[PATCH V2] clk/samsung: Use of_device_get_match_data()

From: cgel.zte@gmail.com
To: s.nawrocki@samsung.com
Cc: tomasz.figa@gmail.com, cw00.choi@samsung.com,
	alim.akhtar@samsung.com, mturquette@baylibre.com,
	sboyd@kernel.org, krzysztof.kozlowski@canonical.com,
	linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Minghao Chi <chi.minghao@zte.com.cn>
Subject: [PATCH V2] clk/samsung: Use of_device_get_match_data()
Date: Mon,  7 Mar 2022 03:35:46 +0000	[thread overview]
Message-ID: <20220307033546.2075097-1-chi.minghao@zte.com.cn> (raw)

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

Use of_device_get_match_data() to simplify the code.

v1->v2:
  Add a judgment for returning variant to NULL

Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
---
 drivers/clk/samsung/clk-exynos-clkout.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c
index e6d6cbf8c4e6..273f77d54dab 100644
--- a/drivers/clk/samsung/clk-exynos-clkout.c
+++ b/drivers/clk/samsung/clk-exynos-clkout.c
@@ -81,19 +81,17 @@ 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) {
+	variant = of_device_get_match_data(dev->parent);
+	if (!variant) {
 		dev_err(dev, "cannot match parent device\n");
 		return -EINVAL;
 	}
-	variant = match->data;
 
 	*mux_mask = variant->mux_mask;
 
-- 
2.25.1

