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path: root/drivers/gpio/gpio-rcar.c
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Diffstat (limited to 'drivers/gpio/gpio-rcar.c')
-rw-r--r--drivers/gpio/gpio-rcar.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index 18c965ee02c8..cd31580effa9 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -331,14 +331,11 @@ static int gpio_rcar_get(struct gpio_chip *chip, unsigned offset)
static int gpio_rcar_get_multiple(struct gpio_chip *chip, unsigned long *mask,
unsigned long *bits)
{
+ u32 bankmask = mask[0] & GENMASK(chip->ngpio - 1, 0);
struct gpio_rcar_priv *p = gpiochip_get_data(chip);
- u32 bankmask, outputs, m, val = 0;
+ u32 outputs, m, val = 0;
unsigned long flags;
- bankmask = mask[0] & GENMASK(chip->ngpio - 1, 0);
- if (!bankmask)
- return 0;
-
if (p->info.has_always_in) {
bits[0] = gpio_rcar_read(p, INDT) & bankmask;
return 0;
@@ -359,7 +356,7 @@ static int gpio_rcar_get_multiple(struct gpio_chip *chip, unsigned long *mask,
return 0;
}
-static void gpio_rcar_set(struct gpio_chip *chip, unsigned offset, int value)
+static int gpio_rcar_set(struct gpio_chip *chip, unsigned int offset, int value)
{
struct gpio_rcar_priv *p = gpiochip_get_data(chip);
unsigned long flags;
@@ -367,18 +364,17 @@ static void gpio_rcar_set(struct gpio_chip *chip, unsigned offset, int value)
raw_spin_lock_irqsave(&p->lock, flags);
gpio_rcar_modify_bit(p, OUTDT, offset, value);
raw_spin_unlock_irqrestore(&p->lock, flags);
+
+ return 0;
}
-static void gpio_rcar_set_multiple(struct gpio_chip *chip, unsigned long *mask,
- unsigned long *bits)
+static int gpio_rcar_set_multiple(struct gpio_chip *chip, unsigned long *mask,
+ unsigned long *bits)
{
+ u32 bankmask = mask[0] & GENMASK(chip->ngpio - 1, 0);
struct gpio_rcar_priv *p = gpiochip_get_data(chip);
unsigned long flags;
- u32 val, bankmask;
-
- bankmask = mask[0] & GENMASK(chip->ngpio - 1, 0);
- if (!bankmask)
- return;
+ u32 val;
raw_spin_lock_irqsave(&p->lock, flags);
val = gpio_rcar_read(p, OUTDT);
@@ -386,6 +382,8 @@ static void gpio_rcar_set_multiple(struct gpio_chip *chip, unsigned long *mask,
val |= (bankmask & bits[0]);
gpio_rcar_write(p, OUTDT, val);
raw_spin_unlock_irqrestore(&p->lock, flags);
+
+ return 0;
}
static int gpio_rcar_direction_output(struct gpio_chip *chip, unsigned offset,
@@ -537,8 +535,8 @@ static int gpio_rcar_probe(struct platform_device *pdev)
gpio_chip->get = gpio_rcar_get;
gpio_chip->get_multiple = gpio_rcar_get_multiple;
gpio_chip->direction_output = gpio_rcar_direction_output;
- gpio_chip->set = gpio_rcar_set;
- gpio_chip->set_multiple = gpio_rcar_set_multiple;
+ gpio_chip->set_rv = gpio_rcar_set;
+ gpio_chip->set_multiple_rv = gpio_rcar_set_multiple;
gpio_chip->label = name;
gpio_chip->parent = dev;
gpio_chip->owner = THIS_MODULE;
@@ -594,7 +592,6 @@ static void gpio_rcar_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
}
-#ifdef CONFIG_PM_SLEEP
static int gpio_rcar_suspend(struct device *dev)
{
struct gpio_rcar_priv *p = dev_get_drvdata(dev);
@@ -653,16 +650,16 @@ static int gpio_rcar_resume(struct device *dev)
return 0;
}
-#endif /* CONFIG_PM_SLEEP*/
-static SIMPLE_DEV_PM_OPS(gpio_rcar_pm_ops, gpio_rcar_suspend, gpio_rcar_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(gpio_rcar_pm_ops, gpio_rcar_suspend,
+ gpio_rcar_resume);
static struct platform_driver gpio_rcar_device_driver = {
.probe = gpio_rcar_probe,
.remove = gpio_rcar_remove,
.driver = {
.name = "gpio_rcar",
- .pm = &gpio_rcar_pm_ops,
+ .pm = pm_sleep_ptr(&gpio_rcar_pm_ops),
.of_match_table = gpio_rcar_of_table,
}
};