Messages in this thread Patch in this message | | | Date | Fri, 19 Nov 2010 13:43:15 -0800 | From | Greg KH <> | Subject | [35/45] USB: atmel_usba_udc: force vbus_pin at -EINVAL when gpio_request failled |
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2.6.32-stable review patch. If anyone has any objections, please let us know.
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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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>
--- drivers/usb/gadget/atmel_usba_udc.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -2013,6 +2013,9 @@ static int __init usba_udc_probe(struct } else { disable_irq(gpio_to_irq(udc->vbus_pin)); } + } else { + /* gpio_request fail so use -EINVAL for gpio_is_valid */ + ubc->vbus_pin = -EINVAL; } }
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