From: Hanjun Guo <hanjun.guo@linaro.org>
To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>,
Geetha sowjanya <gakula@caviumnetworks.com>,
"will.deacon@arm.com" <will.deacon@arm.com>,
"robin.murphy@arm.com" <robin.murphy@arm.com>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"sudeep.holla@arm.com" <sudeep.holla@arm.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>
Cc: "Charles.Garcia-Tobin@arm.com" <Charles.Garcia-Tobin@arm.com>,
Geetha Sowjanya <geethasowjanya.akula@cavium.com>,
"geethasowjanya.akula@gmail.com" <geethasowjanya.akula@gmail.com>,
"jcm@redhat.com" <jcm@redhat.com>,
"linu.cherian@cavium.com" <linu.cherian@cavium.com>,
"rjw@rjwysocki.net" <rjw@rjwysocki.net>,
"robert.moore@intel.com" <robert.moore@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"robert.richter@cavium.com" <robert.richter@cavium.com>,
"lv.zheng@intel.com" <lv.zheng@intel.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"sgoutham@cavium.com" <sgoutham@cavium.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"devel@acpica.org" <devel@acpica.org>
Subject: Re: [v6 2/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #74
Date: Tue, 6 Jun 2017 17:38:37 +0800 [thread overview]
Message-ID: <9ab6fba9-5270-a618-d149-2e4c11d4cbf6@linaro.org> (raw)
In-Reply-To: <5FC3163CFD30C246ABAA99954A238FA838351762@FRAEML521-MBX.china.huawei.com>
On 2017/5/17 18:13, Shameerali Kolothum Thodi wrote:
>> #ifdef CONFIG_ACPI
>> +static void acpi_smmu_get_options(u32 model, struct arm_smmu_device
>> +*smmu) {
>> + if (model == ACPI_IORT_SMMU_CAVIUM_CN99XX)
>> + smmu->options |= ARM_SMMU_OPT_PAGE0_REGS_ONLY;
>
> HiSIlicon hip06/07 boards have a similar existing option to enable,
> ARM_SMMU_OPT_SKIP_PREFETCH. I have just sent out a similar patch to enable
> It-" [PATCH] iommu/arm-smmu-v3: Enable ACPI based HiSilicon CMD_PREFETCH
> quirk(erratum 161010701)". May be it can be merged here, if this series goes through.
> Not sure about the protocol though.
I think you can add a patch on top of Geetha's, and clarify
the dependency in the change log, then it will be easy for
maintainer to apply.
Thanks
Hanjun
next prev parent reply other threads:[~2017-06-06 9:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-12 12:41 [v6 0/3] Cavium ThunderX2 SMMUv3 errata workarounds Geetha sowjanya
2017-05-12 12:41 ` [v6 1/3] ACPI/IORT: Fixup SMMUv3 resource size for Cavium ThunderX2 SMMUv3 model Geetha sowjanya
2017-05-13 0:33 ` kbuild test robot
2017-05-13 3:18 ` Geetha Akula
2017-05-12 12:41 ` [v6 2/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #74 Geetha sowjanya
2017-05-13 1:04 ` kbuild test robot
2017-05-16 0:15 ` Rob Herring
2017-05-18 13:43 ` Geetha Akula
2017-05-17 10:13 ` Shameerali Kolothum Thodi
2017-06-06 9:38 ` Hanjun Guo [this message]
2017-05-12 12:41 ` [v6 3/3] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126 Geetha sowjanya
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