + + return abx500_mask_and_set_register_interruptible(sysctrl_dev, bank, + (u8)(reg & 0xFF), mask, value); +} + +static int __devinit ab8500_sysctrl_probe(struct platform_device *pdev) +{ + sysctrl_dev = &pdev->dev; + return 0; +} + +static int __devexit ab8500_sysctrl_remove(struct platform_device *pdev) +{ + sysctrl_dev = NULL; + return 0; +} + +static struct platform_driver ab8500_sysctrl_driver = { + .driver = { + .name = "ab8500-sysctrl", + .owner = THIS_MODULE, + }, + .probe = ab8500_sysctrl_probe, + .remove = __devexit_p(ab8500_sysctrl_remove), +}; + +static int __init ab8500_sysctrl_init(void) +{ + return platform_driver_register(&ab8500_sysctrl_driver); +} +subsys_initcall(ab8500_sysctrl_init); + +MODULE_AUTHOR("Mattias Nilsson <mattias.i.nilsson@stericsson.com"); +MODULE_DESCRIPTION("AB8500 system control driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c index 3122139b4300..f1d88483112c 100644 --- a/drivers/mfd/adp5520.c +++ b/drivers/mfd/adp5520.c @@ -321,27 +321,27 @@ static int __devexit adp5520_remove(struct i2c_client *client) } #ifdef CONFIG_PM -static int adp5520_suspend(struct i2c_client *client, - pm_message_t state) +static int adp5520_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct adp5520_chip *chip = dev_get_drvdata(&client->dev); adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY); return 0; } -static int adp5520_resume(struct i2c_client *client) +static int adp5520_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct adp5520_chip *chip = dev_get_drvdata(&client->dev); adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY); return 0; } -#else -#define adp5520_suspend NULL -#define adp5520_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adp5520_pm, adp5520_suspend, adp5520_resume); + static const struct i2c_device_id adp5520_id[] = { { "pmic-adp5520", ID_ADP5520 }, { "pmic-adp5501", ID_ADP5501 }, @@ -353,11 +353,10 @@ static struct i2c_driver adp5520_driver = { .driver = { .name = "adp5520", .owner = THIS_MODULE, + .pm = &adp5520_pm, }, .probe = adp5520_probe, .remove = __devexit_p(adp5520_remove), - .suspend = adp5520_suspend, - .resume = adp5520_resume, .id_table = adp5520_id, }; diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index 6a1f94042612..0241f08fc00d 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -143,9 +143,9 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) unsigned long flags; struct asic3 *asic; - desc->chip->ack(irq); + desc->irq_data.chip->irq_ack(&desc->irq_data); - asic = desc->handler_data; + asic = get_irq_data(irq); for (iter = 0 ; iter < MAX_ASIC_ISR_LOOPS; iter++) { u32 status; @@ -682,7 +682,7 @@ static struct mfd_cell asic3_cell_ds1wm = { .name = "ds1wm", .enable = ds1wm_enable, .disable = ds1wm_disable, - .driver_data = &ds1wm_pdata, + .mfd_data = &ds1wm_pdata, .num_resources = ARRAY_SIZE(ds1wm_resources), .resources = ds1wm_resources, }; @@ -783,7 +783,7 @@ static struct mfd_cell asic3_cell_mmc = { .name = "tmio-mmc", .enable = asic3_mmc_enable, .disable = asic3_mmc_disable, - .driver_data = &asic3_mmc_data, + .mfd_data = &asic3_mmc_data, .num_resources = ARRAY_SIZE(asic3_mmc_resources), .resources = asic3_mmc_resources, }; @@ -810,9 +810,6 @@ static int __init asic3_mfd_probe(struct platform_device *pdev, ds1wm_resources[0].start >>= asic->bus_shift; ds1wm_resources[0].end >>= asic->bus_shift; - asic3_cell_ds1wm.platform_data = &asic3_cell_ds1wm; - asic3_cell_ds1wm.data_size = sizeof(asic3_cell_ds1wm); - /* MMC */ asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) + mem_sdio->start, 0x400 >> asic->bus_shift); @@ -824,9 +821,6 @@ static int __init asic3_mfd_probe(struct platform_device *pdev, asic3_mmc_resources[0].start >>= asic->bus_shift; asic3_mmc_resources[0].end >>= asic->bus_shift; - asic3_cell_mmc.platform_data = &asic3_cell_mmc; - asic3_cell_mmc.data_size = sizeof(asic3_cell_mmc); - ret = mfd_add_devices(&pdev->dev, pdev->id, &asic3_cell_ds1wm, 1, mem, asic->irq_base); if (ret < 0) diff --git a/drivers/mfd/cs5535-mfd.c b/drivers/mfd/cs5535-mfd.c index 59ca6f151e78..886a06871065 100644 --- a/drivers/mfd/cs5535-mfd.c +++ b/drivers/mfd/cs5535-mfd.c @@ -39,6 +39,37 @@ enum cs5535_mfd_bars { NR_BARS, }; +static int cs5535_mfd_res_enable(struct platform_device *pdev) +{ + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (!res) { + dev_err(&pdev->dev, "can't fetch device resource info\n"); + return -EIO; + } + + if (!request_region(res->start, resource_size(res), DRV_NAME)) { + dev_err(&pdev->dev, "can't request region\n"); + return -EIO; + } + + return 0; +} + +static int cs5535_mfd_res_disable(struct platform_device *pdev) +{ + struct resource *res; + res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (!res) { + dev_err(&pdev->dev, "can't fetch device resource info\n"); + return -EIO; + } + + release_region(res->start, resource_size(res)); + return 0; +} + static __devinitdata struct resource cs5535_mfd_resources[NR_BARS]; static __devinitdata struct mfd_cell cs5535_mfd_cells[] = { @@ -65,12 +96,18 @@ static __devinitdata struct mfd_cell cs5535_mfd_cells[] = { .name = "cs5535-pms", .num_resources = 1, .resources = &cs5535_mfd_resources[PMS_BAR], + + .enable = cs5535_mfd_res_enable, + .disable = cs5535_mfd_res_disable, }, { .id = ACPI_BAR, .name = "cs5535-acpi", .num_resources = 1, .resources = &cs5535_mfd_resources[ACPI_BAR], + + .enable = cs5535_mfd_res_enable, + .disable = cs5535_mfd_res_disable, }, }; diff --git a/drivers/mfd/davinci_voicecodec.c b/drivers/mfd/davinci_voicecodec.c index 33c923d215c7..414783b04849 100644 --- a/drivers/mfd/davinci_voicecodec.c +++ b/drivers/mfd/davinci_voicecodec.c @@ -118,13 +118,13 @@ static int __init davinci_vc_probe(struct platform_device *pdev) /* Voice codec interface client */ cell = &davinci_vc->cells[DAVINCI_VC_VCIF_CELL]; - cell->name = "davinci_vcif"; - cell->driver_data = davinci_vc; + cell->name = "davinci-vcif"; + cell->mfd_data = davinci_vc; /* Voice codec CQ93VC client */ cell = &davinci_vc->cells[DAVINCI_VC_CQ93VC_CELL]; - cell->name = "cq93vc"; - cell->driver_data = davinci_vc; + cell->name = "cq93vc-codec"; + cell->mfd_data = davinci_vc; ret = mfd_add_devices(&pdev->dev, pdev->id, davinci_vc->cells, DAVINCI_VC_CELLS, NULL, 0); diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c index 7bc752272dc1..fb9770b39a32 100644 --- a/drivers/mfd/htc-pasic3.c +++ b/drivers/mfd/htc-pasic3.c @@ -117,7 +117,7 @@ static struct mfd_cell ds1wm_cell __initdata = { .name = "ds1wm", .enable = ds1wm_enable, .disable = ds1wm_disable, - .driver_data = &ds1wm_pdata, + .mfd_data = &ds1wm_pdata, .num_resources = 2, .resources = ds1wm_resources, }; @@ -165,8 +165,6 @@ static int __init pasic3_probe(struct platform_device *pdev) ds1wm_pdata.clock_rate = pdata->clock_rate; /* the first 5 PASIC3 registers control the DS1WM */ ds1wm_resources[0].end = (5 << asic->bus_shift) - 1; - ds1wm_cell.platform_data = &ds1wm_cell; - ds1wm_cell.data_size = sizeof(ds1wm_cell); ret = mfd_add_devices(&pdev->dev, pdev->id, &ds1wm_cell, 1, r, irq); if (ret < 0) @@ -174,9 +172,6 @@ static int __init pasic3_probe(struct platform_device *pdev) } if (pdata && pdata->led_pdata) { - led_cell.driver_data = pdata->led_pdata; - led_cell.platform_data = &led_cell; - led_cell.data_size = sizeof(ds1wm_cell); ret = mfd_add_devices(&pdev->dev, pdev->id, &led_cell, 1, r, 0); if (ret < 0) dev_warn(dev, "failed to register LED device\n"); diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c index 36a166bcdb08..fc4191137e90 100644 --- a/drivers/mfd/janz-cmodio.c +++ b/drivers/mfd/janz-cmodio.c @@ -86,8 +86,7 @@ static int __devinit cmodio_setup_subdevice(struct cmodio_device *priv, /* Add platform data */ pdata->modno = modno; - cell->platform_data = pdata; - cell->data_size = sizeof(*pdata); + cell->mfd_data = pdata; /* MODULbus registers -- PCI BAR3 is big-endian MODULbus access */ res->flags = IORESOURCE_MEM; diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index 0cc59795f600..aa518b9beaf5 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -232,8 +232,6 @@ const struct mfd_cell jz4740_adc_cells[] = { .name = "jz4740-hwmon", .num_resources = ARRAY_SIZE(jz4740_hwmon_resources), .resources = jz4740_hwmon_resources, - .platform_data = (void *)&jz4740_adc_cells[0], - .data_size = sizeof(struct mfd_cell), .enable = jz4740_adc_cell_enable, .disable = jz4740_adc_cell_disable, @@ -243,8 +241,6 @@ const struct mfd_cell jz4740_adc_cells[] = { .name = "jz4740-battery", .num_resources = ARRAY_SIZE(jz4740_battery_resources), .resources = jz4740_battery_resources, - .platform_data = (void *)&jz4740_adc_cells[1], - .data_size = sizeof(struct mfd_cell), .enable = jz4740_adc_cell_enable, .disable = jz4740_adc_cell_disable, diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c index bbfe86732602..c00214257da2 100644 --- a/drivers/mfd/max8998.c +++ b/drivers/mfd/max8998.c @@ -233,7 +233,7 @@ struct max8998_reg_dump { u8 val; }; #define SAVE_ITEM(x) { .addr = (x), .val = 0x0, } -struct max8998_reg_dump max8998_dump[] = { +static struct max8998_reg_dump max8998_dump[] = { SAVE_ITEM(MAX8998_REG_IRQM1), SAVE_ITEM(MAX8998_REG_IRQM2), SAVE_ITEM(MAX8998_REG_IRQM3), @@ -298,7 +298,7 @@ static int max8998_restore(struct device *dev) return 0; } -const struct dev_pm_ops max8998_pm = { +static const struct dev_pm_ops max8998_pm = { .suspend = max8998_suspend, .resume = max8998_resume, .freeze = max8998_freeze, diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c index b9fcaf0004da..97a3b400ed4f 100644 --- a/drivers/mfd/mc13xxx-core.c +++ b/drivers/mfd/mc13xxx-core.c @@ -683,14 +683,13 @@ out: EXPORT_SYMBOL_GPL(mc13783_adc_do_conversion); static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx, - const char *format, void *pdata, size_t pdata_size) + const char *format, void *pdata) { char buf[30]; const char *name = mc13xxx_get_chipname(mc13xxx); struct mfd_cell cell = { - .platform_data = pdata, - .data_size = pdata_size, + .mfd_data = pdata, }; /* there is no asnprintf in the kernel :-( */ @@ -706,7 +705,7 @@ static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx, static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format) { - return mc13xxx_add_subdevice_pdata(mc13xxx, format, NULL, 0); + return mc13xxx_add_subdevice_pdata(mc13xxx, format, NULL); } static int mc13xxx_probe(struct spi_device *spi) @@ -764,13 +763,8 @@ err_revision: mc13xxx_add_subdevice(mc13xxx, "%s-codec"); if (pdata->flags & MC13XXX_USE_REGULATOR) { - struct mc13xxx_regulator_platform_data regulator_pdata = { - .num_regulators = pdata->num_regulators, - .regulators = pdata->regulators, - }; - mc13xxx_add_subdevice_pdata(mc13xxx, "%s-regulator", - ®ulator_pdata, sizeof(regulator_pdata)); + &pdata->regulators); } if (pdata->flags & MC13XXX_USE_RTC) @@ -779,10 +773,8 @@ err_revision: if (pdata->flags & MC13XXX_USE_TOUCHSCREEN) mc13xxx_add_subdevice(mc13xxx, "%s-ts"); - if (pdata->flags & MC13XXX_USE_LED) { - mc13xxx_add_subdevice_pdata(mc13xxx, "%s-led", - pdata->leds, sizeof(*pdata->leds)); - } + if (pdata->flags & MC13XXX_USE_LED) + mc13xxx_add_subdevice_pdata(mc13xxx, "%s-led", pdata->leds); return 0; } diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index d83ad0f141af..bb2264cc410b 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -18,6 +18,43 @@ #include <linux/pm_runtime.h> #include <linux/slab.h> +int mfd_shared_cell_enable(struct platform_device *pdev) +{ + const struct mfd_cell *cell = mfd_get_cell(pdev); + int err = 0; + + /* only call enable hook if the cell wasn't previously enabled */ + if (atomic_inc_return(cell->usage_count) == 1) + err = cell->enable(pdev); + + /* if the enable hook failed, decrement counter to allow retries */ + if (err) + atomic_dec(cell->usage_count); + + return err; +} +EXPORT_SYMBOL(mfd_shared_cell_enable); + +int mfd_shared_cell_disable(struct platform_device *pdev) +{ + const struct mfd_cell *cell = mfd_get_cell(pdev); + int err = 0; + + /* only disable if no other clients are using it */ + if (atomic_dec_return(cell->usage_count) == 0) + err = cell->disable(pdev); + + /* if the disable hook failed, increment to allow retries */ + if (err) + atomic_inc(cell->usage_count); + + /* sanity check; did someone call disable too many times? */ + WARN_ON(atomic_read(cell->usage_count) < 0); + + return err; +} +EXPORT_SYMBOL(mfd_shared_cell_disable); + static int mfd_add_device(struct device *parent, int id, const struct mfd_cell *cell, struct resource *mem_base, @@ -37,14 +74,10 @@ static int mfd_add_device(struct device *parent, int id, goto fail_device; pdev->dev.parent = parent; - platform_set_drvdata(pdev, cell->driver_data); - if (cell->data_size) { - ret = platform_device_add_data(pdev, - cell->platform_data, cell->data_size); - if (ret) - goto fail_res; - } + ret = platform_device_add_data(pdev, cell, sizeof(*cell)); + if (ret) + goto fail_res; for (r = 0; r < cell->num_resources; r++) { res[r].name = cell->resources[r].name; @@ -100,14 +133,22 @@ fail_alloc: } int mfd_add_devices(struct device *parent, int id, - const struct mfd_cell *cells, int n_devs, + struct mfd_cell *cells, int n_devs, struct resource *mem_base, int irq_base) { int i; int ret = 0; + atomic_t *cnts; + + /* initialize reference counting for all cells */ + cnts = kcalloc(sizeof(*cnts), n_devs, GFP_KERNEL); + if (!cnts) + return -ENOMEM; for (i = 0; i < n_devs; i++) { + atomic_set(&cnts[i], 0); + cells[i].usage_count = &cnts[i]; ret = mfd_add_device(parent, id, cells + i, mem_base, irq_base); if (ret) break; @@ -120,17 +161,89 @@ int mfd_add_devices(struct device *parent, int id, } EXPORT_SYMBOL(mfd_add_devices); -static int mfd_remove_devices_fn(struct device *dev, void *unused) +static int mfd_remove_devices_fn(struct device *dev, void *c) { - platform_device_unregister(to_platform_device(dev)); + struct platform_device *pdev = to_platform_device(dev); + const struct mfd_cell *cell = mfd_get_cell(pdev); + atomic_t **usage_count = c; + + /* find the base address of usage_count pointers (for freeing) */ + if (!*usage_count || (cell->usage_count < *usage_count)) + *usage_count = cell->usage_count; + + platform_device_unregister(pdev); return 0; } void mfd_remove_devices(struct device *parent) { - device_for_each_child(parent, NULL, mfd_remove_devices_fn); + atomic_t *cnts = NULL; + + device_for_each_child(parent, &cnts, mfd_remove_devices_fn); + kfree(cnts); } EXPORT_SYMBOL(mfd_remove_devices); +static int add_shared_platform_device(const char *cell, const char *name) +{ + struct mfd_cell cell_entry; + struct device *dev; + struct platform_device *pdev; + int err; + + /* check if we've already registered a device (don't fail if we have) */ + if (bus_find_device_by_name(&platform_bus_type, NULL, name)) + return 0; + + /* fetch the parent cell's device (should already be registered!) */ + dev = bus_find_device_by_name(&platform_bus_type, NULL, cell); + if (!dev) { + printk(KERN_ERR "failed to find device for cell %s\n", cell); + return -ENODEV; + } + pdev = to_platform_device(dev); + memcpy(&cell_entry, mfd_get_cell(pdev), sizeof(cell_entry)); + + WARN_ON(!cell_entry.enable); + + cell_entry.name = name; + err = mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0); + if (err) + dev_err(dev, "MFD add devices failed: %d\n", err); + return err; +} + +int mfd_shared_platform_driver_register(struct platform_driver *drv, + const char *cellname) +{ + int err; + + err = add_shared_platform_device(cellname, drv->driver.name); + if (err) + printk(KERN_ERR "failed to add platform device %s\n", + drv->driver.name); + + err = platform_driver_register(drv); + if (err) + printk(KERN_ERR "failed to add platform driver %s\n", + drv->driver.name); + + return err; +} +EXPORT_SYMBOL(mfd_shared_platform_driver_register); + +void mfd_shared_platform_driver_unregister(struct platform_driver *drv) +{ + struct device *dev; + + dev = bus_find_device_by_name(&platform_bus_type, NULL, + drv->driver.name); + if (dev) + platform_device_unregister(to_platform_device(dev)); + + platform_driver_unregister(drv); +} +EXPORT_SYMBOL(mfd_shared_platform_driver_unregister); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov"); diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 501ce13b693e..2640e4dcd078 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -21,6 +21,7 @@ #include <linux/workqueue.h> #include <linux/platform_device.h> #include <linux/i2c.h> +#include <linux/pm.h> #include <linux/slab.h> #include <linux/mfd/pcf50633/core.h> @@ -230,27 +231,26 @@ pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name, } } -#ifdef CONFIG_PM -static int pcf50633_suspend(struct i2c_client *client, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int pcf50633_suspend(struct device *dev) { - struct pcf50633 *pcf; - pcf = i2c_get_clientdata(client); + struct i2c_client *client = to_i2c_client(dev); + struct pcf50633 *pcf = i2c_get_clientdata(client); return pcf50633_irq_suspend(pcf); } -static int pcf50633_resume(struct i2c_client *client) +static int pcf50633_resume(struct device *dev) { - struct pcf50633 *pcf; - pcf = i2c_get_clientdata(client); + struct i2c_client *client = to_i2c_client(dev); + struct pcf50633 *pcf = i2c_get_clientdata(client); return pcf50633_irq_resume(pcf); } -#else -#define pcf50633_suspend NULL -#define pcf50633_resume NULL #endif +static SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume); + static int __devinit pcf50633_probe(struct i2c_client *client, const struct i2c_device_id *ids) { @@ -364,12 +364,11 @@ static struct i2c_device_id pcf50633_id_table[] = { static struct i2c_driver pcf50633_driver = { .driver = { .name = "pcf50633", + .pm = &pcf50633_pm, }, .id_table = pcf50633_id_table, .probe = pcf50633_probe, .remove = __devexit_p(pcf50633_remove), - .suspend = pcf50633_suspend, - .resume = pcf50633_resume, }; static int __init pcf50633_init(void) diff --git a/drivers/mfd/rdc321x-southbridge.c b/drivers/mfd/rdc321x-southbridge.c index 50922975bda3..193c940225b5 100644 --- a/drivers/mfd/rdc321x-southbridge.c +++ b/drivers/mfd/rdc321x-southbridge.c @@ -61,12 +61,12 @@ static struct mfd_cell rdc321x_sb_cells[] = { .name = "rdc321x-wdt", .resources = rdc321x_wdt_resource, .num_resources = ARRAY_SIZE(rdc321x_wdt_resource), - .driver_data = &rdc321x_wdt_pdata, + .mfd_data = &rdc321x_wdt_pdata, }, { .name = "rdc321x-gpio", .resources = rdc321x_gpio_resources, .num_resources = ARRAY_SIZE(rdc321x_gpio_resources), - .driver_data = &rdc321x_gpio_pdata, + .mfd_data = &rdc321x_gpio_pdata, }, }; diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c index 0a7df44a93c0..53a63024bf11 100644 --- a/drivers/mfd/sh_mobile_sdhi.c +++ b/drivers/mfd/sh_mobile_sdhi.c @@ -146,9 +146,7 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) } memcpy(&priv->cell_mmc, &sh_mobile_sdhi_cell, sizeof(priv->cell_mmc)); - priv->cell_mmc.driver_data = mmc_data; - priv->cell_mmc.platform_data = &priv->cell_mmc; - priv->cell_mmc.data_size = sizeof(priv->cell_mmc); + priv->cell_mmc.mfd_data = mmc_data; platform_set_drvdata(pdev, priv); diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c index 9caeb4ac6ea6..af57fc706a4c 100644 --- a/drivers/mfd/t7l66xb.c +++ b/drivers/mfd/t7l66xb.c @@ -170,7 +170,7 @@ static struct mfd_cell t7l66xb_cells[] = { .name = "tmio-mmc", .enable = t7l66xb_mmc_enable, .disable = t7l66xb_mmc_disable, - .driver_data = &t7166xb_mmc_data, + .mfd_data = &t7166xb_mmc_data, .num_resources = ARRAY_SIZE(t7l66xb_mmc_resources), .resources = t7l66xb_mmc_resources, }, @@ -383,16 +383,7 @@ static int t7l66xb_probe(struct platform_device *dev) t7l66xb_attach_irq(dev); - t7l66xb_cells[T7L66XB_CELL_NAND].driver_data = pdata->nand_data; - t7l66xb_cells[T7L66XB_CELL_NAND].platform_data = - &t7l66xb_cells[T7L66XB_CELL_NAND]; - t7l66xb_cells[T7L66XB_CELL_NAND].data_size = - sizeof(t7l66xb_cells[T7L66XB_CELL_NAND]); - - t7l66xb_cells[T7L66XB_CELL_MMC].platform_data = - &t7l66xb_cells[T7L66XB_CELL_MMC]; - t7l66xb_cells[T7L66XB_CELL_MMC].data_size = - sizeof(t7l66xb_cells[T7L66XB_CELL_MMC]); + t7l66xb_cells[T7L66XB_CELL_NAND].mfd_data = pdata->nand_data; ret = mfd_add_devices(&dev->dev, dev->id, t7l66xb_cells, ARRAY_SIZE(t7l66xb_cells), diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c index 6315f63f017d..b006f7cee952 100644 --- a/drivers/mfd/tc6387xb.c +++ b/drivers/mfd/tc6387xb.c @@ -131,7 +131,7 @@ static struct mfd_cell tc6387xb_cells[] = { .name = "tmio-mmc", .enable = tc6387xb_mmc_enable, .disable = tc6387xb_mmc_disable, - .driver_data = &tc6387xb_mmc_data, + .mfd_data = &tc6387xb_mmc_data, .num_resources = ARRAY_SIZE(tc6387xb_mmc_resources), .resources = tc6387xb_mmc_resources, }, @@ -190,11 +190,6 @@ static int __devinit tc6387xb_probe(struct platform_device *dev) printk(KERN_INFO "Toshiba tc6387xb initialised\n"); - tc6387xb_cells[TC6387XB_CELL_MMC].platform_data = - &tc6387xb_cells[TC6387XB_CELL_MMC]; - tc6387xb_cells[TC6387XB_CELL_MMC].data_size = - sizeof(tc6387xb_cells[TC6387XB_CELL_MMC]); - ret = mfd_add_devices(&dev->dev, dev->id, tc6387xb_cells, ARRAY_SIZE(tc6387xb_cells), iomem, irq); diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c index 9a238633a54d..3d62ded86a8f 100644 --- a/drivers/mfd/tc6393xb.c +++ b/drivers/mfd/tc6393xb.c @@ -393,7 +393,7 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = { .name = "tmio-mmc", .enable = tc6393xb_mmc_enable, .resume = tc6393xb_mmc_resume, - .driver_data = &tc6393xb_mmc_data, + .mfd_data = &tc6393xb_mmc_data, .num_resources = ARRAY_SIZE(tc6393xb_mmc_resources), .resources = tc6393xb_mmc_resources, }, @@ -693,27 +693,8 @@ static int __devinit tc6393xb_probe(struct platform_device *dev) goto err_setup; } - tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data; - tc6393xb_cells[TC6393XB_CELL_NAND].platform_data = - &tc6393xb_cells[TC6393XB_CELL_NAND]; - tc6393xb_cells[TC6393XB_CELL_NAND].data_size = - sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]); - - tc6393xb_cells[TC6393XB_CELL_MMC].platform_data = - &tc6393xb_cells[TC6393XB_CELL_MMC]; - tc6393xb_cells[TC6393XB_CELL_MMC].data_size = - sizeof(tc6393xb_cells[TC6393XB_CELL_MMC]); - - tc6393xb_cells[TC6393XB_CELL_OHCI].platform_data = - &tc6393xb_cells[TC6393XB_CELL_OHCI]; - tc6393xb_cells[TC6393XB_CELL_OHCI].data_size = - sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]); - - tc6393xb_cells[TC6393XB_CELL_FB].driver_data = tcpd->fb_data; - tc6393xb_cells[TC6393XB_CELL_FB].platform_data = - &tc6393xb_cells[TC6393XB_CELL_FB]; - tc6393xb_cells[TC6393XB_CELL_FB].data_size = - sizeof(tc6393xb_cells[TC6393XB_CELL_FB]); + tc6393xb_cells[TC6393XB_CELL_NAND].mfd_data = tcpd->nand_data; + tc6393xb_cells[TC6393XB_CELL_FB].mfd_data = tcpd->fb_data; ret = mfd_add_devices(&dev->dev, dev->id, tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells), diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c index 6ad8a7f8d390..94c6c8afad12 100644 --- a/drivers/mfd/timberdale.c +++ b/drivers/mfd/timberdale.c @@ -384,8 +384,7 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { .name = "timb-dma", .num_resources = ARRAY_SIZE(timberdale_dma_resources), .resources = timberdale_dma_resources, - .platform_data = &timb_dma_platform_data, - .data_size = sizeof(timb_dma_platform_data), + .mfd_data = &timb_dma_platform_data, }, { .name = "timb-uart", @@ -396,43 +395,37 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = { .name = "xiic-i2c", .num_resources = ARRAY_SIZE(timberdale_xiic_resources), .resources = timberdale_xiic_resources, - .platform_data = &timberdale_xiic_platform_data, - .data_size = sizeof(timberdale_xiic_platform_data), + .mfd_data = &timberdale_xiic_platform_data, }, { .name = "timb-gpio", .num_resources = ARRAY_SIZE(timberdale_gpio_resources), .resources = timberdale_gpio_resources, - .platform_data = &timberdale_gpio_platform_data, - .data_size = sizeof(timberdale_gpio_platform_data), + .mfd_data = &timberdale_gpio_platform_data, }, { .name = "timb-video", .num_resources = ARRAY_SIZE(timberdale_video_resources), .resources = timberdale_video_resources, - .platform_data = &timberdale_video_platform_data, - .data_size = sizeof(timberdale_video_platform_data), + .mfd_data = &timberdale_video_platform_data, }, { .name = "timb-radio", .num_resources = ARRAY_SIZE(timberdale_radio_resources), .resources = timberdale_radio_resources, - .platform_data = &timberdale_radio_platform_data, - .data_size = sizeof(timberdale_radio_platform_data), + .mfd_data = &timberdale_radio_platform_data, }, { .name = "xilinx_spi", .num_resources = ARRAY_SIZE(timberdale_spi_resources), .resources = timberdale_spi_resources, - .platform_data = &timberdale_xspi_platform_data, - .data_size = sizeof(timberdale_xspi_platform_data), + .mfd_data = &timberdale_xspi_platform_data, }, { .name = "ks8842", .num_resources = ARRAY_SIZE(timberdale_eth_resources), .resources = timberdale_eth_resources, - .platform_data = &timberdale_ks8842_platform_data, - .data_size = sizeof(timberdale_ks8842_platform_data) + .mfd_data = &timberdale_ks8842_platform_data, }, }; @@ -441,8 +434,7 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { .name = "timb-dma", .num_resources = ARRAY_SIZE(timberdale_dma_resources), .resources = timberdale_dma_resources, - .platform_data = &timb_dma_platform_data, - .data_size = sizeof(timb_dma_platform_data), + .mfd_data = &timb_dma_platform_data, }, { .name = "timb-uart", @@ -458,15 +450,13 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { .name = "xiic-i2c", .num_resources = ARRAY_SIZE(timberdale_xiic_resources), .resources = timberdale_xiic_resources, - .platform_data = &timberdale_xiic_platform_data, - .data_size = sizeof(timberdale_xiic_platform_data), + .mfd_data = &timberdale_xiic_platform_data, }, { .name = "timb-gpio", .num_resources = ARRAY_SIZE(timberdale_gpio_resources), .resources = timberdale_gpio_resources, - .platform_data = &timberdale_gpio_platform_data, - .data_size = sizeof(timberdale_gpio_platform_data), + .mfd_data = &timberdale_gpio_platform_data, }, { .name = "timb-mlogicore", @@ -477,29 +467,25 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = { .name = "timb-video", .num_resources = ARRAY_SIZE(timberdale_video_resources), .resources = timberdale_video_resources, - .platform_data = &timberdale_video_platform_data, - .data_size = sizeof(timberdale_video_platform_data), + .mfd_data = &timberdale_video_platform_data, }, { .name = "timb-radio", .num_resources = ARRAY_SIZE(timberdale_radio_resources), .resources = timberdale_radio_resources, - .platform_data = &timberdale_radio_platform_data, - .data_size = sizeof(timberdale_radio_platform_data), + .mfd_data = &timberdale_radio_platform_data, }, { .name = "xilinx_spi", .num_resources = ARRAY_SIZE(timberdale_spi_resources), .resources = timberdale_spi_resources, - .platform_data = &timberdale_xspi_platform_data, - .data_size = sizeof(timberdale_xspi_platform_data), + .mfd_data = &timberdale_xspi_platform_data, }, { .name = "ks8842", .num_resources = ARRAY_SIZE(timberdale_eth_resources), .resources = timberdale_eth_resources, - .platform_data = &timberdale_ks8842_platform_data, - .data_size = sizeof(timberdale_ks8842_platform_data) + .mfd_data = &timberdale_ks8842_platform_data, }, }; @@ -508,8 +494,7 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { .name = "timb-dma", .num_resources = ARRAY_SIZE(timberdale_dma_resources), .resources = timberdale_dma_resources, - .platform_data = &timb_dma_platform_data, - .data_size = sizeof(timb_dma_platform_data), + .mfd_data = &timb_dma_platform_data, }, { .name = "timb-uart", @@ -520,36 +505,31 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg2[] = { .name = "xiic-i2c", .num_resources = ARRAY_SIZE(timberdale_xiic_resources), .resources = timberdale_xiic_resources, - .platform_data = &timberdale_xiic_platform_data, - .data_size = sizeof(timberdale_xiic_platform_data), + .mfd_data = &timberdale_xiic_platform_data, }, { .name = "timb-gpio", .num_resources = ARRAY_SIZE(timberdale_gpio_resources), .resources = timberdale_gpio_resources, - .platform_data = &timberdale_gpio_platform_data, - .data_size = sizeof(timberdale_gpio_platform_data), + .mfd_data = &timberdale_gpio_platform_data, }, { .name = "timb-video", .num_resources = ARRAY_SIZE(timberdale_video_resources), .resources = timberdale_video_resources, - .platform_data = &timberdale_video_platform_data, - .data_size = sizeof(timberdale_video_platform_data), + .mfd_data = &timberdale_video_platform_data, }, { .name = "timb-radio", .num_resources = ARRAY_SIZE(timberdale_radio_resources), .resources = timberdale_radio_resources, - .platform_data = &timberdale_radio_platform_data, - .data_size = sizeof(timberdale_radio_platform_data), + .mfd_data = &timberdale_radio_platform_data, }, { .name = "xilinx_spi", .num_resources = ARRAY_SIZE(timberdale_spi_resources), .resources = timberdale_spi_resources, - .platform_data = &timberdale_xspi_platform_data, - .data_size = sizeof(timberdale_xspi_platform_data), + .mfd_data = &timberdale_xspi_platform_data, }, }; @@ -558,8 +538,7 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { .name = "timb-dma", .num_resources = ARRAY_SIZE(timberdale_dma_resources), .resources = timberdale_dma_resources, - .platform_data = &timb_dma_platform_data, - .data_size = sizeof(timb_dma_platform_data), + .mfd_data = &timb_dma_platform_data, }, { .name = "timb-uart", @@ -570,43 +549,37 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = { .name = "ocores-i2c", .num_resources = ARRAY_SIZE(timberdale_ocores_resources), .resources = timberdale_ocores_resources, - .platform_data = &timberdale_ocores_platform_data, - .data_size = sizeof(timberdale_ocores_platform_data), + .mfd_data = &timberdale_ocores_platform_data, }, { .name = "timb-gpio", .num_resources = ARRAY_SIZE(timberdale_gpio_resources), .resources = timberdale_gpio_resources, - .platform_data = &timberdale_gpio_platform_data, - .data_size = sizeof(timberdale_gpio_platform_data), + .mfd_data = &timberdale_gpio_platform_data, }, { .name = "timb-video", .num_resources = ARRAY_SIZE(timberdale_video_resources), .resources = timberdale_video_resources, - .platform_data = &timberdale_video_platform_data, - .data_size = sizeof(timberdale_video_platform_data), + .mfd_data = &timberdale_video_platform_data, }, { .name = "timb-radio", .num_resources = ARRAY_SIZE(timberdale_radio_resources), .resources = timberdale_radio_resources, - .platform_data = &timberdale_radio_platform_data, - .data_size = sizeof(timberdale_radio_platform_data), + .mfd_data = &timberdale_radio_platform_data, }, { .name = "xilinx_spi", .num_resources = ARRAY_SIZE(timberdale_spi_resources), .resources = timberdale_spi_resources, - .platform_data = &timberdale_xspi_platform_data, - .data_size = sizeof(timberdale_xspi_platform_data), + .mfd_data = &timberdale_xspi_platform_data, }, { .name = "ks8842", .num_resources = ARRAY_SIZE(timberdale_eth_resources), .resources = timberdale_eth_resources, - .platform_data = &timberdale_ks8842_platform_data, - .data_size = sizeof(timberdale_ks8842_platform_data) + .mfd_data = &timberdale_ks8842_platform_data, }, }; diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index 627cf577b16d..0aa9186aec19 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -150,12 +150,12 @@ static inline int __tps6586x_write(struct i2c_client *client, static inline int __tps6586x_writes(struct i2c_client *client, int reg, int len, uint8_t *val) { - int ret; + int ret, i; - ret = i2c_smbus_write_i2c_block_data(client, reg, len, val); - if (ret < 0) { - dev_err(&client->dev, "failed writings to 0x%02x\n", reg); - return ret; + for (i = 0; i < len; i++) { + ret = __tps6586x_write(client, reg + i, *(val + i)); + if (ret < 0) + return