linux-kernel - Re: [PATCH] Improve error recovery in serial mouse driver

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Date:	Fri, 16 Mar 2007 01:01:19 -0400
From:	Dmitry Torokhov <dtor@...ightbb.com>
To:	Peter Osterlund <petero2@...ia.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Improve error recovery in serial mouse driver

On Thursday 15 March 2007 15:16, Peter Osterlund wrote:
> If bytes get lost in the communication with a serial mouse using the
> MS protocol, the kernel driver could do a better job getting back in
> sync. The first byte in a packet has bit 6 set, and no other bytes
> have that bit set. Therefore, if a byte is received with bit 6 cleared
> when the driver thinks it is at byte 0 in the packet, the driver thinks
> wrong and the byte should just be ignored.
> 
> This fix prevents spurious left/right button events when the serial
> communication is disturbed by a CPU-hungry real-time process.
> 
> Signed-off-by: Peter Osterlund <petero2@...ia.com>

Applied, thank you Peter.

-- 
Dmitry
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