linux-kernel - [PATCH 14/23] gpio: nomadik: make clock optional

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Message-Id: <20240214-mbly-gpio-v1-14-f88c0ccf372b@bootlin.com>
Date: Wed, 14 Feb 2024 17:24:07 +0100
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mips@...r.kernel.org, Gregory CLEMENT <gregory.clement@...tlin.com>, 
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>, 
 Théo Lebrun <theo.lebrun@...tlin.com>
Subject: [PATCH 14/23] gpio: nomadik: make clock optional

Not all platforms using this platform driver expose a clock for this
GPIO controller. Turn clk_get() into clk_get_optional() to avoid
failing when no clocks are provided.

Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
---
 drivers/gpio/gpio-nomadik.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
index 8d47aef8d2c4..2e7d3840b714 100644
--- a/drivers/gpio/gpio-nomadik.c
+++ b/drivers/gpio/gpio-nomadik.c
@@ -529,7 +529,7 @@ struct nmk_gpio_chip *nmk_gpio_populate_chip(struct device_node *np,
 	}
 	nmk_chip->addr = base;
 
-	clk = clk_get(&gpio_pdev->dev, NULL);
+	clk = clk_get_optional(&gpio_pdev->dev, NULL);
 	if (IS_ERR(clk)) {
 		platform_device_put(gpio_pdev);
 		return (void *)clk;

-- 
2.43.1