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powerpc: 52xx/gpio: use new line value setter callbacks

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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
This commit is contained in:
Bartosz Golaszewski
2025-05-02 10:59:50 +02:00
committed by Madhavan Srinivasan
parent 5effda1c36
commit c8fb184faa
1 changed files with 4 additions and 2 deletions
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6
arch/powerpc/platforms/52xx/mpc52xx_gpt.c
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@@ -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;