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authorLinus Walleij <linus.walleij@linaro.org>2015-12-08 14:49:42 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-03-30 10:50:47 +0200
commite99190cea39022690193938ff3e80d2faa98f389 (patch)
tree66a9913082a2589ef46627fa7a1d6ef07e5a7e53 /arch/powerpc/platforms/52xx/mpc52xx_gpt.c
parentgpio: amdpt: Add a new ACPI HID (diff)
downloadlinux-dev-e99190cea39022690193938ff3e80d2faa98f389.tar.xz
linux-dev-e99190cea39022690193938ff3e80d2faa98f389.zip
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 '')
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_gpt.c15
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__);
}