linux-kernel - [PATCH] clk/samsung: Use of_device_get_match

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Date:   Thu,  3 Mar 2022 09:22:23 +0000
From:   cgel.zte@...il.com
To:     s.nawrocki@...sung.com
Cc:     tomasz.figa@...il.com, cw00.choi@...sung.com,
        alim.akhtar@...sung.com, mturquette@...libre.com, sboyd@...nel.org,
        krzysztof.kozlowski@...onical.com,
        linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] clk/samsung: 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/clk/samsung/clk-exynos-clkout.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c
index e6d6cbf8c4e6..feed1a347c09 100644
--- a/drivers/clk/samsung/clk-exynos-clkout.c
+++ b/drivers/clk/samsung/clk-exynos-clkout.c
@@ -81,19 +81,13 @@ MODULE_DEVICE_TABLE(of, exynos_clkout_ids);
 static int exynos_clkout_match_parent_dev(struct device *dev, u32 *mux_mask)
 {
 	const struct exynos_clkout_variant *variant;
-	const struct of_device_id *match;
 
 	if (!dev->parent) {
 		dev_err(dev, "not instantiated from MFD\n");
 		return -EINVAL;
 	}
 
-	match = of_match_device(exynos_clkout_ids, dev->parent);
-	if (!match) {
-		dev_err(dev, "cannot match parent device\n");
-		return -EINVAL;
-	}
-	variant = match->data;
+	variant = of_device_get_match_data(dev->parent);
 
 	*mux_mask = variant->mux_mask;
 
-- 
2.25.1