commit 8e0ffe2088ebc6557bf4e08377605e991d375e06
author Varadarajan Narayanan <varada@codeaurora.org> Thu Mar 17 14:43:35 2016 +0530
committer Patrick Georgi <pgeorgi@google.com> Mon May 09 08:29:57 2016 +0200
tree e5fc0e772180550bf6be25c16e8adb6b5f359442
parent 9a8b67d0af6a175e6a559e66893f5c29b8d70bf8

libpayload: xhci: Set MPS based on speed

BUG=chrome-os-partner:49249
TEST=Compiles and boots and detect USB storage
BRANCH=none

Change-Id: I9007399e1f785e6f1d2258225e3f7cc602053aed
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 1db43f53973d2124e41186777caa829aa346ace3
Original-Change-Id: I943d19a3a7d785bd075073b57ba6388662d7df90
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333311
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/14659
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

payloads/libpayload/drivers/usb/xhci_devconf.c

diff --git a/payloads/libpayload/drivers/usb/xhci_devconf.c b/payloads/libpayload/drivers/usb/xhci_devconf.c
index ead130e..48d928c 100644
--- a/payloads/libpayload/drivers/usb/xhci_devconf.c
+++ b/payloads/libpayload/drivers/usb/xhci_devconf.c
@@ -185,7 +185,7 @@
 	ic->dev.ep0->tr_dq_high	= 0;
 	EC_SET(TYPE,	ic->dev.ep0, EP_CONTROL);
 	EC_SET(AVRTRB,	ic->dev.ep0, 8);
-	EC_SET(MPS,	ic->dev.ep0, 8);
+	EC_SET(MPS,	ic->dev.ep0, speed_to_default_mps(speed));
 	EC_SET(CERR,	ic->dev.ep0, 3);
 	EC_SET(DCS,	ic->dev.ep0, 1);