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USB: atmel_usba_udc: force vbus_pin at -EINVAL when gpio_request failled 

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>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
wifi-calibration
Jean-Christophe PLAGNIOL-VILLARD 2010-09-20 18:31:07 +02:00 committed by Greg Kroah-Hartman
parent e5dcd531ac
commit 969affff54
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/gadget/atmel_usba_udc.c
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@ -2015,6 +2015,9 @@ 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;
}
}