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authorThéo Lebrun <theo.lebrun@bootlin.com>2024-02-28 12:28:13 +0100
committerLinus Walleij <linus.walleij@linaro.org>2024-02-29 10:29:36 +0100
commit0b95fcd1f42f0ff5d0464e6a0f577b883fc20a4b (patch)
tree7f31a94b2b18fd1808eb5c4fe14e9fa375334686 /drivers/gpio
parentgpio: nomadik: add #include <linux/slab.h> (diff)
downloadlinux-0b95fcd1f42f0ff5d0464e6a0f577b883fc20a4b.tar.xz
linux-0b95fcd1f42f0ff5d0464e6a0f577b883fc20a4b.zip
gpio: nomadik: replace of_find_*() by bus_find_device_by_of_node()
Avoid OF APIs in the GPIO subsystem. Here, replace of_find_device_by_node() call by bus_find_device_by_of_node(). The new helper returns a struct device pointer. Store it in a new local variable and use it down the road. Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com> Link: https://lore.kernel.org/r/20240228-mbly-gpio-v2-15-3ba757474006@bootlin.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-nomadik.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
index 9347c93af62c..f3ef3b4d08eb 100644
--- a/drivers/gpio/gpio-nomadik.c
+++ b/drivers/gpio/gpio-nomadik.c
@@ -483,17 +483,20 @@ struct nmk_gpio_chip *nmk_gpio_populate_chip(struct device_node *np,
{
struct nmk_gpio_chip *nmk_chip;
struct platform_device *gpio_pdev;
+ struct device *gpio_dev;
struct gpio_chip *chip;
struct resource *res;
struct clk *clk;
void __iomem *base;
u32 id;
- gpio_pdev = of_find_device_by_node(np);
- if (!gpio_pdev) {
+ gpio_dev = bus_find_device_by_of_node(&platform_bus_type, np);
+ if (!gpio_dev) {
pr_err("populate \"%pOFn\": device not found\n", np);
return ERR_PTR(-ENODEV);
}
+ gpio_pdev = to_platform_device(gpio_dev);
+
if (of_property_read_u32(np, "gpio-bank", &id)) {
dev_err(&pdev->dev, "populate: gpio-bank property not found\n");
platform_device_put(gpio_pdev);
@@ -519,8 +522,8 @@ struct nmk_gpio_chip *nmk_gpio_populate_chip(struct device_node *np,
chip = &nmk_chip->chip;
chip->base = id * NMK_GPIO_PER_CHIP;
chip->ngpio = NMK_GPIO_PER_CHIP;
- chip->label = dev_name(&gpio_pdev->dev);
- chip->parent = &gpio_pdev->dev;
+ chip->label = dev_name(gpio_dev);
+ chip->parent = gpio_dev;
res = platform_get_resource(gpio_pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
@@ -530,7 +533,7 @@ 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(gpio_dev, NULL);
if (IS_ERR(clk)) {
platform_device_put(gpio_pdev);
return (void *)clk;