From: Tomasz Nowicki <tn@semihalf.com>
To: Will Deacon <will@kernel.org>
Cc: devicetree@vger.kernel.org, gregory.clement@bootlin.com,
catalin.marinas@arm.com, hannah@marvell.com,
linux-kernel@vger.kernel.org, nadavh@marvell.com,
iommu@lists.linux-foundation.org, robh+dt@kernel.org,
mw@semihalf.com, robin.murphy@arm.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 0/4] Add system mmu support for Armada-806
Date: Tue, 14 Jul 2020 12:26:30 +0200 [thread overview]
Message-ID: <0d9d734a-84cf-2280-67b6-0c96247e1baf@semihalf.com> (raw)
In-Reply-To: <20200714081949.GA4516@willie-the-truck>
Hi Will,
On 14.07.2020 10:19, Will Deacon wrote:
> Hi Tomasz,
>
> On Thu, Jul 02, 2020 at 10:16:29PM +0200, Tomasz Nowicki wrote:
>> There were already two versions of series to support SMMU for AP806,
>> including workaround for accessing ARM SMMU 64bit registers.
>> First [1] by Hanna Hawa and second [2] by Gregory CLEMENT.
>> Since it got stuck this is yet another try. I incorporated the V2 comments,
>> mainly by moving workaround code to arm-smmu-impl.c as requested.
>>
>> For the record, AP-806 can't access SMMU registers with 64bit width,
>> this patches split the readq/writeq into two 32bit accesses instead
>> and update DT bindings.
>>
>> The series was successfully tested on a vanilla v5.8-rc3 kernel and
>> Intel e1000e PCIe NIC. The same for platform devices like SATA and USB.
>>
>> [1]: https://lkml.org/lkml/2018/10/15/373
>> [2]: https://lkml.org/lkml/2019/7/11/426
>
> Do you have a v4 of this series? It looks like there were a few comments
> left to address, but with that I can pick it up for 5.9.
Yes, I will send it out today.
Thanks,
Tomasz
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prev parent reply other threads:[~2020-07-14 10:26 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-02 20:16 [PATCH v3 0/4] Add system mmu support for Armada-806 Tomasz Nowicki
2020-07-02 20:16 ` [PATCH v3 1/4] iommu/arm-smmu: Add SMMU ID2 register fixup hook Tomasz Nowicki
2020-07-03 8:24 ` Robin Murphy
2020-07-03 9:19 ` Tomasz Nowicki
2020-07-02 20:16 ` [PATCH v3 2/4] iommu/arm-smmu: Workaround for Marvell Armada-AP806 SoC erratum #582743 Tomasz Nowicki
2020-07-03 9:03 ` Robin Murphy
2020-07-03 11:24 ` Tomasz Nowicki
2020-07-02 20:16 ` [PATCH v3 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500 Tomasz Nowicki
2020-07-03 9:05 ` Robin Murphy
2020-07-03 9:26 ` Tomasz Nowicki
2020-07-13 21:36 ` Rob Herring
2020-07-02 20:16 ` [PATCH v3 4/4] arm64: dts: marvell: add SMMU support Tomasz Nowicki
2020-07-03 9:16 ` Robin Murphy
2020-07-03 9:33 ` Tomasz Nowicki
2020-07-03 10:38 ` Marcin Wojtas
2020-07-14 8:19 ` [PATCH v3 0/4] Add system mmu support for Armada-806 Will Deacon
2020-07-14 10:26 ` Tomasz Nowicki [this message]
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