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gpiolib: Add gpiochip_set_data() helper 

There are too many 'data' parameters here and there.

For the better maintenance keep access GPIO device data
via getter and setter.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2023-03-21 15:53:32 +02:00 committed by Bartosz Golaszewski
parent 8deb779d36
commit 7b59bdbc39
1 changed files with 9 additions and 3 deletions
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12
drivers/gpio/gpiolib.c
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@ -680,6 +680,11 @@ static void gpiochip_setup_devs(void)
}
}
static void gpiochip_set_data(struct gpio_chip *gc, void *data)
{
gc->gpiodev->data = data;
}
/**
* gpiochip_get_data() - get per-subdriver data for the chip
* @gc: GPIO chip
@ -722,7 +727,9 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
gdev->dev.bus = &gpio_bus_type;
gdev->dev.parent = gc->parent;
gdev->chip = gc;
gc->gpiodev = gdev;
gpiochip_set_data(gc, data);
device_set_node(&gdev->dev, gc->fwnode);
@ -789,7 +796,6 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
}
gdev->ngpio = gc->ngpio;
gdev->data = data;
spin_lock_irqsave(&gpio_lock, flags);
@ -977,9 +983,9 @@ void gpiochip_remove(struct gpio_chip *gc)
gpiochip_free_valid_mask(gc);
/*
* We accept no more calls into the driver from this point, so
* NULL the driver data pointer
* NULL the driver data pointer.
*/
gdev->data = NULL;
gpiochip_set_data(gc, NULL);
spin_lock_irqsave(&gpio_lock, flags);
for (i = 0; i < gdev->ngpio; i++) {