RE: [PATCH V5 2/4] scsi: ufs: Fix hardware race conditions while aborting a command

2013-08-13 Thread Yaniv Gardi
] On Behalf Of Dolev Raviv = Sent: Monday, August 12, 2013 4:02 PM = To: Sujit Reddy Thumma = Cc: Vinayak Holikatti; Santosh Y; James E.J. Bottomley; linux- = s...@vger.kernel.org; Sujit Reddy Thumma; linux-arm- = m...@vger.kernel.org = Subject: Re: [PATCH V5 2/4] scsi: ufs: Fix hardware race

Re: [PATCH V5 2/4] scsi: ufs: Fix hardware race conditions while aborting a command

2013-08-12 Thread Dolev Raviv
Tested-by: Dolev Raviv dra...@codeaurora.org There is a possible race condition in the hardware when the abort command is issued to terminate the ongoing SCSI command as described below: - A bit in the door-bell register is set in the controller for a new SCSI command. - In some rare