usb: add decriptor of persist fail for some morph usb devices

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

Some morph devices will morph after being reset and cause persist
to fail. This patch is to add descriptor about this in the
Document/usb/persist.txt

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Lan Tianyu and committed by

Greg Kroah-Hartman 13 years ago 4d9e4088 7fc2cc32

1 changed file

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Documentation

usb

persist.txt

Documentation/usb/persist.txt

··· 155 155 data corruption and to crash your system. You'll have no one to blame 156 156 but yourself. 157 157 158 + For those devices with avoid_reset_quirk attribute being set, persist 159 + maybe fail because they may morph after reset. 160 + 158 161 YOU HAVE BEEN WARNED! USE AT YOUR OWN RISK! 159 162 160 163 That having been said, most of the time there shouldn't be any trouble