[PATCH v3 2/2] ahci_xgene: Fix the DMA state machine lockup for the ATA_CMD_PACKET PIO mode command.
From: tj@kernel.org (Tejun Heo)
Date: 2015-01-05 14:03:51
Also in:
linux-devicetree, linux-ide, linux-scsi
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 <redacted>
Ah, you already posted the updated versions. Applied these instead. Thanks. -- tejun