ret; } return 0; @@ -288,12 +288,10 @@ static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset, return tps6586x_update(tps6586x->dev, TPS6586X_GPIOSET1, val, mask); } -static void tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base) +static int tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base) { - int ret; - if (!gpio_base) - return; + return 0; tps6586x->gpio.owner = THIS_MODULE; tps6586x->gpio.label = tps6586x->client->name; @@ -307,9 +305,7 @@ static void tps6586x_gpio_init(struct tps6586x *tps6586x, int gpio_base) tps6586x->gpio.set = tps6586x_gpio_set; tps6586x->gpio.get = tps6586x_gpio_get; - ret = gpiochip_add(&tps6586x->gpio); - if (ret) - dev_warn(tps6586x->dev, "GPIO registration failed: %d\n", ret); + return gpiochip_add(&tps6586x->gpio); } static int __remove_subdev(struct device *dev, void *unused) @@ -517,17 +513,28 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client, } } + ret = tps6586x_gpio_init(tps6586x, pdata->gpio_base); + if (ret) { + dev_err(&client->dev, "GPIO registration failed: %d\n", ret); + goto err_gpio_init; + } + ret = tps6586x_add_subdevs(tps6586x, pdata); if (ret) { dev_err(&client->dev, "add devices failed: %d\n", ret); goto err_add_devs; } - tps6586x_gpio_init(tps6586x, pdata->gpio_base); - return 0; err_add_devs: + if (pdata->gpio_base) { + ret = gpiochip_remove(&tps6586x->gpio); + if (ret) + dev_err(&client->dev, "Can't remove gpio chip: %d\n", + ret); + } +err_gpio_init: if (client->irq) free_irq(client->irq, tps6586x); err_irq_init: @@ -587,4 +594,3 @@ module_exit(tps6586x_exit); MODULE_DESCRIPTION("TPS6586X core driver"); MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>"); MODULE_LICENSE("GPL"); - diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index a35fa7dcbf53..960b5bed7f52 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -721,13 +721,13 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features) } - if (twl_has_watchdog()) { + if (twl_has_watchdog() && twl_class_is_4030()) { child = add_child(0, "twl4030_wdt", NULL, 0, false, 0, 0); if (IS_ERR(child)) return PTR_ERR(child); } - if (twl_has_pwrbutton()) { + if (twl_has_pwrbutton() && twl_class_is_4030()) { child = add_child(1, "twl4030_pwrbutton", NULL, 0, true, pdata->irq_base + 8 + 0, 0); if (IS_ERR(child)) @@ -864,6 +864,10 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features) child = add_regulator(TWL6030_REG_VAUX3_6030, pdata->vaux3); if (IS_ERR(child)) return PTR_ERR(child); + + child = add_regulator(TWL6030_REG_CLK32KG, pdata->clk32kg); + if (IS_ERR(child)) + return PTR_ERR(child); } if (twl_has_bci() && pdata->bci && diff --git a/drivers/mfd/twl4030-codec.c b/drivers/mfd/twl4030-codec.c index 9a4b196d6deb..c02fded316c9 100644 --- a/drivers/mfd/twl4030-codec.c +++ b/drivers/mfd/twl4030-codec.c @@ -208,15 +208,13 @@ static int __devinit twl4030_codec_probe(struct platform_device *pdev) if (pdata->audio) { cell = &codec->cells[childs]; cell->name = "twl4030-codec"; - cell->platform_data = pdata->audio; - cell->data_size = sizeof(*pdata->audio); + cell->mfd_data = pdata->audio; childs++; } if (pdata->vibra) { cell = &codec->cells[childs]; cell->name = "twl4030-vibra"; - cell->platform_data = pdata->vibra; - cell->data_size = sizeof(*pdata->vibra); + cell->mfd_data = pdata->vibra; childs++; } diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index 000cb414a78a..38ffbd50a0d2 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -60,6 +60,7 @@ static inline void ucb1x00_ts_evt_add(struct ucb1x00_ts *ts, u16 pressure, u16 x input_report_abs(idev, ABS_X, x); input_report_abs(idev, ABS_Y, y); input_report_abs(idev, ABS_PRESSURE, pressure); + input_report_key(idev, BTN_TOUCH, 1); input_sync(idev); } @@ -68,6 +69,7 @@ static inline void ucb1x00_ts_event_release(struct ucb1x00_ts *ts) struct input_dev *idev = ts->idev; input_report_abs(idev, ABS_PRESSURE, 0); + input_report_key(idev, BTN_TOUCH, 0); input_sync(idev); } @@ -384,13 +386,20 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev) idev->open = ucb1x00_ts_open; idev->close = ucb1x00_ts_close; - __set_bit(EV_ABS, idev->evbit); - __set_bit(ABS_X, idev->absbit); - __set_bit(ABS_Y, idev->absbit); - __set_bit(ABS_PRESSURE, idev->absbit); + idev->evbit[0] = BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY); + idev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); input_set_drvdata(idev, ts); + ucb1x00_adc_enable(ts->ucb); + ts->x_res = ucb1x00_ts_read_xres(ts); + ts->y_res = ucb1x00_ts_read_yres(ts); + ucb1x00_adc_disable(ts->ucb); + + input_set_abs_params(idev, ABS_X, 0, ts->x_res, 0, 0); + input_set_abs_params(idev, ABS_Y, 0, ts->y_res, 0, 0); + input_set_abs_params(idev, ABS_PRESSURE, 0, 0, 0, 0); + err = input_register_device(idev); if (err) goto fail; diff --git a/drivers/mfd/wl1273-core.c b/drivers/mfd/wl1273-core.c index d2ecc2435736..529d65ba5353 100644 --- a/drivers/mfd/wl1273-core.c +++ b/drivers/mfd/wl1273-core.c @@ -38,7 +38,6 @@ static int wl1273_core_remove(struct i2c_client *client) dev_dbg(&client->dev, "%s\n", __func__); mfd_remove_devices(&client->dev); - i2c_set_clientdata(client, NULL); kfree(core); return 0; @@ -79,8 +78,7 @@ static int __devinit wl1273_core_probe(struct i2c_client *client, cell = &core->cells[children]; cell->name = "wl1273_fm_radio"; - cell->platform_data = &core; - cell->data_size = sizeof(core); + cell->mfd_data = &core; children++; if (pdata->children & WL1273_CODEC_CHILD) { @@ -88,8 +86,7 @@ static int __devinit wl1273_core_probe(struct i2c_client *client, dev_dbg(&client->dev, "%s: Have codec.\n", __func__); cell->name = "wl1273-codec"; - cell->platform_data = &core; - cell->data_size = sizeof(core); + cell->mfd_data = &core; children++; } @@ -104,7 +101,6 @@ static int __devinit wl1273_core_probe(struct i2c_client *client, return 0; err: - i2c_set_clientdata(client, NULL); pdata->free_resources(); kfree(core); diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c index f7192d438aab..2e45f60d01a7 100644 --- a/drivers/mfd/wm831x-irq.c +++ b/drivers/mfd/wm831x-irq.c @@ -26,15 +26,6 @@ #include <linux/delay.h> -/* - * Since generic IRQs don't currently support interrupt controllers on - * interrupt driven buses we don't use genirq but instead provide an - * interface that looks very much like the standard ones. This leads - * to some bodges, including storing interrupt handler information in - * the static irq_data table we use to look up the data for individual - * interrupts, but hopefully won't last too long. - */ - struct wm831x_irq_data { int primary; int reg; @@ -449,6 +440,18 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data) goto out; } + /* The touch interrupts are visible in the primary register as + * an optimisation; open code this to avoid complicating the + * main handling loop and so we can also skip iterating the + * descriptors. + */ + if (primary & WM831X_TCHPD_INT) + handle_nested_irq(wm831x->irq_base + WM831X_IRQ_TCHPD); + if (primary & WM831X_TCHDATA_INT) + handle_nested_irq(wm831x->irq_base + WM831X_IRQ_TCHDATA); + if (primary & (WM831X_TCHDATA_EINT | WM831X_TCHPD_EINT)) + goto out; + for (i = 0; i < ARRAY_SIZE(wm831x_irqs); i++) { int offset = wm831x_irqs[i].reg - 1; @@ -481,6 +484,9 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data) } out: + /* Touchscreen interrupts are handled specially in the driver */ + status_regs[0] &= ~(WM831X_TCHDATA_EINT | WM831X_TCHPD_EINT); + for (i = 0; i < ARRAY_SIZE(status_regs); i++) { if (status_regs[i]) wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1 + i, @@ -517,6 +523,14 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq) return 0; } + if (pdata->irq_cmos) + i = 0; + else + i = WM831X_IRQ_OD; + + wm831x_set_bits(wm831x, WM831X_IRQ_CONFIG, + WM831X_IRQ_OD, i); + /* Try to flag /IRQ as a wake source; there are a number of * unconditional wake sources in the PMIC so this isn't * conditional but we don't actually care *too* much if it diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c index 0a8f772be88c..eed8e4f7a5a1 100644 --- a/drivers/mfd/wm831x-spi.c +++ b/drivers/mfd/wm831x-spi.