* [PATCH v3 2/2] ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command.
[not found] ` <1419823367-11279-3-git-send-email-stripathi@apm.com>
@ 2015-01-05 14:03 ` Tejun Heo
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From: Tejun Heo @ 2015-01-05 14:03 UTC (permalink / raw)
To: linux-arm-kernel
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@apm.com>
Ah, you already posted the updated versions. Applied these instead.
Thanks.
--
tejun
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2015-01-05 14:03 ` [PATCH v3 2/2] ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command Tejun Heo
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