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USB: Fallback to generic driver when specific driver fails

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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>
This commit is contained in:
Bastien Nocera
2019-10-16 11:39:32 +02:00
committed by Greg Kroah-Hartman
parent 88b7381a93
commit 77419aa403
3 changed files with 8 additions and 1 deletions
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include/linux/usb.h
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@@ -708,6 +708,7 @@ struct usb_device {
unsigned lpm_disable_count;
u16 hub_delay;
unsigned use_generic_driver:1;
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)