linux-kernel - [PATCH -next 2/2] spi: zynqmp-gqspi: Simplify with dev_err

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Message-ID: <20240826121421.3384792-3-ruanjinjie@huawei.com>
Date: Mon, 26 Aug 2024 20:14:21 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <broonie@...nel.org>, <michal.simek@....com>, <linux-spi@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH -next 2/2] spi: zynqmp-gqspi: Simplify with dev_err_probe()

Use the dev_err_probe() helper to simplify error handling during probe.
This also handle scenario, when EDEFER is returned and useless error
is printed.

Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
---
 drivers/spi/spi-zynqmp-gqspi.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index 597fcc7fce82..fcd0ca996684 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -1260,22 +1260,18 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
 		return PTR_ERR(xqspi->regs);
 
 	xqspi->pclk = devm_clk_get(&pdev->dev, "pclk");
-	if (IS_ERR(xqspi->pclk)) {
-		dev_err(dev, "pclk clock not found.\n");
-		return PTR_ERR(xqspi->pclk);
-	}
+	if (IS_ERR(xqspi->pclk))
+		return dev_err_probe(dev, PTR_ERR(xqspi->pclk),
+				     "pclk clock not found.\n");
 
 	xqspi->refclk = devm_clk_get(&pdev->dev, "ref_clk");
-	if (IS_ERR(xqspi->refclk)) {
-		dev_err(dev, "ref_clk clock not found.\n");
-		return PTR_ERR(xqspi->refclk);
-	}
+	if (IS_ERR(xqspi->refclk))
+		return dev_err_probe(dev, PTR_ERR(xqspi->refclk),
+				     "ref_clk clock not found.\n");
 
 	ret = clk_prepare_enable(xqspi->pclk);
-	if (ret) {
-		dev_err(dev, "Unable to enable APB clock.\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Unable to enable APB clock.\n");
 
 	ret = clk_prepare_enable(xqspi->refclk);
 	if (ret) {
-- 
2.34.1