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gpio: ge: Make driver OF-independent 

There is nothing in the driver that requires OF APIs,
make the driver OF independent.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2023-07-24 19:13:17 +03:00 committed by Bartosz Golaszewski
parent 94484a7935
commit 0cf2b4f550
1 changed files with 13 additions and 20 deletions
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33
drivers/gpio/gpio-ge.c
View File

@ -21,10 +21,10 @@
#include <linux/gpio/driver.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/slab.h>
#define GEF_GPIO_DIRECT 0x00
@ -54,6 +54,7 @@ MODULE_DEVICE_TABLE(of, gef_gpio_ids);
static int __init gef_gpio_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct gpio_chip *gc;
void __iomem *regs;
int ret;
@ -62,38 +63,30 @@ static int __init gef_gpio_probe(struct platform_device *pdev)
if (!gc)
return -ENOMEM;
regs = of_iomap(pdev->dev.of_node, 0);
if (!regs)
return -ENOMEM;
regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs))
return PTR_ERR(regs);
ret = bgpio_init(gc, &pdev->dev, 4, regs + GEF_GPIO_IN,
regs + GEF_GPIO_OUT, NULL, NULL,
regs + GEF_GPIO_DIRECT, BGPIOF_BIG_ENDIAN_BYTE_ORDER);
if (ret) {
dev_err(&pdev->dev, "bgpio_init failed\n");
goto err0;
}
if (ret)
return dev_err_probe(dev, ret, "bgpio_init failed\n");
/* Setup pointers to chip functions */
gc->label = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOF", pdev->dev.of_node);
if (!gc->label) {
ret = -ENOMEM;
goto err0;
}
gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", dev_fwnode(dev));
if (!gc->label)
return -ENOMEM;
gc->base = -1;
gc->ngpio = (u16)(uintptr_t)of_device_get_match_data(&pdev->dev);
gc->ngpio = (uintptr_t)device_get_match_data(dev);
/* This function adds a memory mapped GPIO chip */
ret = devm_gpiochip_add_data(&pdev->dev, gc, NULL);
if (ret)
goto err0;
return dev_err_probe(dev, ret, "GPIO chip registration failed\n");
return 0;
err0:
iounmap(regs);
pr_err("%pOF: GPIO chip registration failed\n", pdev->dev.of_node);
return ret;
};
static struct platform_driver gef_gpio_driver = {