Message ID | 1418748575-27301-3-git-send-email-stripathi@apm.com |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show |
Hello. On 12/16/2014 07:49 PM, Suman Tripathi wrote: > This patch addresses the issue with ATA_CMD_PACKET pio mode > command for enumeration and device detection with ATAPI devices.It is the > same issue as in patch > www.spinics.net/lists/linux-ide/msg49092.html > Signed-off-by: Suman Tripathi <stripathi@apm.com> > --- > drivers/ata/ahci_xgene.c | 12 +++++++----- > 1 file changed, 7 insertions(+), 5 deletions(-) > diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c > index 0ffd3c9..9730907 100644 > --- a/drivers/ata/ahci_xgene.c > +++ b/drivers/ata/ahci_xgene.c > @@ -125,10 +125,11 @@ static int xgene_ahci_restart_engine(struct ata_port *ap) > * xgene_ahci_qc_issue - Issue commands to the device > * @qc: Command to issue > * > - * Due to Hardware errata for IDENTIFY DEVICE command, the controller cannot > - * clear the BSY bit after receiving the PIO setup FIS. This results in the dma > - * state machine goes into the CMFatalErrorUpdate state and locks up. By > - * restarting the dma engine, it removes the controller out of lock up state. > + * Due to Hardware errata for IDENTIFY DEVICE command and COMMAND PACKET Just PACKET. > + * command of ATAPI protocol set, the controller cannot clear the BSY bit > + * after receiving the PIO setup FIS. This results in the dma state machine DMA. > + * goes into the CMFatalErrorUpdate state and locks up. By restarting the s/goes/going/. > + * dma engine, it removes the controller out of lock up state. DMA again. > */ > static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc) > { [...] MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hello. On 12/17/2014 08:21 AM, Suman Tripathi wrote: > This patch addresses the issue with ATA_CMD_PACKET pio mode > command for enumeration and device detection with ATAPI devices.It is the > same issue as in patch Ugh, HTML... Please stick to plain text when posting to the 'vger.kernel.org' mailing lists (HTML mails are supposed to be ignored). > www.spinics.net/lists/linux-__ide/msg49092.html > <http://www.spinics.net/lists/linux-ide/msg49092.html> > > > Signed-off-by: Suman Tripathi <stripathi@apm.com <mailto:stripathi@apm.com>> > --- > drivers/ata/ahci_xgene.c | 12 +++++++----- > 1 file changed, 7 insertions(+), 5 deletions(-) > > > diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c > index 0ffd3c9..9730907 100644 > --- a/drivers/ata/ahci_xgene.c > +++ b/drivers/ata/ahci_xgene.c > @@ -125,10 +125,11 @@ static int xgene_ahci_restart_engine(__struct > ata_port *ap) > * xgene_ahci_qc_issue - Issue commands to the device > * @qc: Command to issue > * > - * Due to Hardware errata for IDENTIFY DEVICE command, the controller cannot > - * clear the BSY bit after receiving the PIO setup FIS. This results in > the dma > - * state machine goes into the CMFatalErrorUpdate state and locks up. By > - * restarting the dma engine, it removes the controller out of lock up state. > + * Due to Hardware errata for IDENTIFY DEVICE command and COMMAND PACKET > > > Just PACKET. > > + * command of ATAPI protocol set, the controller cannot clear the BSY bit > + * after receiving the PIO setup FIS. This results in the dma state machine > > > DMA. > > + * goes into the CMFatalErrorUpdate state and locks up. By restarting the > s/goes/going/. > [suman] : Didn't understand this. Do you mean to change to going ? It's a 'sed' command to replace "goes" by "going" IIRC. Yes. Also, s/locks/locking/. > It is already goes there. > [...] > Thanks, > with regards, > suman MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hello. On 12/29/2014 8:35 AM, Suman Tripathi wrote: > This patch addresses the issue with ATA_CMD_PACKET pio mode > command for enumeration and device detection with ATAPI devices.It is the > same issue as in patch > Ugh, HTML... Please stick to plain text when posting to the > 'vger.kernel.org <http://vger.kernel.org/>' mailing lists (HTML mails are > supposed to be ignored). > www.spinics.net/lists/linux-____ide/msg49092.html > <http://www.spinics.net/lists/linux-__ide/msg49092.html> > <http://www.spinics.net/lists/__linux-ide/msg49092.html > <http://www.spinics.net/lists/linux-ide/msg49092.html>> > This is something strange. I posted it in plain text only. Because when I do > show original of the patch in gmail, it shows me the plaintext. > Please help me out to figure the issue. I saw many other patches referred in > the same way. I am sending the patch through git-send-email that sends in > plain text format only, The patch was OK, but your replies do use HTML (as well as plain text). > Signed-off-by: Suman Tripathi <stripathi@apm.com > <mailto:stripathi@apm.com> <mailto:stripathi@apm.com > <mailto:stripathi@apm.com>>> > -- > Thanks, > with regards, > Suman Tripathi MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Dec 16, 2014 at 10:19:35PM +0530, Suman Tripathi wrote: > This patch addresses the issue with ATA_CMD_PACKET pio mode > command for enumeration and device detection with ATAPI devices.It is the > same issue as in patch > > www.spinics.net/lists/linux-ide/msg49092.html > > Signed-off-by: Suman Tripathi <stripathi@apm.com> Applied 1-2 to libata/for-3.18-fixes w/ Sergei's suggested edits. Thanks.
