From: thunder.leizhen@huawei•com (leizhen)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH RFC v1 1/2] documentation/iommu: Add description of Hisilicon System MMU binding
Date: Wed, 11 Jun 2014 16:12:26 +0800 [thread overview]
Message-ID: <53980F6A.5010209@huawei.com> (raw)
In-Reply-To: <20140606110652.GB4116@e103592.cambridge.arm.com>
On 2014/6/6 19:07, Dave Martin wrote:
> On Fri, Jun 06, 2014 at 08:48:26AM +0200, Arnd Bergmann wrote:
>> On Thursday 05 June 2014 21:37:09 Zhen Lei wrote:
>>
>>> +- smmu-masters : A list of phandles to device nodes representing bus
>>> + masters for which the SMMU can provide a translation
>>> + and their corresponding StreamIDs (see example below).
>>>
>>
>> We're currently in the process of defining a generic binding for IOMMUs.
>>
>> While the smmu-masters property was copied from an existing binding,
>> I think we will end up migrating away from that towards a common way
>> to express those things, and we shouldn't add another one doing this
>> in a nonstandard way. Please have a look at the latest discussion
>> about the iommu binding using #iommu-cells and a reference from the
>> master to the iommu and see if you can migrate your code to use that.
>
> Thanks for making this point -- I was going to do so yesterday but then
> hesitated due to uncertainty about whether this should really be a new
> driver.
>
> Either way, it would be very valuable at least to attempt to describe
> the Hisilicon SMMU implemenation using the new proposals, since that is
> a good test of how reusable the proposed generic binding actually is.
>
> Cheers
> ---Dave
>
> .
>
Thanks. I adjusted my codes these day, I will send a new patch tommorrow.
next prev parent reply other threads:[~2014-06-11 8:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 13:37 [PATCH RFC v1 0/2] Add support for Hisilicon SMMU architecture Zhen Lei
2014-06-05 13:37 ` [PATCH RFC v1 1/2] documentation/iommu: Add description of Hisilicon System MMU binding Zhen Lei
2014-06-05 15:26 ` Mark Rutland
2014-06-06 6:48 ` Arnd Bergmann
2014-06-06 11:07 ` Dave Martin
2014-06-11 8:12 ` leizhen [this message]
2014-06-16 16:26 ` Will Deacon
2014-06-16 16:42 ` Arnd Bergmann
2014-06-16 16:45 ` Will Deacon
2014-06-16 17:25 ` Arnd Bergmann
2014-06-16 18:26 ` Will Deacon
2014-06-17 7:14 ` Arnd Bergmann
2014-06-17 11:49 ` Thierry Reding
2014-06-18 11:10 ` Varun Sethi
2014-06-18 12:31 ` Will Deacon
2014-06-20 9:54 ` Varun Sethi
2014-06-20 17:49 ` Will Deacon
2014-06-20 18:57 ` Varun Sethi
2014-06-24 14:30 ` Will Deacon
2014-06-17 7:57 ` leizhen
2014-06-16 16:44 ` Arnd Bergmann
2014-06-05 13:37 ` [PATCH RFC v1 2/2] iommu/hisilicon: Add support for Hisilicon Ltd. System MMU architecture Zhen Lei
2014-06-05 15:21 ` [PATCH RFC v1 0/2] Add support for Hisilicon SMMU architecture Mark Rutland
2014-06-06 0:21 ` leizhen
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