linux-kernel - [PATCH 2/3] pinctrl: ma35: Use int type to store negative error codes

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Message-Id: <20250831084958.431913-3-rongqianfeng@vivo.com>
Date: Sun, 31 Aug 2025 16:49:57 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Jacky Huang <ychuang3@...oton.com>,
	Shan-Chun Hung <schung@...oton.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/NUVOTON MA35 ARCHITECTURE),
	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 2/3] pinctrl: ma35: Use int type to store negative error codes

Change the 'ret' variable in ma35_pinctrl_parse_functions() from u32 to
int, as it needs to store either negative error codes or zero returned
by ma35_pinctrl_parse_groups().

No effect on runtime.

Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
---
 drivers/pinctrl/nuvoton/pinctrl-ma35.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/nuvoton/pinctrl-ma35.c b/drivers/pinctrl/nuvoton/pinctrl-ma35.c
index 54652bfbe6ac..cdad01d68a37 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-ma35.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-ma35.c
@@ -1038,7 +1038,8 @@ static int ma35_pinctrl_parse_functions(struct fwnode_handle *fwnode, struct ma3
 	struct group_desc *grp;
 	static u32 grp_index;
 	const char **groups;
-	u32 ret, i = 0;
+	u32 i = 0;
+	int ret;
 
 	dev_dbg(npctl->dev, "parse function(%d): %s\n", index, np->name);
 
-- 
2.34.1