Re: [PATCH v3] ahci_xgene: Fix the dma state machine lockup for the ATA_CMD_SMART PIO mode command.

2015-02-03 Thread Tejun Heo
On Mon, Feb 02, 2015 at 11:37:19PM +0530, Suman Tripathi wrote: > This patch addresses the issue with ATA_CMD_SMART pio mode > command for enumeration and device detection with ATA devices. > The X-Gene AHCI controller has an errata in which it cannot clear > the BSY bit after the PIO setup FIS. Th

Re: [PATCH v3] ahci_xgene: Fix the dma state machine lockup for the ATA_CMD_SMART PIO mode command.

2015-02-03 Thread Suman Tripathi
Ugh, please avoid using HTML when posting to the lists hosted on vger.kernel.org -- it's configured to ignore such mails AFAIK. Yeah forgot to set the plain text mode. Sorry for that >>> This patch addresses the issue with ATA_CMD_SMART pio mode >>> command for enumeration and device de

Re: [PATCH v3] ahci_xgene: Fix the dma state machine lockup for the ATA_CMD_SMART PIO mode command.

2015-02-02 Thread Suman Tripathi
Ugh, please avoid using HTML when posting to the lists hosted on vger.kernel.org -- it's configured to ignore such mails AFAIK. Yeah forgot to set the plain text mode. Sorry for that >>> This patch addresses the issue with ATA_CMD_SMART pio mode >>> command for enumeration and device de

Re: [PATCH v3] ahci_xgene: Fix the dma state machine lockup for the ATA_CMD_SMART PIO mode command.

2015-02-02 Thread Sergei Shtylyov
On 02/02/2015 10:37 PM, Suman Tripathi wrote: Ugh, please avoid using HTML when posting to the lists hosted on vger.kernel.org -- it's configured to ignore such mails AFAIK. This patch addresses the issue with ATA_CMD_SMART pio mode command for enumeration and device detection with

Re: [PATCH v3] ahci_xgene: Fix the dma state machine lockup for the ATA_CMD_SMART PIO mode command.

2015-02-02 Thread Sergei Shtylyov
Hello. On 02/02/2015 09:07 PM, Suman Tripathi wrote: This patch addresses the issue with ATA_CMD_SMART pio mode command for enumeration and device detection with ATA 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 mac

[PATCH v3] ahci_xgene: Fix the dma state machine lockup for the ATA_CMD_SMART PIO mode command.

2015-02-02 Thread Suman Tripathi
This patch addresses the issue with ATA_CMD_SMART pio mode command for enumeration and device detection with ATA 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. It is