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From:   Sasha Levin <sashal@kernel.org>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc:     Anson Huang <Anson.Huang@nxp.com>,
        =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sasha Levin <sashal@kernel.org>,
        linux-arm-kernel@lists.infradead.org
Subject: [PATCH AUTOSEL 5.9 131/147] soc: imx: gpcv2: Use dev_err_probe() to simplify error handling
Date:   Mon, 26 Oct 2020 19:48:49 -0400
Message-Id: <20201026234905.1022767-131-sashal@kernel.org>
In-Reply-To: <20201026234905.1022767-1-sashal@kernel.org>
References: <20201026234905.1022767-1-sashal@kernel.org>
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From: Anson Huang <Anson.Huang@nxp.com>

[ Upstream commit b663b798d04fb73f1ad4d54c46582d2fde7a76d6 ]

dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/imx/gpcv2.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index 6cf8a7a412bde..db7e7fc321b16 100644
--- a/drivers/soc/imx/gpcv2.c
+++ b/drivers/soc/imx/gpcv2.c
@@ -487,22 +487,17 @@ static int imx_pgc_domain_probe(struct platform_device *pdev)
 
 	domain->regulator = devm_regulator_get_optional(domain->dev, "power");
 	if (IS_ERR(domain->regulator)) {
-		if (PTR_ERR(domain->regulator) != -ENODEV) {
-			if (PTR_ERR(domain->regulator) != -EPROBE_DEFER)
-				dev_err(domain->dev, "Failed to get domain's regulator\n");
-			return PTR_ERR(domain->regulator);
-		}
+		if (PTR_ERR(domain->regulator) != -ENODEV)
+			return dev_err_probe(domain->dev, PTR_ERR(domain->regulator),
+					     "Failed to get domain's regulator\n");
 	} else if (domain->voltage) {
 		regulator_set_voltage(domain->regulator,
 				      domain->voltage, domain->voltage);
 	}
 
 	ret = imx_pgc_get_clocks(domain);
-	if (ret) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(domain->dev, "Failed to get domain's clocks\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(domain->dev, ret, "Failed to get domain's clocks\n");
 
 	ret = pm_genpd_init(&domain->genpd, NULL, true);
 	if (ret) {
-- 
2.25.1