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[024/115] USB: prevent buggy hubs from crashing the USB stack

Message ID 20110224085735.GD3528@legolas.emea.dhcp.ti.com (mailing list archive)
State New, archived
Delegated to: Felipe Balbi
Headers show

Commit Message

Felipe Balbi Feb. 24, 2011, 8:57 a.m. UTC 
None
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Patch

From 65315c60a17f83e69d01888babe4445097c8ead0 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Thu, 24 Feb 2011 10:36:53 +0200
Subject: [PATCH] usb: musb: core: set has_tt flag
Organization: Texas Instruments\n

MUSB is a non-standard host implementation which
can handle all speeds with the same core. We need
to set has_tt flag after commit
d199c96d41d80a567493e12b8e96ea056a1350c1 (USB: prevent
buggy hubs from crashing the USB stack) in order for
MUSB HCD to continue working.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/musb/musb_core.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 54a8bd1..c292d5c 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1864,6 +1864,7 @@  allocate_instance(struct device *dev,
 	INIT_LIST_HEAD(&musb->out_bulk);
 
 	hcd->uses_new_polling = 1;
+	hcd->has_tt = 1;
 
 	musb->vbuserr_retry = VBUSERR_RETRY_COUNT;
 	musb->a_wait_bcon = OTG_TIME_A_WAIT_BCON;
-- 
1.7.4.rc2