]> git.kernelconcepts.de Git - karo-tx-linux.git/commit
ENGR00242788: usb: host: disable stream mode due to IC problem
authorPeter Chen <peter.chen@freescale.com>
Fri, 1 Feb 2013 03:05:30 +0000 (11:05 +0800)
committerLothar Waßmann <LW@KARO-electronics.de>
Fri, 24 May 2013 06:35:53 +0000 (08:35 +0200)
commit936b159b412177364db6acc18fe3f063076d4fe3
tree0484301da56f37f76755962586ac72379a7d02d0
parent8e04f1b18731c23789a391880db056e90265e0c9
ENGR00242788: usb: host: disable stream mode due to IC problem

There is a bug at chipidea core, please see below synopsis problem title
and its number.
STAR 9000378958
Title: Non-Double Word Aligned Buffer Address Sometimes
Causes Host to Hang on OUT Retry

This problem will be showed when we use Ethernet device at host port, there
is an errata ERR006308 for it.

The workaround for this issue is to disable stream mode at register usbmode.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
drivers/usb/host/ehci-arc.c
drivers/usb/host/ehci-fsl.h