From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Convert the driver to using the new generic GPIO chip interfaces from
linux/gpio/generic.h.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/gpio/gpio-ftgpio010.c | 39 ++++++++++++++++++++++-----------------
1 file changed, 22 insertions(+), 17 deletions(-)
diff --git a/drivers/gpio/gpio-ftgpio010.c b/drivers/gpio/gpio-ftgpio010.c
index 56666ca8889bc92b91b160751728b65e287b0123..dfa2c9444960a304d411e8d20db9bce0f8afa1c6 100644
--- a/drivers/gpio/gpio-ftgpio010.c
+++ b/drivers/gpio/gpio-ftgpio010.c
@@ -14,6 +14,7 @@
#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/platform_device.h>
@@ -41,13 +42,13 @@
/**
* struct ftgpio_gpio - Gemini GPIO state container
* @dev: containing device for this instance
- * @gc: gpiochip for this instance
+ * @chip: generic GPIO chip for this instance
* @base: remapped I/O-memory base
* @clk: silicon clock
*/
struct ftgpio_gpio {
struct device *dev;
- struct gpio_chip gc;
+ struct gpio_generic_chip chip;
void __iomem *base;
struct clk *clk;
};
@@ -234,6 +235,7 @@ static const struct irq_chip ftgpio_irq_chip = {
static int ftgpio_gpio_probe(struct platform_device *pdev)
{
+ struct gpio_generic_chip_config config;
struct device *dev = &pdev->dev;
struct ftgpio_gpio *g;
struct gpio_irq_chip *girq;
@@ -262,27 +264,30 @@ static int ftgpio_gpio_probe(struct platform_device *pdev)
*/
return PTR_ERR(g->clk);
- ret = bgpio_init(&g->gc, dev, 4,
- g->base + GPIO_DATA_IN,
- g->base + GPIO_DATA_SET,
- g->base + GPIO_DATA_CLR,
- g->base + GPIO_DIR,
- NULL,
- 0);
+ config = (typeof(config)){
+ .dev = dev,
+ .sz = 4,
+ .dat = g->base + GPIO_DATA_IN,
+ .set = g->base + GPIO_DATA_SET,
+ .clr = g->base + GPIO_DATA_CLR,
+ .dirout = g->base + GPIO_DIR,
+ };
+
+ ret = gpio_generic_chip_init(&g->chip, &config);
if (ret)
return dev_err_probe(dev, ret, "unable to init generic GPIO\n");
- g->gc.label = dev_name(dev);
- g->gc.base = -1;
- g->gc.parent = dev;
- g->gc.owner = THIS_MODULE;
- /* ngpio is set by bgpio_init() */
+ g->chip.gc.label = dev_name(dev);
+ g->chip.gc.base = -1;
+ g->chip.gc.parent = dev;
+ g->chip.gc.owner = THIS_MODULE;
+ /* ngpio is set by gpio_generic_chip_init() */
/* We need a silicon clock to do debounce */
if (!IS_ERR(g->clk))
- g->gc.set_config = ftgpio_gpio_set_config;
+ g->chip.gc.set_config = ftgpio_gpio_set_config;
- girq = &g->gc.irq;
+ girq = &g->chip.gc.irq;
gpio_irq_chip_set_chip(girq, &ftgpio_irq_chip);
girq->parent_handler = ftgpio_gpio_irq_handler;
girq->num_parents = 1;
@@ -303,7 +308,7 @@ static int ftgpio_gpio_probe(struct platform_device *pdev)
/* Clear any use of debounce */
writel(0x0, g->base + GPIO_DEBOUNCE_EN);
- return devm_gpiochip_add_data(dev, &g->gc, g);
+ return devm_gpiochip_add_data(dev, &g->chip.gc, g);
}
static const struct of_device_id ftgpio_gpio_of_match[] = {
--
2.48.1