linux-kernel - [PATCH] drivers/spi: Use of_device_get_match

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Message-Id: <20220221020233.1925154-1-chi.minghao@zte.com.cn>
Date:   Mon, 21 Feb 2022 02:02:33 +0000
From:   cgel.zte@...il.com
To:     broonie@...nel.org
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Minghao Chi (CGEL ZTE)" <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] drivers/spi: Use of_device_get_match_data()

From: "Minghao Chi (CGEL ZTE)" <chi.minghao@....com.cn>

Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@....com.cn>
---
 drivers/spi/spi-lantiq-ssc.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/spi/spi-lantiq-ssc.c b/drivers/spi/spi-lantiq-ssc.c
index bcb52601804a..aae26f62ea87 100644
--- a/drivers/spi/spi-lantiq-ssc.c
+++ b/drivers/spi/spi-lantiq-ssc.c
@@ -906,17 +906,11 @@ static int lantiq_ssc_probe(struct platform_device *pdev)
 	struct spi_master *master;
 	struct lantiq_ssc_spi *spi;
 	const struct lantiq_ssc_hwcfg *hwcfg;
-	const struct of_device_id *match;
 	u32 id, supports_dma, revision;
 	unsigned int num_cs;
 	int err;
 
-	match = of_match_device(lantiq_ssc_match, dev);
-	if (!match) {
-		dev_err(dev, "no device match\n");
-		return -EINVAL;
-	}
-	hwcfg = match->data;
+	hwcfg = of_device_get_match_data(dev);
 
 	master = spi_alloc_master(dev, sizeof(struct lantiq_ssc_spi));
 	if (!master)
-- 
2.25.1