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authorMark Brown <broonie@kernel.org>2016-02-09 18:20:39 +0000
committerMark Brown <broonie@kernel.org>2016-02-09 18:20:39 +0000
commitfcdcc79628a1919bde9acf239e364f65bab6327c (patch)
tree5499be387cf3028c90ac083b1cf866ebed7bf7e0 /drivers/gpio/gpio-palmas.c
parent7a8d44bc89e5cddcd5c0704a11a90484d36ba6ba (diff)
parenta0a90718f18264dc904d34a580f332006f5561e9 (diff)
Merge branch 'topic/acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-pxa2xx
Diffstat (limited to 'drivers/gpio/gpio-palmas.c')
-rw-r--r--drivers/gpio/gpio-palmas.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/gpio/gpio-palmas.c b/drivers/gpio/gpio-palmas.c
index 171a6389f9ce..fdfb3b1e0def 100644
--- a/drivers/gpio/gpio-palmas.c
+++ b/drivers/gpio/gpio-palmas.c
@@ -35,14 +35,9 @@ struct palmas_device_data {
int ngpio;
};
-static inline struct palmas_gpio *to_palmas_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct palmas_gpio, gpio_chip);
-}
-
static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
unsigned int val;
int ret;
@@ -54,7 +49,7 @@ static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset)
ret = palmas_read(palmas, PALMAS_GPIO_BASE, reg, &val);
if (ret < 0) {
- dev_err(gc->dev, "Reg 0x%02x read failed, %d\n", reg, ret);
+ dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret);
return ret;
}
@@ -65,7 +60,7 @@ static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset)
ret = palmas_read(palmas, PALMAS_GPIO_BASE, reg, &val);
if (ret < 0) {
- dev_err(gc->dev, "Reg 0x%02x read failed, %d\n", reg, ret);
+ dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret);
return ret;
}
return !!(val & BIT(offset));
@@ -74,7 +69,7 @@ static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset)
static void palmas_gpio_set(struct gpio_chip *gc, unsigned offset,
int value)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
int ret;
unsigned int reg;
@@ -90,13 +85,13 @@ static void palmas_gpio_set(struct gpio_chip *gc, unsigned offset,
ret = palmas_write(palmas, PALMAS_GPIO_BASE, reg, BIT(offset));
if (ret < 0)
- dev_err(gc->dev, "Reg 0x%02x write failed, %d\n", reg, ret);
+ dev_err(gc->parent, "Reg 0x%02x write failed, %d\n", reg, ret);
}
static int palmas_gpio_output(struct gpio_chip *gc, unsigned offset,
int value)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
int ret;
unsigned int reg;
@@ -111,13 +106,14 @@ static int palmas_gpio_output(struct gpio_chip *gc, unsigned offset,
ret = palmas_update_bits(palmas, PALMAS_GPIO_BASE, reg,
BIT(offset), BIT(offset));
if (ret < 0)
- dev_err(gc->dev, "Reg 0x%02x update failed, %d\n", reg, ret);
+ dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg,
+ ret);
return ret;
}
static int palmas_gpio_input(struct gpio_chip *gc, unsigned offset)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
int ret;
unsigned int reg;
@@ -128,13 +124,14 @@ static int palmas_gpio_input(struct gpio_chip *gc, unsigned offset)
ret = palmas_update_bits(palmas, PALMAS_GPIO_BASE, reg, BIT(offset), 0);
if (ret < 0)
- dev_err(gc->dev, "Reg 0x%02x update failed, %d\n", reg, ret);
+ dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg,
+ ret);
return ret;
}
static int palmas_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
return palmas_irq_get_virq(palmas, PALMAS_GPIO_0_IRQ + offset);
@@ -167,6 +164,8 @@ static int palmas_gpio_probe(struct platform_device *pdev)
const struct palmas_device_data *dev_data;
match = of_match_device(of_palmas_gpio_match, &pdev->dev);
+ if (!match)
+ return -ENODEV;
dev_data = match->data;
if (!dev_data)
dev_data = &palmas_dev_data;
@@ -186,7 +185,7 @@ static int palmas_gpio_probe(struct platform_device *pdev)
palmas_gpio->gpio_chip.to_irq = palmas_gpio_to_irq;
palmas_gpio->gpio_chip.set = palmas_gpio_set;
palmas_gpio->gpio_chip.get = palmas_gpio_get;
- palmas_gpio->gpio_chip.dev = &pdev->dev;
+ palmas_gpio->gpio_chip.parent = &pdev->dev;
#ifdef CONFIG_OF_GPIO
palmas_gpio->gpio_chip.of_node = pdev->dev.of_node;
#endif
@@ -196,7 +195,7 @@ static int palmas_gpio_probe(struct platform_device *pdev)
else
palmas_gpio->gpio_chip.base = -1;
- ret = gpiochip_add(&palmas_gpio->gpio_chip);
+ ret = gpiochip_add_data(&palmas_gpio->gpio_chip, palmas_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
return ret;