Merge remote-tracking branch 'mfd/for-mfd-next'

8 files changed, 35 insertions, 7 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 8c5dfdce4326..f461460a2aeb 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -102,6 +102,7 @@ config MFD_AAT2870_CORE
 config MFD_AT91_USART
 	tristate "AT91 USART Driver"
 	select MFD_CORE
+	depends on ARCH_AT91 || COMPILE_TEST
 	help
 	  Select this to get support for AT91 USART IP. This is a wrapper
 	  over at91-usart-serial driver and usart-spi-driver. Only one function
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 30d09d177171..11ab17f64c64 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -261,7 +261,7 @@ static int get_register_interruptible(struct ab8500 *ab8500, u8 bank,
 	mutex_unlock(&ab8500->lock);
 	dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret);
 
-	return ret;
+	return (ret < 0) ? ret : 0;
 }
 
 static int ab8500_get_register(struct device *dev, u8 bank,
diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c
index 503979c81dae..fab3cdc27ed6 100644
--- a/drivers/mfd/bd9571mwv.c
+++ b/drivers/mfd/bd9571mwv.c
@@ -59,6 +59,7 @@ static const struct regmap_access_table bd9571mwv_writable_table = {
 };
 
 static const struct regmap_range bd9571mwv_volatile_yes_ranges[] = {
+	regmap_reg_range(BD9571MWV_DVFS_MONIVDAC, BD9571MWV_DVFS_MONIVDAC),
 	regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),
 	regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INT),
 	regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTREQ),
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 5970b8def548..aec20e1c7d3d 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -2584,7 +2584,7 @@ static struct irq_chip prcmu_irq_chip = {
 	.irq_unmask	= prcmu_irq_unmask,
 };
 
-static __init char *fw_project_name(u32 project)
+static char *fw_project_name(u32 project)
 {
 	switch (project) {
 	case PRCMU_FW_PROJECT_U8500:
@@ -2732,7 +2732,7 @@ void __init db8500_prcmu_early_init(u32 phy_base, u32 size)
 	INIT_WORK(&mb0_transfer.mask_work, prcmu_mask_work);
 }
 
-static void __init init_prcm_registers(void)
+static void init_prcm_registers(void)
 {
 	u32 val;
 
diff --git a/drivers/mfd/madera-core.c b/drivers/mfd/madera-core.c
index 440030cecbbd..5b58a8aea902 100644
--- a/drivers/mfd/madera-core.c
+++ b/drivers/mfd/madera-core.c
@@ -15,6 +15,7 @@
 #include <linux/gpio.h>
 #include <linux/mfd/core.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/notifier.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
@@ -357,6 +358,8 @@ int madera_dev_init(struct madera *madera)
 
 	dev_set_drvdata(madera->dev, madera);
 	BLOCKING_INIT_NOTIFIER_HEAD(&madera->notifier);
+	mutex_init(&madera->dapm_ptr_lock);
+
 	madera_set_micbias_info(madera);
 
 	/*
diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 77b64bd64df3..ab24e176ef44 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -329,8 +329,7 @@ static int mt6397_probe(struct platform_device *pdev)
 
 	default:
 		dev_err(&pdev->dev, "unsupported chip: %d\n", id);
-		ret = -ENODEV;
-		break;
+		return -ENODEV;
 	}
 
 	if (ret) {
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index b89379782741..9c7925ca13cf 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -592,6 +592,29 @@ static int tps6586x_i2c_remove(struct i2c_client *client)
 	return 0;
 }
 
+static int __maybe_unused tps6586x_i2c_suspend(struct device *dev)
+{
+	struct tps6586x *tps6586x = dev_get_drvdata(dev);
+
+	if (tps6586x->client->irq)
+		disable_irq(tps6586x->client->irq);
+
+	return 0;
+}
+
+static int __maybe_unused tps6586x_i2c_resume(struct device *dev)
+{
+	struct tps6586x *tps6586x = dev_get_drvdata(dev);
+
+	if (tps6586x->client->irq)
+		enable_irq(tps6586x->client->irq);
+
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(tps6586x_pm_ops, tps6586x_i2c_suspend,
+			 tps6586x_i2c_resume);
+
 static const struct i2c_device_id tps6586x_id_table[] = {
 	{ "tps6586x", 0 },
 	{ },
@@ -602,6 +625,7 @@ static struct i2c_driver tps6586x_driver = {
 	.driver	= {
 		.name	= "tps6586x",
 		.of_match_table = of_match_ptr(tps6586x_of_match),
+		.pm	= &tps6586x_pm_ops,
 	},
 	.probe		= tps6586x_i2c_probe,
 	.remove		= tps6586x_i2c_remove,
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 4be3d239da9e..299016bc46d9 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -979,7 +979,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
  * letting it generate the right frequencies for USB, MADC, and
  * other purposes.
  */
-static inline int __init protect_pm_master(void)
+static inline int protect_pm_master(void)
 {
 	int e = 0;
 
@@ -988,7 +988,7 @@ static inline int __init protect_pm_master(void)
 	return e;
 }
 
-static inline int __init unprotect_pm_master(void)
+static inline int unprotect_pm_master(void)
 {
 	int e = 0;