From: "Sricharan" <sricharan@codeaurora.org>
To: 'Will Deacon' <will.deacon@arm.com>
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
joro@8bytes.org, robdclark@gmail.com,
iommu@lists.linux-foundation.org, srinivas.kandagatla@linaro.org,
laurent.pinchart@ideasonboard.com, treding@nvidia.com,
'Robin Murphy' <Robin.Murphy@arm.com>,
linux-arm-kernel@lists.infradead.org, stepanm@codeaurora.org
Subject: RE: [PATCH 4/5] iommu/msm: Set cacheability attributes without tex remap
Date: Thu, 13 Aug 2015 12:07:59 +0530 [thread overview]
Message-ID: <000201d0d592$9ce1a740$d6a4f5c0$@codeaurora.org> (raw)
In-Reply-To: <20150812145346.GH23540@arm.com>
Hi Will,
> -----Original Message-----
> From: linux-arm-kernel [mailto:linux-arm-kernel-
> bounces@lists.infradead.org] On Behalf Of Will Deacon
> Sent: Wednesday, August 12, 2015 8:24 PM
> To: Sricharan R
> Cc: devicetree@vger.kernel.org; linux-arm-msm@vger.kernel.org;
> joro@8bytes.org; robdclark@gmail.com; iommu@lists.linux-foundation.org;
> srinivas.kandagatla@linaro.org; laurent.pinchart@ideasonboard.com;
> treding@nvidia.com; Robin Murphy; linux-arm-kernel@lists.infradead.org;
> stepanm@codeaurora.org
> Subject: Re: [PATCH 4/5] iommu/msm: Set cacheability attributes without
tex
> remap
>
> On Wed, Aug 12, 2015 at 03:47:48PM +0100, Sricharan R wrote:
> > The cacheablity attributes are set when IOMMU_CACHE property is true.
> > So cachebility is set as either noncached (normal) or cached (normal
> > WBWA) directly and avoid setting using tex remap.
>
> Does this IOMMU support the ARMv7 short descriptor format? If so, would it
> work with Yong's patch here:
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-
> August/361615.html
>
> I've not gotten around to reviewing the latest version yet, but having
other
> IOMMUs consolidate on one set of page table code would be a good thing.
Yes, this is ARMv7 short descriptor complaint. I will rebase the next
one the
above. That should reduce more code in this driver. Thanks.
Regards,
Sricharan
WARNING: multiple messages have this Message-ID (diff)
From: sricharan@codeaurora.org (Sricharan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/5] iommu/msm: Set cacheability attributes without tex remap
Date: Thu, 13 Aug 2015 12:07:59 +0530 [thread overview]
Message-ID: <000201d0d592$9ce1a740$d6a4f5c0$@codeaurora.org> (raw)
In-Reply-To: <20150812145346.GH23540@arm.com>
Hi Will,
> -----Original Message-----
> From: linux-arm-kernel [mailto:linux-arm-kernel-
> bounces at lists.infradead.org] On Behalf Of Will Deacon
> Sent: Wednesday, August 12, 2015 8:24 PM
> To: Sricharan R
> Cc: devicetree at vger.kernel.org; linux-arm-msm at vger.kernel.org;
> joro at 8bytes.org; robdclark at gmail.com; iommu at lists.linux-foundation.org;
> srinivas.kandagatla at linaro.org; laurent.pinchart at ideasonboard.com;
> treding at nvidia.com; Robin Murphy; linux-arm-kernel at lists.infradead.org;
> stepanm at codeaurora.org
> Subject: Re: [PATCH 4/5] iommu/msm: Set cacheability attributes without
tex
> remap
>
> On Wed, Aug 12, 2015 at 03:47:48PM +0100, Sricharan R wrote:
> > The cacheablity attributes are set when IOMMU_CACHE property is true.
> > So cachebility is set as either noncached (normal) or cached (normal
> > WBWA) directly and avoid setting using tex remap.
>
> Does this IOMMU support the ARMv7 short descriptor format? If so, would it
> work with Yong's patch here:
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-
> August/361615.html
>
> I've not gotten around to reviewing the latest version yet, but having
other
> IOMMUs consolidate on one set of page table code would be a good thing.
Yes, this is ARMv7 short descriptor complaint. I will rebase the next
one the
above. That should reduce more code in this driver. Thanks.
Regards,
Sricharan
next prev parent reply other threads:[~2015-08-13 6:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 14:47 [PATCH 0/5] iommu/msm: Add DT adaptation and generic bindings support Sricharan R
2015-08-12 14:47 ` Sricharan R
2015-08-12 14:47 ` [PATCH 1/5] iommu/msm: Add DT adaptation Sricharan R
2015-08-12 14:47 ` Sricharan R
2015-08-12 14:47 ` [PATCH 2/5] iommu/msm: Move the contents from msm_iommu_dev.c to msm_iommu.c Sricharan R
2015-08-12 14:47 ` Sricharan R
[not found] ` <1439390869-6347-1-git-send-email-sricharan-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-08-12 14:47 ` [PATCH 3/5] iommu/msm: Add support for generic master bindings Sricharan R
2015-08-12 14:47 ` Sricharan R
2015-08-12 19:11 ` Stephen Boyd
2015-08-12 19:11 ` Stephen Boyd
[not found] ` <55CB9A7D.7080206-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-08-13 8:09 ` Sricharan
2015-08-13 8:09 ` Sricharan
2015-08-12 14:47 ` [PATCH 4/5] iommu/msm: Set cacheability attributes without tex remap Sricharan R
2015-08-12 14:47 ` Sricharan R
2015-08-12 14:53 ` Will Deacon
2015-08-12 14:53 ` Will Deacon
2015-08-13 6:37 ` Sricharan [this message]
2015-08-13 6:37 ` Sricharan
2015-08-12 14:47 ` [PATCH 5/5] iommu/msm: Remove driver BROKEN Sricharan R
2015-08-12 14:47 ` Sricharan R
2015-08-14 9:30 ` [PATCH 0/5] iommu/msm: Add DT adaptation and generic bindings support Srinivas Kandagatla
2015-08-14 9:30 ` Srinivas Kandagatla
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