diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2010-09-20 18:31:07 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-11-22 11:03:13 -0800 |
| commit | 51b2e9105aa6e4d1903b91fe47987767fb9a15e9 (patch) | |
| tree | 50f155ed142f706b1b4995f6c336264764568622 | |
| parent | 2a1896e4e074c1d9f0525658f7eac5d3c4e807ee (diff) | |
USB: atmel_usba_udc: force vbus_pin at -EINVAL when gpio_request failled
commit 969affff54702785330de553b790372e261e93f9 upstream.
to ensure gpio_is_valid return false
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/usb/gadget/atmel_usba_udc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index d623c7bda1f6..959f0624fe0d 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -2014,6 +2014,9 @@ static int __init usba_udc_probe(struct platform_device *pdev) } else { disable_irq(gpio_to_irq(udc->vbus_pin)); } + } else { + /* gpio_request fail so use -EINVAL for gpio_is_valid */ + ubc->vbus_pin = -EINVAL; } } |