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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-03-18 02:40:50 (GMT) |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-03-18 02:40:50 (GMT) |
| commit | 688d794c4c3f8b08c814381ee2edd3ede5856056 (patch) | |
| tree | ef680add71e2a9588d07d8b594edbc1b5cd127d7 /drivers/input/keyboard/gpio_keys_polled.c | |
| parent | 16142655269aaf580488e074eabfdcf0fb4e3687 (diff) | |
| parent | a937536b868b8369b98967929045f1df54234323 (diff) | |
| download | linux-fsl-qoriq-688d794c4c3f8b08c814381ee2edd3ede5856056.tar.xz | |
Merge tag 'v3.9-rc3' into next
Merge with mainline to bring in module_platform_driver_probe() and
devm_ioremap_resource().
Diffstat (limited to 'drivers/input/keyboard/gpio_keys_polled.c')
| -rw-r--r-- | drivers/input/keyboard/gpio_keys_polled.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index f686fd9..2114716 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -135,6 +135,7 @@ static struct gpio_keys_platform_data *gpio_keys_polled_get_devtree_pdata(struct i = 0; for_each_child_of_node(node, pp) { + int gpio; enum of_gpio_flags flags; if (!of_find_property(pp, "gpios", NULL)) { @@ -143,9 +144,19 @@ static struct gpio_keys_platform_data *gpio_keys_polled_get_devtree_pdata(struct continue; } + gpio = of_get_gpio_flags(pp, 0, &flags); + if (gpio < 0) { + error = gpio; + if (error != -EPROBE_DEFER) + dev_err(dev, + "Failed to get gpio flags, error: %d\n", + error); + goto err_free_pdata; + } + button = &pdata->buttons[i++]; - button->gpio = of_get_gpio_flags(pp, 0, &flags); + button->gpio = gpio; button->active_low = flags & OF_GPIO_ACTIVE_LOW; if (of_property_read_u32(pp, "linux,code", &button->code)) { |