Thread (1 message) 1 message, 1 author, 2015-05-04

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

From: Suman Tripathi <hidden>
Date: 2015-05-04 04:33:49
Also in: linux-devicetree, linux-ide, linux-scsi

Hi Julian,

On Mon, May 4, 2015 at 8:52 AM, Julian Calaby [off-list ref] wrote:
Hi Suman,

On Mon, May 4, 2015 at 12:51 PM, Suman Tripathi [off-list ref] wrote:
quoted
Hi Julian.

On Mon, May 4, 2015 at 5:56 AM, Julian Calaby [off-list ref] wrote:
quoted
Hi Suman,

On Mon, May 4, 2015 at 1:33 AM, Suman Tripathi [off-list ref] wrote:
quoted
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.
I'm sorry, I read the description and assumed that these fixes were
being removed from the driver, hence breaking support for the 1st
hardware version.

Sorry for the confusion.
No probs ..
Thanks,

--
Julian Calaby

Email: julian.calaby at gmail.com
Profile: http://www.google.com/profiles/julian.calaby/


-- 
Thanks,
with regards,
Suman Tripathi
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