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powerpc: sysdev/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-v2-1-488e43e325bf@linaro.org
This commit is contained in:
Bartosz Golaszewski 2025-05-02 10:59:47 +02:00 committed by Madhavan Srinivasan
parent 03c9d1a5a3
commit 54ac723320
1 changed files with 4 additions and 2 deletions
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6
arch/powerpc/sysdev/cpm_common.c
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@ -138,7 +138,7 @@ static void __cpm2_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask,
out_be32(&iop->dat, cpm2_gc->cpdata);
}
static void cpm2_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
static int cpm2_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
{
struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
struct cpm2_gpio32_chip *cpm2_gc = gpiochip_get_data(gc);
@ -150,6 +150,8 @@ static void cpm2_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
__cpm2_gpio32_set(mm_gc, pin_mask, value);
spin_unlock_irqrestore(&cpm2_gc->lock, flags);
return 0;
}
static int cpm2_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
@ -208,7 +210,7 @@ int cpm2_gpiochip_add32(struct device *dev)
gc->direction_input = cpm2_gpio32_dir_in;
gc->direction_output = cpm2_gpio32_dir_out;
gc->get = cpm2_gpio32_get;
gc->set = cpm2_gpio32_set;
gc->set_rv = cpm2_gpio32_set;
gc->parent = dev;
gc->owner = THIS_MODULE;