Patch "usb: r8a66597-hcd: decrease timeout" has been added to the 4.9-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
usb: r8a66597-hcd: decrease timeout
to the 4.9-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-r8a66597-hcd-decrease-timeout.patch
and it can be found in the queue-4.9 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
dd14a3e9b92ac6f0918054f9e3477438760a4fa6Mon Sep 17 00:00:00 2001
From: Chris Brandt <[email protected]>
Date: Thu, 27 Apr 2017 12:12:49 -0700
Subject: usb: r8a66597-hcd: decrease timeout
From: Chris Brandt <[email protected]>
commit dd14a3e9b92ac6f0918054f9e3477438760a4fa6 upstream.
The timeout for BULK packets was 300ms which is a long time if other endpoints or devices are waiting for their turn. Changing it to 50ms greatly increased the overall performance for multi-endpoint devices.
--- drivers/usb/host/r8a66597-hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/usb/host/r8a66597-hcd.c +1 -1
@@ -1269,7 +1269,7 @@ static void set_td_timer(struct r8a66597 time =30 ;break ;default : - time =300 ; + time =50 ;break ; }
Patches currently in stable-queue which might be from [email protected] are
queue-4.9/usb-r8a66597-hcd-decrease-timeout.patch queue-4.9/usb-r8a66597-hcd-select-a-different-endpoint-on-timeout.patch