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gpio: f7188: 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: Andreas Bofjall <andreas@gazonk.org>
Cc: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-06 10:51:13 +01:00
parent 6219e7bba9
commit f372d5f59c
1 changed files with 5 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpio/gpio-f7188x.c
View File

@ -193,8 +193,7 @@ static struct f7188x_gpio_bank f71889_gpio_bank[] = {
static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{ {
int err; int err;
struct f7188x_gpio_bank *bank = struct f7188x_gpio_bank *bank = gpiochip_get_data(chip);
container_of(chip, struct f7188x_gpio_bank, chip);
struct f7188x_sio *sio = bank->data->sio; struct f7188x_sio *sio = bank->data->sio;
u8 dir; u8 dir;
@ -215,8 +214,7 @@ static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
static int f7188x_gpio_get(struct gpio_chip *chip, unsigned offset) static int f7188x_gpio_get(struct gpio_chip *chip, unsigned offset)
{ {
int err; int err;
struct f7188x_gpio_bank *bank = struct f7188x_gpio_bank *bank = gpiochip_get_data(chip);
container_of(chip, struct f7188x_gpio_bank, chip);
struct f7188x_sio *sio = bank->data->sio; struct f7188x_sio *sio = bank->data->sio;
u8 dir, data; u8 dir, data;
@ -241,8 +239,7 @@ static int f7188x_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value) unsigned offset, int value)
{ {
int err; int err;
struct f7188x_gpio_bank *bank = struct f7188x_gpio_bank *bank = gpiochip_get_data(chip);
container_of(chip, struct f7188x_gpio_bank, chip);
struct f7188x_sio *sio = bank->data->sio; struct f7188x_sio *sio = bank->data->sio;
u8 dir, data_out; u8 dir, data_out;
@ -270,8 +267,7 @@ static int f7188x_gpio_direction_out(struct gpio_chip *chip,
static void f7188x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static void f7188x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{ {
int err; int err;
struct f7188x_gpio_bank *bank = struct f7188x_gpio_bank *bank = gpiochip_get_data(chip);
container_of(chip, struct f7188x_gpio_bank, chip);
struct f7188x_sio *sio = bank->data->sio; struct f7188x_sio *sio = bank->data->sio;
u8 data_out; u8 data_out;
@ -336,7 +332,7 @@ static int f7188x_gpio_probe(struct platform_device *pdev)
bank->chip.parent = &pdev->dev; bank->chip.parent = &pdev->dev;
bank->data = data; bank->data = data;
err = gpiochip_add(&bank->chip); err = gpiochip_add_data(&bank->chip, bank);
if (err) { if (err) {
dev_err(&pdev->dev, dev_err(&pdev->dev,
"Failed to register gpiochip %d: %d\n", "Failed to register gpiochip %d: %d\n",