[PATCH v3 2/2] ata: ahci_xgene: Add AHCI Support for 2nd HW version of APM X-Gene SoC AHCI SATA Host controller.

Suman Tripathi stripathi at apm.com
Sun May 3 19:51:32 PDT 2015

Hi Julian.

On Mon, May 4, 2015 at 5:56 AM, Julian Calaby <julian.calaby at gmail.com> wrote:
> Hi Suman,
> On Mon, May 4, 2015 at 1:33 AM, Suman Tripathi <stripathi at apm.com> wrote:
>> This patch enables full AHCI feature support for APM X-Gene SoC SATA
>> host controller. The following errata's are removed:
>> 1. 2a0bdff6b95 ("ahci-xgene: fix the dma state machine lockup for the
>>                  IDENTIFY DEVICE PIO mode command")
>> 2. 09c32aaa368 ("ahci_xgene: Fix the dma state machine lockup for the
>>                  ATA_CMD_SMART PIO mode command")
>> 3. 1540035da71 ("ahci_xgene: Implement the xgene_ahci_poll_reg_val to
>>                  support PMP")
>> 4. a3a84bc7c88 ("ahci_xgene: Implement the workaround to support PMP
>>                  enumeration and discovery")
>> 5. 1102407bb71 ("ahci_xgene: Fix the DMA state machine lockup for the
>>                  ATA_CMD_PACKET PIO mode command")
>> 6. 72f79f9e35b ("ahci_xgene: Removing NCQ support from the APM X-Gene
>>                 SoC AHCI SATA Host Controller driver")
> Won't this mean that the 1st HW version won't work properly?

No it doesn't mean that, It means whatever workaround we had in 1st HW
version has been
fixed in 2nd HW version.

> Thanks,
> --
> Julian Calaby
> Email: julian.calaby at gmail.com
> Profile: http://www.google.com/profiles/julian.calaby/

with regards,
Suman Tripathi

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