* [PATCH v2] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks
@ 2021-01-09 16:56 Konrad Dybcio
2021-01-12 19:03 ` Will Deacon
0 siblings, 1 reply; 2+ messages in thread
From: Konrad Dybcio @ 2021-01-09 16:56 UTC (permalink / raw)
To: phone-devel
Cc: Sai Prakash Ranjan, John Stultz, linux-kernel, Robin Murphy,
Joerg Roedel, Konrad Dybcio, iommu, Bjorn Andersson,
Jordan Crouse, martin.botka, ~postmarketos/upstreaming,
angelogioacchino.delregno, marijn.suijten, Will Deacon,
linux-arm-kernel
SDM630 and MSM8998 are among the SoCs that use Qualcomm's implementation
of SMMUv2 which has already proven to be problematic over the years. Add
their compatibles to the lookup list to prevent the platforms from being
shut down by the hypervisor at MMU probe.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
---
Changes since v1:
- Sort the compatibles alphabetically
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 5dff7ffbef11..a833db93e7ff 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -323,7 +323,9 @@ static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu,
}
static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
+ { .compatible = "qcom,msm8998-smmu-v2" },
{ .compatible = "qcom,sc7180-smmu-500" },
+ { .compatible = "qcom,sdm630-smmu-v2" },
{ .compatible = "qcom,sdm845-smmu-500" },
{ .compatible = "qcom,sm8150-smmu-500" },
{ .compatible = "qcom,sm8250-smmu-500" },
--
2.29.2
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks
2021-01-09 16:56 [PATCH v2] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks Konrad Dybcio
@ 2021-01-12 19:03 ` Will Deacon
0 siblings, 0 replies; 2+ messages in thread
From: Will Deacon @ 2021-01-12 19:03 UTC (permalink / raw)
To: Konrad Dybcio, phone-devel
Cc: Sai Prakash Ranjan, John Stultz, Will Deacon, catalin.marinas,
Joerg Roedel, Robin Murphy, iommu, linux-kernel, Jordan Crouse,
martin.botka, ~postmarketos/upstreaming,
angelogioacchino.delregno, marijn.suijten, Bjorn Andersson,
kernel-team, linux-arm-kernel
On Sat, 9 Jan 2021 17:56:21 +0100, Konrad Dybcio wrote:
> SDM630 and MSM8998 are among the SoCs that use Qualcomm's implementation
> of SMMUv2 which has already proven to be problematic over the years. Add
> their compatibles to the lookup list to prevent the platforms from being
> shut down by the hypervisor at MMU probe.
Applied to arm64 (for-next/iommu/fixes), thanks!
[1/1] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks
https://git.kernel.org/arm64/c/b812834b5329
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-01-12 19:05 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-09 16:56 [PATCH v2] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks Konrad Dybcio
2021-01-12 19:03 ` Will Deacon
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).