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authorBastien Nocera <hadess@hadess.net>2019-10-16 11:39:32 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-12 11:01:55 -0800
commit77419aa403ca1395f66e1e3de87743f54ba144b6 (patch)
tree13b24674cf8e8151b59015ec90f003d696abafad /drivers/usb/core/generic.c
parent88b7381a939de0fa1f1b1629c56b03dca7077309 (diff)
downloadlinux-77419aa403ca1395f66e1e3de87743f54ba144b6.tar.bz2
USB: Fallback to generic driver when specific driver fails
If ->probe fails for a device specific driver, ask the driver core to reprobe us, after having flagged the device for the generic driver to be forced. Signed-off-by: Bastien Nocera <hadess@hadess.net> Acked-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20191016093933.693-6-hadess@hadess.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/generic.c')
-rw-r--r--drivers/usb/core/generic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c
index 84da85c13825..4626227a6dd2 100644
--- a/drivers/usb/core/generic.c
+++ b/drivers/usb/core/generic.c
@@ -213,6 +213,9 @@ static int __check_usb_generic(struct device_driver *drv, void *data)
static bool usb_generic_driver_match(struct usb_device *udev)
{
+ if (udev->use_generic_driver)
+ return true;
+
/*
* If any other driver wants the device, leave the device to this other
* driver.