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pinctrl: st: use gpiochip data pointer

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This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-08 09:45:18 +01:00
parent 03bf81f1cb
commit 2e862a7bd6
1 changed files with 9 additions and 12 deletions
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21
drivers/pinctrl/pinctrl-st.c
View file

@ -203,9 +203,6 @@
#define gpio_range_to_bank(chip) \
container_of(chip, struct st_gpio_bank, range)
#define gpio_chip_to_bank(chip) \
container_of(chip, struct st_gpio_bank, gpio_chip)
#define pc_to_bank(pc) \
container_of(pc, struct st_gpio_bank, pc)
@ -744,14 +741,14 @@ static void st_gpio_direction(struct st_gpio_bank *bank,
static int st_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct st_gpio_bank *bank = gpio_chip_to_bank(chip);
struct st_gpio_bank *bank = gpiochip_get_data(chip);
return !!(readl(bank->base + REG_PIO_PIN) & BIT(offset));
}
static void st_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct st_gpio_bank *bank = gpio_chip_to_bank(chip);
struct st_gpio_bank *bank = gpiochip_get_data(chip);
__st_gpio_set(bank, offset, value);
}
@ -765,7 +762,7 @@ static int st_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
static int st_gpio_direction_output(struct gpio_chip *chip,
unsigned offset, int value)
{
struct st_gpio_bank *bank = gpio_chip_to_bank(chip);
struct st_gpio_bank *bank = gpiochip_get_data(chip);
__st_gpio_set(bank, offset, value);
pinctrl_gpio_direction_output(chip->base + offset);
@ -775,7 +772,7 @@ static int st_gpio_direction_output(struct gpio_chip *chip,
static int st_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
{
struct st_gpio_bank *bank = gpio_chip_to_bank(chip);
struct st_gpio_bank *bank = gpiochip_get_data(chip);
struct st_pio_control pc = bank->pc;
unsigned long config;
unsigned int direction = 0;
@ -1325,7 +1322,7 @@ static int st_pctl_parse_functions(struct device_node *np,
static void st_gpio_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct st_gpio_bank *bank = gpio_chip_to_bank(gc);
struct st_gpio_bank *bank = gpiochip_get_data(gc);
writel(BIT(d->hwirq), bank->base + REG_PIO_CLR_PMASK);
}
@ -1333,7 +1330,7 @@ static void st_gpio_irq_mask(struct irq_data *d)
static void st_gpio_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct st_gpio_bank *bank = gpio_chip_to_bank(gc);
struct st_gpio_bank *bank = gpiochip_get_data(gc);
writel(BIT(d->hwirq), bank->base + REG_PIO_SET_PMASK);
}
@ -1341,7 +1338,7 @@ static void st_gpio_irq_unmask(struct irq_data *d)
static int st_gpio_irq_set_type(struct irq_data *d, unsigned type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct st_gpio_bank *bank = gpio_chip_to_bank(gc);
struct st_gpio_bank *bank = gpiochip_get_data(gc);
unsigned long flags;
int comp, pin = d->hwirq;
u32 val;
@ -1455,7 +1452,7 @@ static void st_gpio_irq_handler(struct irq_desc *desc)
/* interrupt dedicated per bank */
struct irq_chip *chip = irq_desc_get_chip(desc);
struct gpio_chip *gc = irq_desc_get_handler_data(desc);
struct st_gpio_bank *bank = gpio_chip_to_bank(gc);
struct st_gpio_bank *bank = gpiochip_get_data(gc);
chained_irq_enter(chip, desc);
__gpio_irq_handler(bank);
@ -1532,7 +1529,7 @@ static int st_gpiolib_register_bank(struct st_pinctrl *info,
range->pin_base = range->base = range->id * ST_GPIO_PINS_PER_BANK;
range->npins = bank->gpio_chip.ngpio;
range->gc = &bank->gpio_chip;
err = gpiochip_add(&bank->gpio_chip);
err = gpiochip_add_data(&bank->gpio_chip, bank);
if (err) {
dev_err(dev, "Failed to add gpiochip(%d)!\n", bank_num);
return err;