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authorLan Tianyu <tianyu.lan@intel.com>2012-08-03 10:30:36 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-10 21:06:39 +0200
commit4d9e4088e074e674bc7a9fef4381e0910323c649 (patch)
treec624480ccaa1d37ea4ca21b82a16eecef136161b /Documentation/usb
parentusb: Rename temp variable "config" to "val" in the set_avoid_reset_quirk() (diff)
downloadlinux-4d9e4088e074e674bc7a9fef4381e0910323c649.tar.xz
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usb: add decriptor of persist fail for some morph usb devices
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>
Diffstat (limited to 'Documentation/usb')
-rw-r--r--Documentation/usb/persist.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/usb/persist.txt b/Documentation/usb/persist.txt
index 074b159b77c2..35d70eda9ad6 100644
--- a/Documentation/usb/persist.txt
+++ b/Documentation/usb/persist.txt
@@ -155,6 +155,9 @@ If the kernel gets fooled in this way, it's almost certain to cause
data corruption and to crash your system. You'll have no one to blame
but yourself.
+For those devices with avoid_reset_quirk attribute being set, persist
+maybe fail because they may morph after reset.
+
YOU HAVE BEEN WARNED! USE AT YOUR OWN RISK!
That having been said, most of the time there shouldn't be any trouble