gpio: zynq: 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: Michal Simek <michal.simek@xilinx.com>
Cc: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index ba11507..66d3d24 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -131,11 +131,6 @@
static struct irq_chip zynq_gpio_level_irqchip;
static struct irq_chip zynq_gpio_edge_irqchip;
-static struct zynq_gpio *to_zynq_gpio(struct gpio_chip *gc)
-{
- return container_of(gc, struct zynq_gpio, chip);
-}
-
/**
* zynq_gpio_get_bank_pin - Get the bank number and pin number within that bank
* for a given pin in the GPIO device
@@ -183,7 +178,7 @@
{
u32 data;
unsigned int bank_num, bank_pin_num;
- struct zynq_gpio *gpio = to_zynq_gpio(chip);
+ struct zynq_gpio *gpio = gpiochip_get_data(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -207,7 +202,7 @@
int state)
{
unsigned int reg_offset, bank_num, bank_pin_num;
- struct zynq_gpio *gpio = to_zynq_gpio(chip);
+ struct zynq_gpio *gpio = gpiochip_get_data(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -244,7 +239,7 @@
{
u32 reg;
unsigned int bank_num, bank_pin_num;
- struct zynq_gpio *gpio = to_zynq_gpio(chip);
+ struct zynq_gpio *gpio = gpiochip_get_data(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -277,7 +272,7 @@
{
u32 reg;
unsigned int bank_num, bank_pin_num;
- struct zynq_gpio *gpio = to_zynq_gpio(chip);
+ struct zynq_gpio *gpio = gpiochip_get_data(chip);
zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
@@ -308,7 +303,7 @@
{
unsigned int device_pin_num, bank_num, bank_pin_num;
struct zynq_gpio *gpio =
- to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
+ gpiochip_get_data(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -329,7 +324,7 @@
{
unsigned int device_pin_num, bank_num, bank_pin_num;
struct zynq_gpio *gpio =
- to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
+ gpiochip_get_data(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -349,7 +344,7 @@
{
unsigned int device_pin_num, bank_num, bank_pin_num;
struct zynq_gpio *gpio =
- to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
+ gpiochip_get_data(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -400,7 +395,7 @@
u32 int_type, int_pol, int_any;
unsigned int device_pin_num, bank_num, bank_pin_num;
struct zynq_gpio *gpio =
- to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
+ gpiochip_get_data(irq_data_get_irq_chip_data(irq_data));
device_pin_num = irq_data->hwirq;
zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -464,7 +459,7 @@
static int zynq_gpio_set_wake(struct irq_data *data, unsigned int on)
{
struct zynq_gpio *gpio =
- to_zynq_gpio(irq_data_get_irq_chip_data(data));
+ gpiochip_get_data(irq_data_get_irq_chip_data(data));
irq_set_irq_wake(gpio->irq, on);
@@ -530,7 +525,7 @@
u32 int_sts, int_enb;
unsigned int bank_num;
struct zynq_gpio *gpio =
- to_zynq_gpio(irq_desc_get_handler_data(desc));
+ gpiochip_get_data(irq_desc_get_handler_data(desc));
struct irq_chip *irqchip = irq_desc_get_chip(desc);
chained_irq_enter(irqchip, desc);
@@ -721,7 +716,7 @@
return ret;
/* report a bug if gpio chip registration fails */
- ret = gpiochip_add(chip);
+ ret = gpiochip_add_data(chip, gpio);
if (ret) {
dev_err(&pdev->dev, "Failed to add gpio chip\n");
goto err_pm_put;