linux-kernel - [PATCH] fpga: xilinx-pr-decoupler: Simplify code by using dev_err

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Message-Id: <666708105c25ae5fa7bb23b5eabd7d12fe9cb1b3.1612445770.git.michal.simek@xilinx.com>
Date:   Thu,  4 Feb 2021 14:36:11 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com
Cc:     Moritz Fischer <mdf@...nel.org>, Tom Rix <trix@...hat.com>,
        linux-arm-kernel@...ts.infradead.org, linux-fpga@...r.kernel.org
Subject: [PATCH] fpga: xilinx-pr-decoupler: Simplify code by using dev_err_probe()

Use already prepared dev_err_probe() introduced by commit a787e5400a1c
("driver core: add device probe log helper").
It simplifies EPROBE_DEFER handling.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 drivers/fpga/xilinx-pr-decoupler.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/fpga/xilinx-pr-decoupler.c b/drivers/fpga/xilinx-pr-decoupler.c
index 7d69af230567..b0eaf26af6e7 100644
--- a/drivers/fpga/xilinx-pr-decoupler.c
+++ b/drivers/fpga/xilinx-pr-decoupler.c
@@ -100,11 +100,9 @@ static int xlnx_pr_decoupler_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->io_base);
 
 	priv->clk = devm_clk_get(&pdev->dev, "aclk");
-	if (IS_ERR(priv->clk)) {
-		if (PTR_ERR(priv->clk) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "input clock not found\n");
-		return PTR_ERR(priv->clk);
-	}
+	if (IS_ERR(priv->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(priv->clk),
+				     "input clock not found\n");
 
 	err = clk_prepare_enable(priv->clk);
 	if (err) {
-- 
2.30.0