From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/soc/renesas/pwc-rzv2m.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/soc/renesas/pwc-rzv2m.c b/drivers/soc/renesas/pwc-rzv2m.c
index 452cee8d68bee7d04e7acbee6bd90dab457c77c3..4dbcb3d4a90ccd2796e26d6250aa246b32b09285 100644
--- a/drivers/soc/renesas/pwc-rzv2m.c
+++ b/drivers/soc/renesas/pwc-rzv2m.c
@@ -24,8 +24,8 @@ struct rzv2m_pwc_priv {
 	DECLARE_BITMAP(ch_en_bits, 2);
 };
 
-static void rzv2m_pwc_gpio_set(struct gpio_chip *chip, unsigned int offset,
-			       int value)
+static int rzv2m_pwc_gpio_set(struct gpio_chip *chip, unsigned int offset,
+			      int value)
 {
 	struct rzv2m_pwc_priv *priv = gpiochip_get_data(chip);
 	u32 reg;
@@ -38,6 +38,8 @@ static void rzv2m_pwc_gpio_set(struct gpio_chip *chip, unsigned int offset,
 	writel(reg, priv->base + PWC_GPIO);
 
 	assign_bit(offset, priv->ch_en_bits, value);
+
+	return 0;
 }
 
 static int rzv2m_pwc_gpio_get(struct gpio_chip *chip, unsigned int offset)
@@ -62,7 +64,7 @@ static const struct gpio_chip rzv2m_pwc_gc = {
 	.label = "gpio_rzv2m_pwc",
 	.owner = THIS_MODULE,
 	.get = rzv2m_pwc_gpio_get,
-	.set = rzv2m_pwc_gpio_set,
+	.set_rv = rzv2m_pwc_gpio_set,
 	.direction_output = rzv2m_pwc_gpio_direction_output,
 	.can_sleep = false,
 	.ngpio = 2,

-- 
2.48.1

On Tue, 10 Jun 2025 at 14:38, Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> struct gpio_chip now has callbacks for setting line values that return
> an integer, allowing to indicate failures. Convert the driver to using
> them.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.17.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds