avr32: gpio: 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: Haavard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index aa74491..5020057 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -203,7 +203,7 @@
static int direction_input(struct gpio_chip *chip, unsigned offset)
{
- struct pio_device *pio = container_of(chip, struct pio_device, chip);
+ struct pio_device *pio = gpiochip_get_data(chip);
u32 mask = 1 << offset;
if (!(pio_readl(pio, PSR) & mask))
@@ -215,7 +215,7 @@
static int gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct pio_device *pio = container_of(chip, struct pio_device, chip);
+ struct pio_device *pio = gpiochip_get_data(chip);
return (pio_readl(pio, PDSR) >> offset) & 1;
}
@@ -224,7 +224,7 @@
static int direction_output(struct gpio_chip *chip, unsigned offset, int value)
{
- struct pio_device *pio = container_of(chip, struct pio_device, chip);
+ struct pio_device *pio = gpiochip_get_data(chip);
u32 mask = 1 << offset;
if (!(pio_readl(pio, PSR) & mask))
@@ -237,7 +237,7 @@
static void gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct pio_device *pio = container_of(chip, struct pio_device, chip);
+ struct pio_device *pio = gpiochip_get_data(chip);
u32 mask = 1 << offset;
if (value)
@@ -335,7 +335,7 @@
*/
static void pio_bank_show(struct seq_file *s, struct gpio_chip *chip)
{
- struct pio_device *pio = container_of(chip, struct pio_device, chip);
+ struct pio_device *pio = gpiochip_get_data(chip);
u32 psr, osr, imr, pdsr, pusr, ifsr, mdsr;
unsigned i;
u32 mask;
@@ -406,7 +406,7 @@
pio->chip.set = gpio_set;
pio->chip.dbg_show = pio_bank_show;
- gpiochip_add(&pio->chip);
+ gpiochip_add_data(&pio->chip, pio);
gpio_irq_setup(pio, irq, gpio_irq_base);
