linux-kernel - [42/43] usb: musb: core: set has

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Date:	Thu, 05 May 2011 17:26:03 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Felipe Balbi <balbi@...com>,
	Alan Stern <stern@...land.harvard.edu>
Subject: [42/43] usb: musb: core: set has_tt flag

2.6.33-longterm review patch.  If anyone has any objections, please let us know.

------------------

From: Felipe Balbi <balbi@...com>

commit ec95d35a6bd0047f05fe8a21e6c52f8bb418da55 upstream.

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@...com>
Cc: Alan Stern <stern@...land.harvard.edu>
Tested-by: Michael Jones <michael.jones@...rix-vision.de>
Tested-by: Alexander Holler <holler@...oftware.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/usb/musb/musb_core.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1798,6 +1798,7 @@ 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;


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