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/pm.h> #include <linux/spi/spi.h> #include <linux/mfd/wm831x/core.h> @@ -113,22 +114,27 @@ static int __devexit wm831x_spi_remove(struct spi_device *spi) return 0; } -static int wm831x_spi_suspend(struct spi_device *spi, pm_message_t m) +static int wm831x_spi_suspend(struct device *dev) { - struct wm831x *wm831x = dev_get_drvdata(&spi->dev); + struct wm831x *wm831x = dev_get_drvdata(dev); return wm831x_device_suspend(wm831x); } +static const struct dev_pm_ops wm831x_spi_pm = { + .freeze = wm831x_spi_suspend, + .suspend = wm831x_spi_suspend, +}; + static struct spi_driver wm8310_spi_driver = { .driver = { .name = "wm8310", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &wm831x_spi_pm, }, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), - .suspend = wm831x_spi_suspend, }; static struct spi_driver wm8311_spi_driver = { @@ -136,10 +142,10 @@ static struct spi_driver wm8311_spi_driver = { .name = "wm8311", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &wm831x_spi_pm, }, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), - .suspend = wm831x_spi_suspend, }; static struct spi_driver wm8312_spi_driver = { @@ -147,10 +153,10 @@ static struct spi_driver wm8312_spi_driver = { .name = "wm8312", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &wm831x_spi_pm, }, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), - .suspend = wm831x_spi_suspend, }; static struct spi_driver wm8320_spi_driver = { @@ -158,10 +164,10 @@ static struct spi_driver wm8320_spi_driver = { .name = "wm8320", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &wm831x_spi_pm, }, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), - .suspend = wm831x_spi_suspend, }; static struct spi_driver wm8321_spi_driver = { @@ -169,10 +175,10 @@ static struct spi_driver wm8321_spi_driver = { .name = "wm8321", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &wm831x_spi_pm, }, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), - .suspend = wm831x_spi_suspend, }; static struct spi_driver wm8325_spi_driver = { @@ -180,10 +186,10 @@ static struct spi_driver wm8325_spi_driver = { .name = "wm8325", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &wm831x_spi_pm, }, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), - .suspend = wm831x_spi_suspend, }; static struct spi_driver wm8326_spi_driver = { @@ -191,10 +197,10 @@ static struct spi_driver wm8326_spi_driver = { .name = "wm8326", .bus = &spi_bus_type, .owner = THIS_MODULE, + .pm = &wm831x_spi_pm, }, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), - .suspend = wm831x_spi_suspend, }; static int __init wm831x_spi_init(void) diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c index 1bfef4846b07..3a6e78cb0384 100644 --- a/drivers/mfd/wm8400-core.c +++ b/drivers/mfd/wm8400-core.c @@ -245,7 +245,7 @@ static int wm8400_register_codec(struct wm8400 *wm8400) { struct mfd_cell cell = { .name = "wm8400-codec", - .driver_data = wm8400, + .mfd_data = wm8400, }; return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0); diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 41233c7fa581..e673bda21f5d 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -246,6 +246,16 @@ static int wm8994_suspend(struct device *dev) struct wm8994 *wm8994 = dev_get_drvdata(dev); int ret; + /* Don't actually go through with the suspend if the CODEC is + * still active (eg, for audio passthrough from CP. */ + ret = wm8994_reg_read(wm8994, WM8994_POWER_MANAGEMENT_1); + if (ret < 0) { + dev_err(dev, "Failed to read power status: %d\n", ret); + } else if (ret & WM8994_VMID_SEL_MASK) { + dev_dbg(dev, "CODEC still active, ignoring suspend\n"); + return 0; + } + /* GPIO configuration state is saved here since we may be configuring * the GPIO alternate functions even if we're not using the gpiolib * driver for them. @@ -261,6 +271,13 @@ static int wm8994_suspend(struct device *dev) if (ret < 0) dev_err(dev, "Failed to save LDO registers: %d\n", ret); + /* Explicitly put the device into reset in case regulators + * don't get disabled in order to ensure consistent restart. + */ + wm8994_reg_write(wm8994, WM8994_SOFTWARE_RESET, 0x8994); + + wm8994->suspended = true; + ret = regulator_bulk_disable(wm8994->num_supplies, wm8994->supplies); if (ret != 0) { @@ -276,6 +293,10 @@ static int wm8994_resume(struct device *dev) struct wm8994 *wm8994 = dev_get_drvdata(dev); int ret; + /* We may have lied to the PM core about suspending */ + if (!wm8994->suspended) + return 0; + ret = regulator_bulk_enable(wm8994->num_supplies, wm8994->supplies); if (ret != 0) { @@ -298,6 +319,8 @@ static int wm8994_resume(struct device *dev) if (ret < 0) dev_err(dev, "Failed to restore GPIO registers: %d\n", ret); + wm8994->suspended = false; + return 0; } #endif diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c index 0e4998fa6fc5..4d34fbdc0399 100644 --- a/drivers/mmc/host/tmio_mmc.c +++ b/drivers/mmc/host/tmio_mmc.c @@ -303,8 +303,7 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host, int new_clock) static void tmio_mmc_clk_stop(struct tmio_mmc_host *host) { - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); /* * Testing on sh-mobile showed that SDIO IRQs are unmasked when @@ -327,8 +326,7 @@ static void tmio_mmc_clk_stop(struct tmio_mmc_host *host) static void tmio_mmc_clk_start(struct tmio_mmc_host *host) { - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, 0x0100 | sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL)); @@ -669,8 +667,7 @@ out: static irqreturn_t tmio_mmc_irq(int irq, void *devid) { struct tmio_mmc_host *host = devid; - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); unsigned int ireg, irq_mask, status; unsigned int sdio_ireg, sdio_irq_mask, sdio_status; @@ -799,8 +796,7 @@ static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host) struct scatterlist *sg = host->sg_ptr, *sg_tmp; struct dma_async_tx_descriptor *desc = NULL; struct dma_chan *chan = host->chan_rx; - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); dma_cookie_t cookie; int ret, i; bool aligned = true, multiple = true; @@ -869,8 +865,7 @@ static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host) struct scatterlist *sg = host->sg_ptr, *sg_tmp; struct dma_async_tx_descriptor *desc = NULL; struct dma_chan *chan = host->chan_tx; - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); dma_cookie_t cookie; int ret, i; bool aligned = true, multiple = true; @@ -1063,8 +1058,7 @@ static void tmio_mmc_release_dma(struct tmio_mmc_host *host) static int tmio_mmc_start_data(struct tmio_mmc_host *host, struct mmc_data *data) { - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); pr_debug("setup data transfer: blocksize %08x nr_blocks %d\n", data->blksz, data->blocks); @@ -1169,8 +1163,7 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) static int tmio_mmc_get_ro(struct mmc_host *mmc) { struct tmio_mmc_host *host = mmc_priv(mmc); - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); return ((pdata->flags & TMIO_MMC_WRPROTECT_DISABLE) || (sd_ctrl_read32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT)) ? 