linux-kernel - [PATCH] pinctrl: sunxi: do not print error message for EPROBE

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Date:   Thu, 17 Feb 2022 13:17:37 +0000
From:   Mans Rullgard <mans@...sr.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] pinctrl: sunxi: do not print error message for EPROBE_DEFER

Avoid printing an error message if getting a regulator fails with
EPROBE_DEFER.  This can happen if, for example, a regulator supplying
one of the main banks is controlled by a PL pin.

Signed-off-by: Mans Rullgard <mans@...sr.com>
---
 drivers/pinctrl/sunxi/pinctrl-sunxi.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index e42a3a0005a7..534c42ee0718 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -777,11 +777,10 @@ static int sunxi_pmx_request(struct pinctrl_dev *pctldev, unsigned offset)
 
 	snprintf(supply, sizeof(supply), "vcc-p%c", 'a' + bank);
 	reg = regulator_get(pctl->dev, supply);
-	if (IS_ERR(reg)) {
-		dev_err(pctl->dev, "Couldn't get bank P%c regulator\n",
-			'A' + bank);
-		return PTR_ERR(reg);
-	}
+	if (IS_ERR(reg))
+		return dev_err_probe(pctl->dev, PTR_ERR(reg),
+				     "Couldn't get bank P%c regulator\n",
+				     'A' + bank);
 
 	ret = regulator_enable(reg);
 	if (ret) {
-- 
2.35.1