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authorBartosz Golaszewski <brgl@bgdev.pl>2017-11-27 13:48:54 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-12-03 00:42:31 +0300
commitcd9835f1c67712412be6781157a811b0f177d545 (patch)
treee1db257ddae3c56b0fa369088ba528a27839acbd /drivers/gpio/gpio-mockup.c
parente63a006f704ba11928a8393e07a35a5f7d07290c (diff)
downloadlinux-cd9835f1c67712412be6781157a811b0f177d545.tar.xz
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: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mockup.c')
-rw-r--r--drivers/gpio/gpio-mockup.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index a6bfbe58bc63..ea8c730d8af1 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -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,