[PATCH v3 2/2] ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command.

Tejun Heo tj at kernel.org
Mon Jan 5 06:03:48 PST 2015

On Mon, Dec 29, 2014 at 08:52:47AM +0530, Suman Tripathi wrote:
> This patch addresses the issue with ATA_CMD_PACKET pio mode
> command for enumeration and device detection with ATAPI devices.
> The X-Gene AHCI controller has an errata in which it cannot clear
> the BSY bit after the PIO setup FIS. The dma state machine enters
> CMFatalErrorUpdate state and locks up.
> Signed-off-by: Suman Tripathi <stripathi at apm.com>

Ah, you already posted the updated versions.  Applied these instead.



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