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gpio: latch: use generic device properties

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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: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-02-11 13:08:46 +01:00
parent d50a7908df
commit 3150619d1a
1 changed files with 6 additions and 3 deletions
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9
drivers/gpio/gpio-latch.c
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@ -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);