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authorAndrew Goodbody <andrew.goodbody@cambrionix.com>2016-05-31 15:05:27 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-01 21:58:59 (GMT)
commit7b2c17f829545df27a910e8d82e133c21c9a8c9c (patch)
treee26c5d4a6a23325f3a8a080217d2060bd7c38509 /drivers/usb/dwc3
parentf3eec0cf784e0d6c47822ca6b66df3d5812af7e6 (diff)
downloadlinux-7b2c17f829545df27a910e8d82e133c21c9a8c9c.tar.xz
usb: musb: Stop bulk endpoint while queue is rotated
Ensure that the endpoint is stopped by clearing REQPKT before clearing DATAERR_NAKTIMEOUT before rotating the queue on the dedicated bulk endpoint. This addresses an issue where a race could result in the endpoint receiving data before it was reprogrammed resulting in a warning about such data from musb_rx_reinit before it was thrown away. The data thrown away was a valid packet that had been correctly ACKed which meant the host and device got out of sync. Signed-off-by: Andrew Goodbody <andrew.goodbody@cambrionix.com> Cc: stable@vger.kernel.org Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3')
0 files changed, 0 insertions, 0 deletions