[PATCH v1 0/2]ata: Fix the dma state machine lockup for APM X-Gene SoC

Ming Lei ming.lei at canonical.com
Fri Jun 13 01:20:14 PDT 2014


Hi Suman,

On Thu, Jun 12, 2014 at 7:59 PM, Suman Tripathi <stripathi at apm.com> wrote:
> Suman Tripathi (2):
>   libahci: Implement the function ahci_restart_engine to restart the
>     port dma engine.
>   ata: Fix the dma state machine lockup for the PIO mode commands.
>
>  drivers/ata/ahci.h       |  3 +++
>  drivers/ata/ahci_xgene.c | 17 +++--------------
>  drivers/ata/libahci.c    | 43 +++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 49 insertions(+), 14 deletions(-)

Looks the patch doesn't fix the issue of booting hang on my
mustang board.

And the ata failure message still can be seen.


Thanks,
--
Ming Lei



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