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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-05-02 10:59:50 +0200
committerMadhavan Srinivasan <maddy@linux.ibm.com>2025-05-04 09:04:38 +0530
commitc8fb184faaa0aefa3c1b1f8b3eba873c7ec4d840 (patch)
treedb44e12d2b131f186993ab076c79f91fa2d55dc0
parent5effda1c36f2338178c0582c0719cba58f24b0b3 (diff)
powerpc: 52xx/gpio: use new line value setter callbacks
struct gpio_chip now has callbacks for setting line values that return an integer, allowing to indicate failures. Convert the driver to using them. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20250502-gpiochip-set-rv-powerpc-v2-4-488e43e325bf@linaro.org
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_gpt.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index 1ea591ec6083..c96af6b0eab4 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -280,7 +280,7 @@ static int mpc52xx_gpt_gpio_get(struct gpio_chip *gc, unsigned int gpio)
return (in_be32(&gpt->regs->status) >> 8) & 1;
}
-static void
+static int
mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int v)
{
struct mpc52xx_gpt_priv *gpt = gpiochip_get_data(gc);
@@ -293,6 +293,8 @@ mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int v)
raw_spin_lock_irqsave(&gpt->lock, flags);
clrsetbits_be32(&gpt->regs->mode, MPC52xx_GPT_MODE_GPIO_MASK, r);
raw_spin_unlock_irqrestore(&gpt->lock, flags);
+
+ return 0;
}
static int mpc52xx_gpt_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
@@ -334,7 +336,7 @@ static void mpc52xx_gpt_gpio_setup(struct mpc52xx_gpt_priv *gpt)
gpt->gc.direction_input = mpc52xx_gpt_gpio_dir_in;
gpt->gc.direction_output = mpc52xx_gpt_gpio_dir_out;
gpt->gc.get = mpc52xx_gpt_gpio_get;
- gpt->gc.set = mpc52xx_gpt_gpio_set;
+ gpt->gc.set_rv = mpc52xx_gpt_gpio_set;
gpt->gc.base = -1;
gpt->gc.parent = gpt->dev;