Hi On Tue, Dec 16, 2014 at 10:19:35PM +0530, Suman Tripathi wrote: > This patch addresses the issue with ATA_CMD_PACKET pio mode > command for enumeration and device detection with ATAPI devices.It is the > same issue as in patch > > www.spinics.net/lists/linux-ide/msg49092.html > > Signed-off-by: Suman Tripathi <stripathi@apm.com> Applied 1-2 to libata/for-3.18-fixes w/ Sergei's suggested edits. The patch is applied to libata/for-3.19-fixes not libata/for-3.18-fixes ?? On Mon, Jan 5, 2015 at 7:29 PM, Tejun Heo <tj@kernel.org> wrote: > On Tue, Dec 16, 2014 at 10:19:35PM +0530, Suman Tripathi wrote: >> This patch addresses the issue with ATA_CMD_PACKET pio mode >> command for enumeration and device detection with ATAPI devices.It is the >> same issue as in patch >> >> www.spinics.net/lists/linux-ide/msg49092.html >> >> Signed-off-by: Suman Tripathi <stripathi@apm.com> > > Applied 1-2 to libata/for-3.18-fixes w/ Sergei's suggested edits. > > Thanks. > > -- > tejun
On Tue, Jan 06, 2015 at 01:51:15PM +0530, Suman Tripathi wrote: > Hi > > On Tue, Dec 16, 2014 at 10:19:35PM +0530, Suman Tripathi wrote: > > This patch addresses the issue with ATA_CMD_PACKET pio mode > > command for enumeration and device detection with ATAPI devices.It is the > > same issue as in patch > > > > www.spinics.net/lists/linux-ide/msg49092.html > > > > Signed-off-by: Suman Tripathi <stripathi@apm.com> > > Applied 1-2 to libata/for-3.18-fixes w/ Sergei's suggested edits. > > The patch is applied to libata/for-3.19-fixes not libata/for-3.18-fixes ?? Yeap, brainfart. libata/for-3.19-fixes is the right one. Thanks.
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index 0ffd3c9..9730907 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -125,10 +125,11 @@ static int xgene_ahci_restart_engine(struct ata_port *ap) * xgene_ahci_qc_issue - Issue commands to the device * @qc: Command to issue * - * Due to Hardware errata for IDENTIFY DEVICE command, the controller cannot - * clear the BSY bit after receiving the PIO setup FIS. This results in the dma - * state machine goes into the CMFatalErrorUpdate state and locks up. By - * restarting the dma engine, it removes the controller out of lock up state. + * Due to Hardware errata for IDENTIFY DEVICE command and COMMAND PACKET + * command of ATAPI protocol set, the controller cannot clear the BSY bit + * after receiving the PIO setup FIS. This results in the dma state machine + * goes into the CMFatalErrorUpdate state and locks up. By restarting the + * dma engine, it removes the controller out of lock up state. */ static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc) { @@ -137,7 +138,8 @@ static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc) struct xgene_ahci_context *ctx = hpriv->plat_data; int rc = 0; - if (unlikely(ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA)) + if (unlikely((ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA) || + (ctx->last_cmd[ap->port_no] == ATA_CMD_PACKET))) xgene_ahci_restart_engine(ap); rc = ahci_qc_issue(qc);
This patch addresses the issue with ATA_CMD_PACKET pio mode command for enumeration and device detection with ATAPI devices.It is the same issue as in patch www.spinics.net/lists/linux-ide/msg49092.html Signed-off-by: Suman Tripathi <stripathi@apm.com> --- drivers/ata/ahci_xgene.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html