diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-08 16:49:42 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-03-30 11:50:47 +0300 |
| commit | e99190cea39022690193938ff3e80d2faa98f389 (patch) | |
| tree | 66a9913082a2589ef46627fa7a1d6ef07e5a7e53 /arch | |
| parent | ca27379f5d2956e08558fbfc0d35b3ba64abbe0c (diff) | |
| download | linux-e99190cea39022690193938ff3e80d2faa98f389.tar.xz | |
powerpc: mpc52xx_gpt: 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: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index 3048e34db6d8..22645a7c6b8a 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -278,14 +278,9 @@ mpc52xx_gpt_irq_setup(struct mpc52xx_gpt_priv *gpt, struct device_node *node) * GPIOLIB hooks */ #if defined(CONFIG_GPIOLIB) -static inline struct mpc52xx_gpt_priv *gc_to_mpc52xx_gpt(struct gpio_chip *gc) -{ - return container_of(gc, struct mpc52xx_gpt_priv, gc); -} - static int mpc52xx_gpt_gpio_get(struct gpio_chip *gc, unsigned int gpio) { - struct mpc52xx_gpt_priv *gpt = gc_to_mpc52xx_gpt(gc); + struct mpc52xx_gpt_priv *gpt = gpiochip_get_data(gc); return (in_be32(&gpt->regs->status) >> 8) & 1; } @@ -293,7 +288,7 @@ static int mpc52xx_gpt_gpio_get(struct gpio_chip *gc, unsigned int gpio) static void mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int v) { - struct mpc52xx_gpt_priv *gpt = gc_to_mpc52xx_gpt(gc); + struct mpc52xx_gpt_priv *gpt = gpiochip_get_data(gc); unsigned long flags; u32 r; @@ -307,7 +302,7 @@ mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int v) static int mpc52xx_gpt_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { - struct mpc52xx_gpt_priv *gpt = gc_to_mpc52xx_gpt(gc); + struct mpc52xx_gpt_priv *gpt = gpiochip_get_data(gc); unsigned long flags; dev_dbg(gpt->dev, "%s: gpio:%d\n", __func__, gpio); @@ -354,9 +349,9 @@ mpc52xx_gpt_gpio_setup(struct mpc52xx_gpt_priv *gpt, struct device_node *node) clrsetbits_be32(&gpt->regs->mode, MPC52xx_GPT_MODE_MS_MASK, MPC52xx_GPT_MODE_MS_GPIO); - rc = gpiochip_add(&gpt->gc); + rc = gpiochip_add_data(&gpt->gc, gpt); if (rc) - dev_err(gpt->dev, "gpiochip_add() failed; rc=%i\n", rc); + dev_err(gpt->dev, "gpiochip_add_data() failed; rc=%i\n", rc); dev_dbg(gpt->dev, "%s() complete.\n", __func__); } |