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Message-ID: <20160525200753.GA27089@uda0271908> Date: Wed, 25 May 2016 15:07:53 -0500 From: Bin Liu <b-liu@...com> To: Andrew Goodbody <andrew.goodbody@...brionix.com> CC: <gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH V3 0/2] usb: musb: fix dropped packets Hi, On Tue, May 24, 2016 at 09:22:32AM +0100, Andrew Goodbody wrote: > The musb driver can drop rx packets when heavily loaded. These two > patches address two issues that can cause this. Both issues arose > when an endpoint was reprogrammed. The first patch is a logic bug > that resulted in a shared_fifo in rx mode not having its state > cleared out. The second patch fixes a race condition caused by > not stopping the dedicated endpoint for bulk packets before > rotating its queue which allowed a packet to be recieved and then > thrown away. > > V3 Updated the comment to better reference the manual > V2 added a comment and removed debugging code > > Andrew Goodbody (2): > usb: musb: Ensure rx reinit occurs for shared_fifo endpoints > usb: musb: Stop bulk endpoint while queue is rotated Signed-off-by: Bin Liu <b-liu@...com> Regards, -Bin. > > drivers/usb/musb/musb_host.c | 21 +++++++++++++-------- > 1 file changed, 13 insertions(+), 8 deletions(-) > > -- > 2.7.4 >
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