linux-kernel - [PATCH 2/3] mfd: stmfx: Simplify with dev_err

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Message-Id: <20200826144935.10067-2-krzk@kernel.org>
Date:   Wed, 26 Aug 2020 16:49:34 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Lee Jones <lee.jones@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        alsa-devel@...a-project.org, patches@...nsource.cirrus.com,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 2/3] mfd: stmfx: Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/mfd/stmfx.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c
index 711979afd90a..5e680bfdf5c9 100644
--- a/drivers/mfd/stmfx.c
+++ b/drivers/mfd/stmfx.c
@@ -331,11 +331,9 @@ static int stmfx_chip_init(struct i2c_client *client)
 	ret = PTR_ERR_OR_ZERO(stmfx->vdd);
 	if (ret == -ENODEV) {
 		stmfx->vdd = NULL;
-	} else if (ret == -EPROBE_DEFER) {
-		return ret;
-	} else if (ret) {
-		dev_err(&client->dev, "Failed to get VDD regulator: %d\n", ret);
-		return ret;
+	} else {
+		return dev_err_probe(&client->dev, ret,
+				     "Failed to get VDD regulator\n");
 	}
 
 	if (stmfx->vdd) {
-- 
2.17.1