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Commit cd9835f1 authored by Bartosz Golaszewski's avatar Bartosz Golaszewski Committed by Linus Walleij
Browse files

gpio: mockup: add helpers for accessing the gpio ranges 



In order to avoid repeating the calculations on every access - add
helpers for gpio base and ngpio components of the ranges array.

Signed-off-by: default avatarBartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent e63a006f

drivers/gpio/gpio-mockup.c

+14 −4
Original line number Diff line number Diff line
@@ -81,6 +81,16 @@ module_param_named(gpio_mockup_named_lines, 


static struct dentry *gpio_mockup_dbg_dir;



static int gpio_mockup_range_base(unsigned int index)

{

	return gpio_mockup_ranges[index * 2];

}



static int gpio_mockup_range_ngpio(unsigned int index)

{

	return gpio_mockup_ranges[index * 2 + 1];

}



static int gpio_mockup_get(struct gpio_chip *gc, unsigned int offset)

{

	struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
@@ -351,7 +361,7 @@ static int __init gpio_mockup_init(void) 
	 * always be greater than 0.

	 */

	for (i = 0; i < num_chips; i++) {

		if (gpio_mockup_ranges[i * 2 + 1] < 0)

		if (gpio_mockup_range_ngpio(i) < 0)

			return -EINVAL;

	}
@@ -367,10 +377,10 @@ static int __init gpio_mockup_init(void) 


	for (i = 0; i < num_chips; i++) {

		pdata.index = index++;

		pdata.base = gpio_mockup_ranges[i * 2];

		pdata.base = gpio_mockup_range_base(i);

		pdata.ngpio = pdata.base < 0

				? gpio_mockup_ranges[i * 2 + 1]

				: gpio_mockup_ranges[i * 2 + 1] - pdata.base;

				? gpio_mockup_range_ngpio(i)

				: gpio_mockup_range_ngpio(i) - pdata.base;

		pdata.named_lines = gpio_mockup_named_lines;



		pdev = platform_device_register_resndata(NULL,