diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 10:19:29 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:08 +0100 |
| commit | 6aa7dbfa28775189c53f6ac7f1bc4adf76c9d2ec (patch) | |
| tree | ff3934c033ed6da9a72122e0c401df6cb68e813b /drivers/gpio/gpio-mm-lantiq.c | |
| parent | 47315578b9894140bef11e2b0fab55d2706e055c (diff) | |
gpio: mm-lantiq: 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: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: John Crispin <blogic@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mm-lantiq.c')
| -rw-r--r-- | drivers/gpio/gpio-mm-lantiq.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c index f67ef2283d64..a2071ed69f79 100644 --- a/drivers/gpio/gpio-mm-lantiq.c +++ b/drivers/gpio/gpio-mm-lantiq.c @@ -61,9 +61,7 @@ static void ltq_mm_apply(struct ltq_mm *chip) */ static void ltq_mm_set(struct gpio_chip *gc, unsigned offset, int value) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct ltq_mm *chip = - container_of(mm_gc, struct ltq_mm, mmchip); + struct ltq_mm *chip = gpiochip_get_data(gc); if (value) chip->shadow |= (1 << offset); @@ -93,8 +91,7 @@ static int ltq_mm_dir_out(struct gpio_chip *gc, unsigned offset, int value) */ static void ltq_mm_save_regs(struct of_mm_gpio_chip *mm_gc) { - struct ltq_mm *chip = - container_of(mm_gc, struct ltq_mm, mmchip); + struct ltq_mm *chip = gpiochip_get_data(&mm_gc->gc); /* tell the ebu controller which memory address we will be using */ ltq_ebu_w32(CPHYSADDR(chip->mmchip.regs) | 0x1, LTQ_EBU_ADDRSEL1); @@ -122,7 +119,7 @@ static int ltq_mm_probe(struct platform_device *pdev) if (!of_property_read_u32(pdev->dev.of_node, "lantiq,shadow", &shadow)) chip->shadow = shadow; - return of_mm_gpiochip_add(pdev->dev.of_node, &chip->mmchip); + return of_mm_gpiochip_add_data(pdev->dev.of_node, &chip->mmchip, chip); } static int ltq_mm_remove(struct platform_device *pdev) |