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gpio: rcar: reference device instead of platform device

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The change simplifies dereferences to the mediated struct device, also
it allows to limit the scope of the platform device usage to probe and
remove functions only.

Non-functional change.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Vladimir Zapolskiy 2018-11-22 22:19:41 +02:00 committed by Linus Walleij
parent 81c85ec15a
commit a53f79534f
1 changed files with 11 additions and 13 deletions
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24
drivers/gpio/gpio-rcar.c
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@ -35,7 +35,7 @@ struct gpio_rcar_bank_info {
struct gpio_rcar_priv {
void __iomem *base;
spinlock_t lock;
struct platform_device *pdev;
struct device *dev;
struct gpio_chip gpio_chip;
struct irq_chip irq_chip;
unsigned int irq_parent;
@ -140,7 +140,7 @@ static int gpio_rcar_irq_set_type(struct irq_data *d, unsigned int type)
struct gpio_rcar_priv *p = gpiochip_get_data(gc);
unsigned int hwirq = irqd_to_hwirq(d);
dev_dbg(&p->pdev->dev, "sense irq = %d, type = %d\n", hwirq, type);
dev_dbg(p->dev, "sense irq = %d, type = %d\n", hwirq, type);
switch (type & IRQ_TYPE_SENSE_MASK) {
case IRQ_TYPE_LEVEL_HIGH:
@ -180,8 +180,7 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on)
if (p->irq_parent) {
error = irq_set_irq_wake(p->irq_parent, on);
if (error) {
dev_dbg(&p->pdev->dev,
"irq %u doesn't support irq_set_wake\n",
dev_dbg(p->dev, "irq %u doesn't support irq_set_wake\n",
p->irq_parent);
p->irq_parent = 0;
}
@ -244,13 +243,13 @@ static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset)
struct gpio_rcar_priv *p = gpiochip_get_data(chip);
int error;
error = pm_runtime_get_sync(&p->pdev->dev);
error = pm_runtime_get_sync(p->dev);
if (error < 0)
return error;
error = pinctrl_gpio_request(chip->base + offset);
if (error)
pm_runtime_put(&p->pdev->dev);
pm_runtime_put(p->dev);
return error;
}
@ -267,7 +266,7 @@ static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset)
*/
gpio_rcar_config_general_input_output_mode(chip, offset, false);
pm_runtime_put(&p->pdev->dev);
pm_runtime_put(p->dev);
}
static int gpio_rcar_get_direction(struct gpio_chip *chip, unsigned int offset)
@ -398,21 +397,20 @@ MODULE_DEVICE_TABLE(of, gpio_rcar_of_table);
static int gpio_rcar_parse_dt(struct gpio_rcar_priv *p, unsigned int *npins)
{
struct device_node *np = p->pdev->dev.of_node;
struct device_node *np = p->dev->of_node;
const struct gpio_rcar_info *info;
struct of_phandle_args args;
int ret;
info = of_device_get_match_data(&p->pdev->dev);
info = of_device_get_match_data(p->dev);
ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args);
*npins = ret == 0 ? args.args[2] : RCAR_MAX_GPIO_PER_BANK;
p->has_both_edge_trigger = info->has_both_edge_trigger;
if (*npins == 0 || *npins > RCAR_MAX_GPIO_PER_BANK) {
dev_warn(&p->pdev->dev,
"Invalid number of gpio lines %u, using %u\n", *npins,
RCAR_MAX_GPIO_PER_BANK);
dev_warn(p->dev, "Invalid number of gpio lines %u, using %u\n",
*npins, RCAR_MAX_GPIO_PER_BANK);
*npins = RCAR_MAX_GPIO_PER_BANK;
}
@ -434,7 +432,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
if (!p)
return -ENOMEM;
p->pdev = pdev;
p->dev = dev;
spin_lock_init(&p->lock);
/* Get device configuration from DT node */