From: Tejun Heo <tj@kernel.org>
To: Suman Tripathi <stripathi@apm.com>
Cc: olof@lixom.net, arnd@arndb.de, linux-scsi@vger.kernel.org,
linux-ide@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, mlangsdo@redhat.com,
jcm@redhat.com, patches@apm.com
Subject: Re: [PATCH 2/2] ahci_xgene: Implement the workaround to support PMP enumeration and discovery for APM X-Gene SoC AHCI SATA Host Controller driver.
Date: Mon, 5 Jan 2015 08:59:50 -0500 [thread overview]
Message-ID: <20150105135950.GE15833@htj.dyndns.org> (raw)
In-Reply-To: <20150105133005.GB15833@htj.dyndns.org>
On Mon, Jan 05, 2015 at 08:30:05AM -0500, Tejun Heo wrote:
> On Mon, Jan 05, 2015 at 03:51:45PM +0530, Suman Tripathi wrote:
> > Due to H/W errata, the controller is unable to save the PMP
> > field fetched from command header before sending the H2D FIS.
> > When the device returns the PMP port field in the D2H FIS, there is
> > a mismatch and results in command completion failure. The workaround
> > is to write the pmp value to PxFBS.DEV field before issuing any command
> > to PMP.
> >
> > Signed-off-by: Suman Tripathi <stripathi@apm.com>
>
> Applied 1-2 to libata/for-3.20.
Reverted due to conflicts with the endian fix patches. Please rebase
these two on top of them.
Thanks.
--
tejun
next prev parent reply other threads:[~2015-01-05 13:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1420453305-15986-1-git-send-email-stripathi@apm.com>
2015-01-05 10:21 ` [PATCH 1/2] ahci_xgene: Fix the xgene_ahci_restart_engine function to support Port Multiplier for APM X-Gene SoC AHCI SATA host controller driver Suman Tripathi
2015-01-05 14:50 ` Sergei Shtylyov
2015-01-05 10:21 ` [PATCH 2/2] ahci_xgene: Implement the workaround to support PMP enumeration and discovery for APM X-Gene SoC AHCI SATA Host Controller driver Suman Tripathi
2015-01-05 13:30 ` Tejun Heo
2015-01-05 13:59 ` Tejun Heo [this message]
2015-01-05 14:03 ` Suman Tripathi
2015-01-05 14:05 ` Tejun Heo
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