0 : 1; @@ -1179,8 +1172,7 @@ static int tmio_mmc_get_ro(struct mmc_host *mmc) static int tmio_mmc_get_cd(struct mmc_host *mmc) { struct tmio_mmc_host *host = mmc_priv(mmc); - struct mfd_cell *cell = host->pdev->dev.platform_data; - struct tmio_mmc_data *pdata = cell->driver_data; + struct tmio_mmc_data *pdata = mfd_get_data(host->pdev); if (!pdata->get_cd) return -ENOSYS; @@ -1199,7 +1191,7 @@ static const struct mmc_host_ops tmio_mmc_ops = { #ifdef CONFIG_PM static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state) { - struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct mmc_host *mmc = platform_get_drvdata(dev); int ret; @@ -1214,7 +1206,7 @@ static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state) static int tmio_mmc_resume(struct platform_device *dev) { - struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct mmc_host *mmc = platform_get_drvdata(dev); int ret = 0; @@ -1237,7 +1229,7 @@ out: static int __devinit tmio_mmc_probe(struct platform_device *dev) { - struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct tmio_mmc_data *pdata; struct resource *res_ctl; struct tmio_mmc_host *host; @@ -1252,7 +1244,7 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) if (!res_ctl) goto out; - pdata = cell->driver_data; + pdata = mfd_get_data(dev); if (!pdata || !pdata->hclk) goto out; @@ -1352,7 +1344,7 @@ out: static int __devexit tmio_mmc_remove(struct platform_device *dev) { - struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct mmc_host *mmc = platform_get_drvdata(dev); platform_set_drvdata(dev, NULL); diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c index 3041d1f7ae3f..2383b8f2306b 100644 --- a/drivers/mtd/nand/tmio_nand.c +++ b/drivers/mtd/nand/tmio_nand.c @@ -319,7 +319,7 @@ static int tmio_nand_correct_data(struct mtd_info *mtd, unsigned char *buf, static int tmio_hw_init(struct platform_device *dev, struct tmio_nand *tmio) { - struct mfd_cell *cell = dev_get_platdata(&dev->dev); + struct mfd_cell *cell = mfd_get_cell(dev); int ret; if (cell->enable) { @@ -363,7 +363,7 @@ static int tmio_hw_init(struct platform_device *dev, struct tmio_nand *tmio) static void tmio_hw_stop(struct platform_device *dev, struct tmio_nand *tmio) { - struct mfd_cell *cell = dev_get_platdata(&dev->dev); + struct mfd_cell *cell = mfd_get_cell(dev); tmio_iowrite8(FCR_MODE_POWER_OFF, tmio->fcr + FCR_MODE); if (cell->disable) @@ -372,8 +372,7 @@ static void tmio_hw_stop(struct platform_device *dev, struct tmio_nand *tmio) static int tmio_probe(struct platform_device *dev) { - struct mfd_cell *cell = dev_get_platdata(&dev->dev); - struct tmio_nand_data *data = cell->driver_data; + struct tmio_nand_data *data = mfd_get_data(dev); struct resource *fcr = platform_get_resource(dev, IORESOURCE_MEM, 0); struct resource *ccr = platform_get_resource(dev, @@ -516,7 +515,7 @@ static int tmio_remove(struct platform_device *dev) #ifdef CONFIG_PM static int tmio_suspend(struct platform_device *dev, pm_message_t state) { - struct mfd_cell *cell = dev_get_platdata(&dev->dev); + struct mfd_cell *cell = mfd_get_cell(dev); if (cell->suspend) cell->suspend(dev); @@ -527,7 +526,7 @@ static int tmio_suspend(struct platform_device *dev, pm_message_t state) static int tmio_resume(struct platform_device *dev) { - struct mfd_cell *cell = dev_get_platdata(&dev->dev); + struct mfd_cell *cell = mfd_get_cell(dev); /* FIXME - is this required or merely another attack of the broken * SHARP platform? Looks suspicious. diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index 366f5cc050ae..102b16c6cc97 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -15,6 +15,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/netdevice.h> #include <linux/can.h> @@ -1643,7 +1644,7 @@ static int __devinit ican3_probe(struct platform_device *pdev) struct device *dev; int ret; - pdata = pdev->dev.platform_data; + pdata = mfd_get_data(pdev); if (!pdata) return -ENXIO; diff --git a/drivers/net/ks8842.c b/drivers/net/ks8842.c index 928b2b83cef5..efd44afeae83 100644 --- a/drivers/net/ks8842.c +++ b/drivers/net/ks8842.c @@ -26,6 +26,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> @@ -1145,7 +1146,7 @@ static int __devinit ks8842_probe(struct platform_device *pdev) struct resource *iomem; struct net_device *netdev; struct ks8842_adapter *adapter; - struct ks8842_platform_data *pdata = pdev->dev.platform_data; + struct ks8842_platform_data *pdata = mfd_get_data(pdev); u16 id; unsigned i; diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c index 02414db6a94c..0938650a466c 100644 --- a/drivers/power/jz4740-battery.c +++ b/drivers/power/jz4740-battery.c @@ -258,7 +258,7 @@ static int __devinit jz_battery_probe(struct platform_device *pdev) return -ENOMEM; } - jz_battery->cell = pdev->dev.platform_data; + jz_battery->cell = mfd_get_cell(pdev); jz_battery->irq = platform_get_irq(pdev, 0); if (jz_battery->irq < 0) { diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index ed6feaf9398d..2dec589a8908 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -17,6 +17,7 @@ #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/mfd/abx500.h> +#include <linux/mfd/core.h> /* LDO registers and some handy masking definitions for AB3100 */ #define AB3100_LDO_A 0x40 @@ -576,7 +577,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = { static int __devinit ab3100_regulators_probe(struct platform_device *pdev) { - struct ab3100_platform_data *plfdata = pdev->dev.platform_data; + struct ab3100_platform_data *plfdata = mfd_get_data(pdev); int err = 0; u8 data; int i; diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index 3e5d0c3b4e53..23249cb0a8bd 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -15,6 +15,7 @@ #include <linux/regulator/driver.h> #include <linux/platform_device.h> #include <linux/kernel.h> +#include <linux/mfd/core.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/err.h> @@ -336,8 +337,7 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev) { struct mc13xxx_regulator_priv *priv; struct mc13xxx *mc13783 = dev_get_drvdata(pdev->dev.parent); - struct mc13783_regulator_platform_data *pdata = - dev_get_platdata(&pdev->dev); + struct mc13783_regulator_platform_data *pdata = mfd_get_data(pdev); struct mc13783_regulator_init_data *init_data; int i, ret; @@ -381,8 +381,7 @@ err: static int __devexit mc13783_regulator_remove(struct platform_device *pdev) { struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); - struct mc13783_regulator_platform_data *pdata = - dev_get_platdata(&pdev->dev); + struct mc13783_regulator_platform_data *pdata = mfd_get_data(pdev); int i; platform_set_drvdata(pdev, NULL); diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 1b8f7398a4a8..6f15168e5ed4 100644 --- a/drivers/regulator/mc13892-regulator.c +++ b/drivers/regulator/mc13892-regulator.c @@ -15,6 +15,7 @@ #include <linux/regulator/driver.h> #include <linux/platform_device.h> #include <linux/kernel.h> +#include <linux/mfd/core.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/err.h> @@ -520,8 +521,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev) { struct mc13xxx_regulator_priv *priv; struct mc13xxx *mc13892 = dev_get_drvdata(pdev->dev.parent); - struct mc13xxx_regulator_platform_data *pdata = - dev_get_platdata(&pdev->dev); + struct mc13xxx_regulator_platform_data *pdata = mfd_get_data(pdev); struct mc13xxx_regulator_init_data *init_data; int i, ret; u32 val; @@ -595,8 +595,7 @@ err_free: static int __devexit mc13892_regulator_remove(struct platform_device *pdev) { struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); - struct mc13xxx_regulator_platform_data *pdata = - dev_get_platdata(&pdev->dev); + struct mc13xxx_regulator_platform_data *pdata = mfd_get_data(pdev); int i; platform_set_drvdata(pdev, NULL); diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index bd332cf1cc3f..6a292852a358 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -475,6 +475,13 @@ static struct regulator_ops twlfixed_ops = { .get_status = twlreg_get_status, }; +static struct regulator_ops twl6030_fixed_resource = { + .enable = twlreg_enable, + .disable = twlreg_disable, + .is_enabled = twlreg_is_enabled, + .get_status = twlreg_get_status, +}; + /*----------------------------------------------------------------------*/ #define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ @@ -538,6 +545,20 @@ static struct regulator_ops twlfixed_ops = { }, \ } +#define TWL6030_FIXED_RESOURCE(label, offset, num, turnon_delay, remap_conf) { \ + .base = offset, \ + .id = num, \ + .delay = turnon_delay, \ + .remap = remap_conf, \ + .desc = { \ + .name = #label, \ + .id = TWL6030_REG_##label, \ + .ops = &twl6030_fixed_resource, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + }, \ + } + /* * We list regulators here if systems need some level of * software control over them after boot. @@ -577,7 +598,8 @@ static struct twlreg_info twl_regs[] = { TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0, 0x21), TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0, 0x21), TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0, 0x21), - TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0, 0x21) + TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0, 0x21), + TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 48, 0, 0x21), }; static int __devinit twlreg_probe(struct platform_device *pdev) diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c index 7adaef62a991..c9bf074f2d57 100644 --- a/drivers/spi/xilinx_spi.c +++ b/drivers/spi/xilinx_spi.c @@ -18,6 +18,7 @@ #include <linux/interrupt.h> #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/mfd/core.h> #include <linux/spi/spi.h> #include <linux/spi/spi_bitbang.h> #include <linux/spi/xilinx_spi.h> @@ -474,7 +475,7 @@ static int __devinit xilinx_spi_probe(struct platform_device *dev) struct spi_master *master; u8 i; - pdata = dev->dev.platform_data; + pdata = mfd_get_data(dev); if (pdata) { num_cs = pdata->num_chipselect; little_endian = pdata->little_endian; diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 8dabe8e31d8c..eeed16461e0d 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -185,7 +185,7 @@ static struct platform_driver ohci_hcd_tmio_driver; static int __devinit ohci_hcd_tmio_drv_probe(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct resource *regs = platform_get_resource(dev, IORESOURCE_MEM, 0); struct resource *config = platform_get_resource(dev, IORESOURCE_MEM, 1); struct resource *sram = platform_get_resource(dev, IORESOURCE_MEM, 2); @@ -274,7 +274,7 @@ static int __devexit ohci_hcd_tmio_drv_remove(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); struct tmio_hcd *tmio = hcd_to_tmio(hcd); - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); usb_remove_hcd(hcd); tmio_stop_hc(dev); @@ -293,7 +293,7 @@ static int __devexit ohci_hcd_tmio_drv_remove(struct platform_device *dev) #ifdef CONFIG_PM static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t state) { - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct usb_hcd *hcd = platform_get_drvdata(dev); struct ohci_hcd *ohci = hcd_to_ohci(hcd); struct tmio_hcd *tmio = hcd_to_tmio(hcd); @@ -326,7 +326,7 @@ static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t s static int ohci_hcd_tmio_drv_resume(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct usb_hcd *hcd = platform_get_drvdata(dev); struct ohci_hcd *ohci = hcd_to_ohci(hcd); struct tmio_hcd *tmio = hcd_to_tmio(hcd); diff --git a/drivers/video/tmiofb.c b/drivers/video/tmiofb.c index dfef88c803d4..7e57d3baab23 100644 --- a/drivers/video/tmiofb.c +++ b/drivers/video/tmiofb.c @@ -250,8 +250,7 @@ static irqreturn_t tmiofb_irq(int irq, void *__info) */ static int tmiofb_hw_stop(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; - struct tmio_fb_data *data = cell->driver_data; + struct tmio_fb_data *data = mfd_get_data(dev); struct fb_info *info = platform_get_drvdata(dev); struct tmiofb_par *par = info->par; @@ -268,7 +267,7 @@ static int tmiofb_hw_stop(struct platform_device *dev) */ static int tmiofb_hw_init(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct fb_info *info = platform_get_drvdata(dev); struct tmiofb_par *par = info->par; const struct resource *nlcr = &cell->resources[0]; @@ -312,8 +311,8 @@ static int tmiofb_hw_init(struct platform_device *dev) */ static void tmiofb_hw_mode(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; - struct tmio_fb_data *data = cell->driver_data; + struct mfd_cell *cell = mfd_get_cell(dev); + struct tmio_fb_data *data = mfd_get_data(dev); struct fb_info *info = platform_get_drvdata(dev); struct fb_videomode *mode = info->mode; struct tmiofb_par *par = info->par; @@ -559,9 +558,8 @@ static int tmiofb_ioctl(struct fb_info *fbi, static struct fb_videomode * tmiofb_find_mode(struct fb_info *info, struct fb_var_screeninfo *var) { - struct mfd_cell *cell = - info->device->platform_data; - struct tmio_fb_data *data = cell->driver_data; + struct tmio_fb_data *data = + mfd_get_data(to_platform_device(info->device)); struct fb_videomode *best = NULL; int i; @@ -581,9 +579,8 @@ static int tmiofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct fb_videomode *mode; - struct mfd_cell *cell = - info->device->platform_data; - struct tmio_fb_data *data = cell->driver_data; + struct tmio_fb_data *data = + mfd_get_data(to_platform_device(info->device)); mode = tmiofb_find_mode(info, var); if (!mode || var->bits_per_pixel > 16) @@ -683,8 +680,8 @@ static struct fb_ops tmiofb_ops = { static int __devinit tmiofb_probe(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; - struct tmio_fb_data *data = cell->driver_data; + struct mfd_cell *cell = mfd_get_cell(dev); + struct tmio_fb_data *data = mfd_get_data(dev); struct resource *ccr = platform_get_resource(dev, IORESOURCE_MEM, 1); struct resource *lcr = platform_get_resource(dev, IORESOURCE_MEM, 0); struct resource *vram = platform_get_resource(dev, IORESOURCE_MEM, 2); @@ -811,7 +808,7 @@ err_ioremap_ccr: static int __devexit tmiofb_remove(struct platform_device *dev) { - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); struct fb_info *info = platform_get_drvdata(dev); int irq = platform_get_irq(dev, 0); struct tmiofb_par *par; @@ -941,7 +938,7 @@ static int tmiofb_suspend(struct platform_device *dev, pm_message_t state) #ifdef CONFIG_FB_TMIO_ACCELL struct tmiofb_par *par = info->par; #endif - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); int retval = 0; console_lock(); @@ -973,7 +970,7 @@ static int tmiofb_suspend(struct platform_device *dev, pm_message_t state) static int tmiofb_resume(struct platform_device *dev) { struct fb_info *info = platform_get_drvdata(dev); - struct mfd_cell *cell = dev->dev.platform_data; + struct mfd_cell *cell = mfd_get_cell(dev); int retval = 0; console_lock(); diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c index 6b85e7fefa43..22fc726feb9b 100644 --- a/drivers/w1/masters/ds1wm.c +++ b/drivers/w1/masters/ds1wm.c @@ -216,7 +216,7 @@ static int ds1wm_find_divisor(int gclk) static void ds1wm_up(struct ds1wm_data *ds1wm_data) { int divisor; - struct ds1wm_driver_data *plat = ds1wm_data->cell->driver_data; + struct ds1wm_driver_data *plat = mfd_get_data(ds1wm_data->pdev); if (ds1wm_data->cell->enable) ds1wm_data->cell->enable(ds1wm_data->pdev); @@ -336,7 +336,7 @@ static int ds1wm_probe(struct platform_device *pdev) if (!pdev) return -ENODEV; - cell = pdev->dev.platform_data; + cell = mfd_get_cell(pdev); if (!cell) return -ENODEV; @@ -356,7 +356,7 @@ static int ds1wm_probe(struct platform_device *pdev) ret = -ENOMEM; goto err0; } - plat = cell->driver_data; + plat = mfd_get_data(pdev); /* calculate bus shift from mem resource */ ds1wm_data->bus_shift = resource_size(res) >> 3; diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c index 3939e53f5f98..d8e725082fdc 100644 --- a/drivers/watchdog/rdc321x_wdt.c +++ b/drivers/watchdog/rdc321x_wdt.c @@ -37,6 +37,7 @@ #include <linux/io.h> #include <linux/uaccess.h> #include <linux/mfd/rdc321x.h> +#include <linux/mfd/core.h> #define RDC_WDT_MASK 0x80000000 /* Mask */ #define RDC_WDT_EN 0x00800000 /* Enable bit */ @@ -231,7 +232,7 @@ static int __devinit rdc321x_wdt_probe(struct platform_device *pdev) struct resource *r; struct rdc321x_wdt_pdata *pdata; - pdata = platform_get_drvdata(pdev); + pdata = mfd_get_data(pdev); if (!pdata) { dev_err(&pdev->dev, "no platform data supplied\n"); return -ENODEV; |