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Patch "usb: quirks: Add no-lpm quirk for Elan" has been added to the 4.4-stable tree

PATCH [email protected] 1 participant 1 message Aug 17, 2016

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This is a note to let you know that I've just added the patch titled

usb: quirks: Add no-lpm quirk for Elan

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
usb-quirks-add-no-lpm-quirk-for-elan.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From 25b1f9acc452209ae0fcc8c1332be852b5c52f53 Mon Sep 17 00:00:00 2001

From: Joseph Salisbury <[email protected]>
Date: Wed, 6 Jul 2016 21:18:51 -0400
Subject: usb: quirks: Add no-lpm quirk for Elan

From: Joseph Salisbury <[email protected]>

commit 25b1f9acc452209ae0fcc8c1332be852b5c52f53 upstream.

As reported in BugLink, this device has an issue with Linux Power Management so adding a quirk. This quirk was reccomended by Alan Stern:

http://lkml.iu.edu/hypermail/linux/kernel/1606.2/05590.html

---
 drivers/usb/core/quirks.c |    3 +++
 1 file changed, 3 insertions(+)
drivers/usb/core/quirks.c +3 -0
@@ -128,6 +128,9 @@ static const struct usb_device_id usb_qu
 	{ USB_DEVICE(0x04f3, 0x016f), .driver_info =
 			USB_QUIRK_DEVICE_QUALIFIER },
 
+	{ USB_DEVICE(0x04f3, 0x0381), .driver_info =
+			USB_QUIRK_NO_LPM },
+
 	{ USB_DEVICE(0x04f3, 0x21b8), .driver_info =
 			USB_QUIRK_DEVICE_QUALIFIER },
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/usb-quirks-add-no-lpm-quirk-for-elan.patch