From: ye xingchen <ye.xingchen@zte.com.cn>
Date: Thu, 17 Nov 2022 11:16:50 +0000 (+0800)
Subject: irqchip/st: Use device_get_match_data() to simplify the code
X-Git-Tag: v6.2-rc1~195^2^2^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4e08a286b1f7a0a32828d6411255296e4ef51fa6;p=thirdparty%2Fkernel%2Flinux.git

irqchip/st: Use device_get_match_data() to simplify the code

Directly get the match data with device_get_match_data().

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/202211171916504943604@zte.com.cn
---

diff --git a/drivers/irqchip/irq-st.c b/drivers/irqchip/irq-st.c
index 801551e46a7b0..1b83512b29c62 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)) {