linux-kernel - [PATCH 3/4] gpio: creg-snps: Simplify with of_device_get_match

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Message-Id: <20251106-gpio-of-match-v1-3-50c7115a045e@linaro.org>
Date: Thu, 06 Nov 2025 17:16:27 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Joel Stanley <joel@....id.au>, 
 Andrew Jeffery <andrew@...econstruct.com.au>, 
 Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>, 
 Shubhrajyoti Datta <shubhrajyoti.datta@....com>, 
 Srinivas Neeli <srinivas.neeli@....com>, 
 Michal Simek <michal.simek@....com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 3/4] gpio: creg-snps: Simplify with
 of_device_get_match_data()

Driver's probe function matches against driver's of_device_id table,
where each entry has non-NULL match data, so of_match_node() can be
simplified with of_device_get_match_data().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/gpio/gpio-creg-snps.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-creg-snps.c b/drivers/gpio/gpio-creg-snps.c
index f8ea961fa1de..cdb103b0fae3 100644
--- a/drivers/gpio/gpio-creg-snps.c
+++ b/drivers/gpio/gpio-creg-snps.c
@@ -134,7 +134,6 @@ static const struct of_device_id creg_gpio_ids[] = {
 
 static int creg_gpio_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct device *dev = &pdev->dev;
 	struct creg_gpio *hcg;
 	u32 ngpios;
@@ -148,8 +147,7 @@ static int creg_gpio_probe(struct platform_device *pdev)
 	if (IS_ERR(hcg->regs))
 		return PTR_ERR(hcg->regs);
 
-	match = of_match_node(creg_gpio_ids, pdev->dev.of_node);
-	hcg->layout = match->data;
+	hcg->layout = of_device_get_match_data(dev);
 	if (!hcg->layout)
 		return -EINVAL;
 

-- 
2.48.1