diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2012-11-15 10:34:22 +0000 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-11-15 10:34:22 +0000 |
| commit | da63d20bfb12827dd7747a841ea27348af3abc0a (patch) | |
| tree | ba275a74d068f91b453c08b9bacf8afe9577db9b /drivers/gpio/gpiolib.c | |
| parent | 55020c8056a83ef2181e4cddd39cb2b9f4b88c5a (diff) | |
| parent | 77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff) | |
| download | blackbird-obmc-linux-da63d20bfb12827dd7747a841ea27348af3abc0a.tar.gz blackbird-obmc-linux-da63d20bfb12827dd7747a841ea27348af3abc0a.zip | |
Merge tag 'v3.7-rc5' into devicetree/next
Linux 3.7-rc5
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 5d6c71edc739..1c8d9e3380e1 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -623,9 +623,11 @@ static ssize_t export_store(struct class *class, */ status = gpio_request(gpio, "sysfs"); - if (status < 0) + if (status < 0) { + if (status == -EPROBE_DEFER) + status = -ENODEV; goto done; - + } status = gpio_export(gpio, true); if (status < 0) gpio_free(gpio); @@ -1191,8 +1193,10 @@ int gpio_request(unsigned gpio, const char *label) spin_lock_irqsave(&gpio_lock, flags); - if (!gpio_is_valid(gpio)) + if (!gpio_is_valid(gpio)) { + status = -EINVAL; goto done; + } desc = &gpio_desc[gpio]; chip = desc->chip; if (chip == NULL) |
