linux-kernel - [PATCH linux-next] irqchip: st: Use device_get_match

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Date:   Thu, 17 Nov 2022 19:16:50 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <tglx@...utronix.de>
Cc:     <maz@...nel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH linux-next] irqchip: st: Use device_get_match_data() to simplify the code

From: ye xingchen <ye.xingchen@....com.cn>

Directly get the match data with device_get_match_data().

Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
 drivers/irqchip/irq-st.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/irqchip/irq-st.c b/drivers/irqchip/irq-st.c
index 801551e46a7b..1b83512b29c6 100644
--- a/drivers/irqchip/irq-st.c
+++ b/drivers/irqchip/irq-st.c
@@ -153,18 +153,13 @@ static int st_irq_syscfg_enable(struct platform_device *pdev)
 static int st_irq_syscfg_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	const struct of_device_id *match;
 	struct st_irq_syscfg *ddata;

 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
 	if (!ddata)
 		return -ENOMEM;

-	match = of_match_device(st_irq_syscfg_match, &pdev->dev);
-	if (!match)
-		return -ENODEV;
-
-	ddata->syscfg = (unsigned int)match->data;
+	ddata->syscfg = (unsigned int) device_get_match_data(&pdev->dev);

 	ddata->regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg");
 	if (IS_ERR(ddata->regmap)) {
-- 
2.25.1