linux-kernel - [PATCH 3/3] pinctrl: renesas: Use int type to store negative error codes

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Message-Id: <20250831084958.431913-4-rongqianfeng@vivo.com>
Date: Sun, 31 Aug 2025 16:49:58 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-renesas-soc@...r.kernel.org (open list:PIN CONTROLLER - RENESAS),
	linux-gpio@...r.kernel.org (open list:PIN CONTROL SUBSYSTEM),
	linux-kernel@...r.kernel.org (open list)
Cc: Qianfeng Rong <rongqianfeng@...o.com>
Subject: [PATCH 3/3] pinctrl: renesas: Use int type to store negative error codes

Change the 'ret' variable in ma35_pinctrl_parse_functions() from unsigned
int to int, as it needs to store either negative error codes or zero
returned by sh_pfc_pinconf_set().

No effect on runtime.

Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
---
 drivers/pinctrl/renesas/pinctrl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/renesas/pinctrl.c b/drivers/pinctrl/renesas/pinctrl.c
index 29d16c9c1bd1..3a742f74ecd1 100644
--- a/drivers/pinctrl/renesas/pinctrl.c
+++ b/drivers/pinctrl/renesas/pinctrl.c
@@ -726,7 +726,8 @@ static int sh_pfc_pinconf_group_set(struct pinctrl_dev *pctldev, unsigned group,
 	struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
 	const unsigned int *pins;
 	unsigned int num_pins;
-	unsigned int i, ret;
+	unsigned int i;
+	int ret;
 
 	pins = pmx->pfc->info->groups[group].pins;
 	num_pins = pmx->pfc->info->groups[group].nr_pins;
-- 
2.34.1