gpio: spear-spics: 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: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-spear-spics.c b/drivers/gpio/gpio-spear-spics.c
index bd436b7..50fb090 100644
--- a/drivers/gpio/gpio-spear-spics.c
+++ b/drivers/gpio/gpio-spear-spics.c
@@ -62,8 +62,7 @@
static void spics_set_value(struct gpio_chip *chip, unsigned offset, int value)
{
- struct spear_spics *spics = container_of(chip, struct spear_spics,
- chip);
+ struct spear_spics *spics = gpiochip_get_data(chip);
u32 tmp;
/* select chip select from register */
@@ -94,8 +93,7 @@
static int spics_request(struct gpio_chip *chip, unsigned offset)
{
- struct spear_spics *spics = container_of(chip, struct spear_spics,
- chip);
+ struct spear_spics *spics = gpiochip_get_data(chip);
u32 tmp;
if (!spics->use_count++) {
@@ -110,8 +108,7 @@
static void spics_free(struct gpio_chip *chip, unsigned offset)
{
- struct spear_spics *spics = container_of(chip, struct spear_spics,
- chip);
+ struct spear_spics *spics = gpiochip_get_data(chip);
u32 tmp;
if (!--spics->use_count) {
@@ -168,7 +165,7 @@
spics->chip.owner = THIS_MODULE;
spics->last_off = -1;
- ret = gpiochip_add(&spics->chip);
+ ret = gpiochip_add_data(&spics->chip, spics);
if (ret) {
dev_err(&pdev->dev, "unable to add gpio chip\n");
return ret;