lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

USB: storage: Never reset devices that will morph to an old mode

Browse Source 
Some devices must be switched to a new mode to fully use them.
A reset would make them revert to the old mode. Therefore a reset
must not be used for error handling with such devices.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum
2009-12-18 12:14:21 +01:00
committed by Greg Kroah-Hartman
parent d1b5b5c0a8
commit 5d3987796c
3 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/linux/usb/quirks.h
View File

@ -19,4 +19,7 @@
/* device can't handle its Configuration or Interface strings */
#define USB_QUIRK_CONFIG_INTF_STRINGS 0x00000008
/*device will morph if reset, don't use reset for handling errors */
#define USB_QUIRK_RESET_MORPHS 0x00000010
#endif /* __LINUX_USB_QUIRKS_H */