Commit 3150619d authored by Bartosz Golaszewski's avatar Bartosz Golaszewski
Browse files

gpio: latch: use generic device properties 

Replace calls to OF-specific interface with generic device property
getters. This is good practice and also drops implicit run-time
dependency on CONFIG_OF.

Link: https://lore.kernel.org/r/20250211120847.42437-1-brgl@bgdev.pl


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent d50a7908

drivers/gpio/gpio-latch.c

+6 −3
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#include <linux/module.h>

#include <linux/mod_devicetable.h>

#include <linux/platform_device.h>

#include <linux/property.h>

#include <linux/delay.h>



#include "gpiolib.h"
@@ -138,9 +139,9 @@ static bool gpio_latch_can_sleep(struct gpio_latch_priv *priv, unsigned int n_la 


static int gpio_latch_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

	struct gpio_latch_priv *priv;

	unsigned int n_latches;

	struct device_node *np = pdev->dev.of_node;



	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);

	if (!priv)
@@ -172,14 +173,16 @@ static int gpio_latch_probe(struct platform_device *pdev) 
		spin_lock_init(&priv->spinlock);

	}



	of_property_read_u32(np, "setup-duration-ns", &priv->setup_duration_ns);

	device_property_read_u32(dev, "setup-duration-ns",

				 &priv->setup_duration_ns);

	if (priv->setup_duration_ns > DURATION_NS_MAX) {

		dev_warn(&pdev->dev, "setup-duration-ns too high, limit to %d\n",

			 DURATION_NS_MAX);

		priv->setup_duration_ns = DURATION_NS_MAX;

	}



	of_property_read_u32(np, "clock-duration-ns", &priv->clock_duration_ns);

	device_property_read_u32(dev, "clock-duration-ns",

				 &priv->clock_duration_ns);

	if (priv->clock_duration_ns > DURATION_NS_MAX) {

		dev_warn(&pdev->dev, "clock-duration-ns too high, limit to %d\n",

			 DURATION_NS_MAX);