linux-kernel - [PATCH v2 3/7] pinctrl: armada-37xx: propagate error from armada_37xx_gpio_direction

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Message-Id: <20250514-pinctrl-a37xx-fixes-v2-3-07e9ac1ab737@gmail.com>
Date: Wed, 14 May 2025 21:18:34 +0200
From: Gabor Juhos <j4g8y7@...il.com>
To: Andrew Lunn <andrew@...n.ch>, 
 Gregory Clement <gregory.clement@...tlin.com>, 
 Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>
Cc: Imre Kaloz <kaloz@...nwrt.org>, linux-arm-kernel@...ts.infradead.org, 
 linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Gabor Juhos <j4g8y7@...il.com>
Subject: [PATCH v2 3/7] pinctrl: armada-37xx: propagate error from
 armada_37xx_gpio_direction_output()

The regmap_update_bits() function can fail, so propagate its error
up to the stack instead of silently ignoring that.

Signed-off-by: Imre Kaloz <kaloz@...nwrt.org>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Gabor Juhos <j4g8y7@...il.com>
---
Changes in v2:
  - swap with patch 2 from v1
  - remove 'stable' and 'Fixes' tags
  - add 'Reviewed-by' tag from Andrew
  - reorder 'Signed-off-by' tags (result of 'b4 trailers -u')
---
 drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 79f9c08e5039c31acb170d4f38b516b1454fd9ea..8d93d36af63ab9496376219454214c05db30971f 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -432,9 +432,7 @@ static int armada_37xx_gpio_direction_output(struct gpio_chip *chip,
 	reg = OUTPUT_EN;
 	armada_37xx_update_reg(&reg, &en_offset);
 
-	regmap_update_bits(info->regmap, reg, mask, mask);
-
-	return 0;
+	return regmap_update_bits(info->regmap, reg, mask, mask);
 }
 
 static int armada_37xx_gpio_get(struct gpio_chip *chip, unsigned int offset)

-- 
2.49.0