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From: Vivek Gautam <vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org,
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Subject: Re: [PATCH v5 5/6] iommu/arm-smmu: Add support for qcom, smmu-v2 variant
Date: Fri, 12 Jan 2018 10:59:17 +0530	[thread overview]
Message-ID: <e1ef7c93-aba4-e5e7-bb49-552316274439@codeaurora.org> (raw)
In-Reply-To: <20180111222304.js3c3vrx3u5j3hvj@rob-hp-laptop>

Hi Rob,


On 01/12/2018 03:53 AM, Rob Herring wrote:
> On Tue, Jan 09, 2018 at 03:31:48PM +0530, Vivek Gautam wrote:
>> qcom,smmu-v2 is an arm,smmu-v2 implementation with specific
>> clock and power requirements. This smmu core is used with
>> multiple masters on msm8996, viz. mdss, video, etc.
>> Add bindings for the same.
>>
>> Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
>> ---
>>
>>   * Major change in this patch -
>>     Changed compatible string from 'qcom,msm8996-smmu-v2' to
>>     'qcom,smmu-v2' to reflect the IP version rather than the
>>     platform on which it is used.
> The bugs and how things are connected are all the same? I'd suggest you
> keep both strings.

Sure,
     compatible = "qcom,msm8996-smmu-v2", "qcom,smmu-v2";

>
>>     The same IP is used across multiple platforms including msm8996,
>>     and sdm845 etc.
> But for only 2 or so platforms a fallback is not really worth it. You'll
> probably be on SMMUv3 before too long...
Right. There's msm8998 as well, but as you said keeping both strings
will make more sense.
Thanks.

Best regards
Vivek

[snip]

-- 
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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  reply	other threads:[~2018-01-12  5:29 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-09 10:01 [PATCH v5 0/6] iommu/arm-smmu: Add runtime pm/sleep support Vivek Gautam
     [not found] ` <1515492109-753-1-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-09 10:01   ` [PATCH v5 1/6] base: power: runtime: Export pm_runtime_get/put_suppliers Vivek Gautam
     [not found]     ` <1515492109-753-2-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-11 22:53       ` Rafael J. Wysocki
     [not found]         ` <CAJZ5v0h-+r3_xxjkgavza8SLAKSnUsXCRqn7PHxSVpeVnCkwHA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-12  5:47           ` Vivek Gautam
2018-01-09 10:01   ` [PATCH v5 2/6] iommu/arm-smmu: Add pm_runtime/sleep ops Vivek Gautam
2018-01-09 10:01   ` [PATCH v5 3/6] iommu/arm-smmu: Invoke pm_runtime during probe, add/remove device Vivek Gautam
2018-01-09 10:01   ` [PATCH v5 5/6] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Vivek Gautam
     [not found]     ` <1515492109-753-6-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-11 22:23       ` [PATCH v5 5/6] iommu/arm-smmu: Add support for qcom, smmu-v2 variant Rob Herring
2018-01-12  5:29         ` Vivek Gautam [this message]
2018-01-09 10:01   ` [PATCH v5 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers Vivek Gautam
2018-01-09 10:01 ` [PATCH v5 4/6] iommu/arm-smmu: Add the device_link between masters and smmu Vivek Gautam
2018-01-09 11:23 ` [PATCH v5 0/6] iommu/arm-smmu: Add runtime pm/sleep support Rafael J. Wysocki
     [not found]   ` <1568773.GtDhb2pIXv-yvgW3jdyMHm1GS7QM15AGw@public.gmane.org>
2018-01-09 11:49     ` Vivek Gautam

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