linux-kernel - [PATCH -next 2/2] spi: wpcm-fiu: Simplify with dev_err

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Message-ID: <20240826132544.3463616-3-ruanjinjie@huawei.com>
Date: Mon, 26 Aug 2024 21:25:44 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <j.neuschaefer@....net>, <broonie@...nel.org>, <openbmc@...ts.ozlabs.org>,
	<linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH -next 2/2] spi: wpcm-fiu: 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-wpcm-fiu.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/spi-wpcm-fiu.c b/drivers/spi/spi-wpcm-fiu.c
index 05c10b3e6515..a9aee2a6c7dc 100644
--- a/drivers/spi/spi-wpcm-fiu.c
+++ b/drivers/spi/spi-wpcm-fiu.c
@@ -449,10 +449,9 @@ static int wpcm_fiu_probe(struct platform_device *pdev)
 	fiu->dev = dev;
 
 	fiu->regs = devm_platform_ioremap_resource_byname(pdev, "control");
-	if (IS_ERR(fiu->regs)) {
-		dev_err(dev, "Failed to map registers\n");
-		return PTR_ERR(fiu->regs);
-	}
+	if (IS_ERR(fiu->regs))
+		return dev_err_probe(dev, PTR_ERR(fiu->regs),
+				     "Failed to map registers\n");
 
 	fiu->clk = devm_clk_get_enabled(dev, NULL);
 	if (IS_ERR(fiu->clk))
@@ -461,10 +460,9 @@ static int wpcm_fiu_probe(struct platform_device *pdev)
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "memory");
 	fiu->memory = devm_ioremap_resource(dev, res);
 	fiu->memory_size = min_t(size_t, resource_size(res), MAX_MEMORY_SIZE_TOTAL);
-	if (IS_ERR(fiu->memory)) {
-		dev_err(dev, "Failed to map flash memory window\n");
-		return PTR_ERR(fiu->memory);
-	}
+	if (IS_ERR(fiu->memory))
+		return dev_err_probe(dev, PTR_ERR(fiu->memory),
+			       "Failed to map flash memory window\n");
 
 	fiu->shm_regmap = syscon_regmap_lookup_by_phandle_optional(dev->of_node, "nuvoton,shm");
 
-- 
2.34.1