linux-kernel - [PATCH] hwmon: (pmbus) Use dev_err_probe() to filter -EPROBE

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Message-Id: <3adf1cea6e32e54c0f71f4604b4e98d992beaa71.1660741419.git.christophe.jaillet@wanadoo.fr>
Date:   Wed, 17 Aug 2022 15:04:00 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-hwmon@...r.kernel.org
Subject: [PATCH] hwmon: (pmbus) Use dev_err_probe() to filter -EPROBE_DEFER error messages

devm_regulator_register() can return -EPROBE_DEFER, so better use
dev_err_probe() instead of dev_err(), it is less verbose in such a case.

It is also more informative, which can't hurt.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/hwmon/pmbus/pmbus_core.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 5541d26e8623..e000674d50df 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -3016,11 +3016,10 @@ static int pmbus_regulator_register(struct pmbus_data *data)
 
 		rdev = devm_regulator_register(dev, &info->reg_desc[i],
 					       &config);
-		if (IS_ERR(rdev)) {
-			dev_err(dev, "Failed to register %s regulator\n",
-				info->reg_desc[i].name);
-			return PTR_ERR(rdev);
-		}
+		if (IS_ERR(rdev))
+			return dev_err_probe(dev, PTR_ERR(rdev),
+					     "Failed to register %s regulator\n",
+					     info->reg_desc[i].name);
 	}
 
 	return 0;
-- 
2.34.1