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pinctrl: spear-plgpio: use gpiochip data pointer 

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: spear-devel@list.st.com
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-08 10:31:35 +01:00
Родитель 192d3507e2
Коммит cff4c7efbc
1 изменённых файлов: 11 добавлений и 11 удалений
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22
drivers/pinctrl/spear/pinctrl-plgpio.c
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@ -107,7 +107,7 @@ static inline void plgpio_reg_reset(void __iomem *base, u32 pin, u32 reg)
/* gpio framework specific routines */ /* gpio framework specific routines */
static int plgpio_direction_input(struct gpio_chip *chip, unsigned offset) static int plgpio_direction_input(struct gpio_chip *chip, unsigned offset)
{ {
struct plgpio *plgpio = container_of(chip, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(chip);
unsigned long flags; unsigned long flags;
/* get correct offset for "offset" pin */ /* get correct offset for "offset" pin */
@ -127,7 +127,7 @@ static int plgpio_direction_input(struct gpio_chip *chip, unsigned offset)
static int plgpio_direction_output(struct gpio_chip *chip, unsigned offset, static int plgpio_direction_output(struct gpio_chip *chip, unsigned offset,
int value) int value)
{ {
struct plgpio *plgpio = container_of(chip, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(chip);
unsigned long flags; unsigned long flags;
unsigned dir_offset = offset, wdata_offset = offset, tmp; unsigned dir_offset = offset, wdata_offset = offset, tmp;
@ -159,7 +159,7 @@ static int plgpio_direction_output(struct gpio_chip *chip, unsigned offset,
static int plgpio_get_value(struct gpio_chip *chip, unsigned offset) static int plgpio_get_value(struct gpio_chip *chip, unsigned offset)
{ {
struct plgpio *plgpio = container_of(chip, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(chip);
if (offset >= chip->ngpio) if (offset >= chip->ngpio)
return -EINVAL; return -EINVAL;
@ -176,7 +176,7 @@ static int plgpio_get_value(struct gpio_chip *chip, unsigned offset)
static void plgpio_set_value(struct gpio_chip *chip, unsigned offset, int value) static void plgpio_set_value(struct gpio_chip *chip, unsigned offset, int value)
{ {
struct plgpio *plgpio = container_of(chip, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(chip);
if (offset >= chip->ngpio) if (offset >= chip->ngpio)
return; return;
@ -196,7 +196,7 @@ static void plgpio_set_value(struct gpio_chip *chip, unsigned offset, int value)
static int plgpio_request(struct gpio_chip *chip, unsigned offset) static int plgpio_request(struct gpio_chip *chip, unsigned offset)
{ {
struct plgpio *plgpio = container_of(chip, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(chip);
int gpio = chip->base + offset; int gpio = chip->base + offset;
unsigned long flags; unsigned long flags;
int ret = 0; int ret = 0;
@ -248,7 +248,7 @@ err0:
static void plgpio_free(struct gpio_chip *chip, unsigned offset) static void plgpio_free(struct gpio_chip *chip, unsigned offset)
{ {
struct plgpio *plgpio = container_of(chip, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(chip);
int gpio = chip->base + offset; int gpio = chip->base + offset;
unsigned long flags; unsigned long flags;
@ -280,7 +280,7 @@ disable_clk:
static void plgpio_irq_disable(struct irq_data *d) static void plgpio_irq_disable(struct irq_data *d)
{ {
struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct plgpio *plgpio = container_of(gc, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(gc);
int offset = d->hwirq; int offset = d->hwirq;
unsigned long flags; unsigned long flags;
@ -299,7 +299,7 @@ static void plgpio_irq_disable(struct irq_data *d)
static void plgpio_irq_enable(struct irq_data *d) static void plgpio_irq_enable(struct irq_data *d)
{ {
struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct plgpio *plgpio = container_of(gc, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(gc);
int offset = d->hwirq; int offset = d->hwirq;
unsigned long flags; unsigned long flags;
@ -318,7 +318,7 @@ static void plgpio_irq_enable(struct irq_data *d)
static int plgpio_irq_set_type(struct irq_data *d, unsigned trigger) static int plgpio_irq_set_type(struct irq_data *d, unsigned trigger)
{ {
struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct plgpio *plgpio = container_of(gc, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(gc);
int offset = d->hwirq; int offset = d->hwirq;
void __iomem *reg_off; void __iomem *reg_off;
unsigned int supported_type = 0, val; unsigned int supported_type = 0, val;
@ -359,7 +359,7 @@ static struct irq_chip plgpio_irqchip = {
static void plgpio_irq_handler(struct irq_desc *desc) static void plgpio_irq_handler(struct irq_desc *desc)
{ {
struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc);
struct plgpio *plgpio = container_of(gc, struct plgpio, chip); struct plgpio *plgpio = gpiochip_get_data(gc);
struct irq_chip *irqchip = irq_desc_get_chip(desc); struct irq_chip *irqchip = irq_desc_get_chip(desc);
int regs_count, count, pin, offset, i = 0; int regs_count, count, pin, offset, i = 0;
unsigned long pending; unsigned long pending;
@ -573,7 +573,7 @@ static int plgpio_probe(struct platform_device *pdev)
} }
} }
ret = gpiochip_add(&plgpio->chip); ret = gpiochip_add_data(&plgpio->chip, plgpio);
if (ret) { if (ret) {
dev_err(&pdev->dev, "unable to add gpio chip\n"); dev_err(&pdev->dev, "unable to add gpio chip\n");
goto unprepare_clk; goto unprepare_clk;