Re: [PATCH v4 2/2] ata: Fix the dma state machine lockup for the IDENTIFY DEVICE PIO mode command.

2014-06-24 Thread Tejun Heo
Hello, On Mon, Jun 23, 2014 at 03:23:13PM +0530, Suman Tripathi wrote: > This patch fixes the dma state machine lockup due to the processing > of IDENTIFY DEVICE PIO mode command. The X-Gene AHCI controller > has an errata in which it cannot clear the BSY bit after > receiving the PIO setup FIS an

[PATCH v4 2/2] ata: Fix the dma state machine lockup for the IDENTIFY DEVICE PIO mode command.

2014-06-23 Thread Suman Tripathi
This patch fixes the dma state machine lockup due to the processing of IDENTIFY DEVICE PIO mode command. The X-Gene AHCI controller has an errata in which it cannot clear the BSY bit after receiving the PIO setup FIS and results the dma state machine to go into the CMFatalErrorUpdate state resultin