linux-kernel - [PATCH v2 2/3] gpio: creg-snps: Simplify with of_device_get_match

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Message-Id: <20251219-gpio-of-match-v2-2-5c65cbb513ac@oss.qualcomm.com>
Date: Fri, 19 Dec 2025 11:11:51 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Linus Walleij <linus.walleij@...aro.org>, 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>, Linus Walleij <linusw@...nel.org>,
        Bartosz Golaszewski <brgl@...nel.org>
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@....qualcomm.com>
Subject: [PATCH v2 2/3] 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@....qualcomm.com>
---
 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..157ab90f5ba8 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 = device_get_match_data(dev);
 	if (!hcg->layout)
 		return -EINVAL;
 

-- 
2.51.0