From: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
To: Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Sibi Sankar <sibis@codeaurora.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Jordan Crouse <jcrouse@codeaurora.org>,
Rob Clark <robdclark@gmail.com>
Cc: Stephen Boyd <swboyd@chromium.org>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
Matthias Kaehlcke <mka@chromium.org>,
Evan Green <evgreen@chromium.org>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Subject: [PATCHv2 4/6] iommu/arm-smmu-qcom: Request direct mapping for modem device
Date: Mon, 20 Apr 2020 20:07:08 +0530 [thread overview]
Message-ID: <c41f1edd628b5dfa82bb6924f9ad31d9ffc335a7.1587392905.git.saiprakash.ranjan@codeaurora.org> (raw)
In-Reply-To: <cover.1587392905.git.saiprakash.ranjan@codeaurora.org>
From: Sibi Sankar <sibis@codeaurora.org>
Request direct mapping for modem on platforms which don't have TrustZone
(which programs the modem SIDs) to prevent the following global faults seen
on Cheza/Trogdor:
arm-smmu 15000000.iommu: Unexpected global fault, this could be serious
arm-smmu 15000000.iommu: GFSR 0x80000002, GFSYNR0 0x00000000,
GFSYNR1 0x00000781, GFSYNR2 0x00000000
arm-smmu 15000000.iommu: Unexpected global fault, this could be serious
arm-smmu 15000000.iommu: GFSR 0x80000002, GFSYNR0 0x00000000,
GFSYNR1 0x00000461, GFSYNR2 0x00000000
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
---
drivers/iommu/arm-smmu-qcom.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c
index 0b3f159065aa..d74892d3a776 100644
--- a/drivers/iommu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm-smmu-qcom.c
@@ -17,7 +17,9 @@ static const struct of_device_id qcom_smmu_client_of_match[] = {
{ .compatible = "qcom,mdp4" },
{ .compatible = "qcom,mdss" },
{ .compatible = "qcom,sc7180-mdss" },
+ { .compatible = "qcom,sc7180-mss-pil" },
{ .compatible = "qcom,sdm845-mdss" },
+ { .compatible = "qcom,sdm845-mss-pil" },
{ }
};
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2020-04-20 14:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 14:37 [PATCHv2 0/6] iommu/arm-smmu: Allow client devices to select identity mapping Sai Prakash Ranjan
2020-04-20 14:37 ` [PATCHv2 1/6] iommu: arm-smmu-impl: Convert to a generic reset implementation Sai Prakash Ranjan
2020-04-20 14:37 ` [PATCHv2 2/6] iommu/arm-smmu: Allow client devices to select direct mapping Sai Prakash Ranjan
2020-04-20 15:57 ` Robin Murphy
2020-04-20 16:28 ` Sai Prakash Ranjan
2020-04-20 14:37 ` [PATCHv2 3/6] iommu/arm-smmu: Implement iommu_ops->def_domain_type call-back Sai Prakash Ranjan
2020-04-20 15:26 ` Robin Murphy
2020-04-20 16:27 ` Sai Prakash Ranjan
2020-04-20 14:37 ` Sai Prakash Ranjan [this message]
2020-04-20 14:37 ` [PATCHv2 5/6] dt-bindings: remoteproc: qcom: Add iommus property Sai Prakash Ranjan
2020-04-20 14:37 ` [PATCHv2 6/6] arm64: dts: qcom: sdm845-cheza: " Sai Prakash Ranjan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=c41f1edd628b5dfa82bb6924f9ad31d9ffc335a7.1587392905.git.saiprakash.ranjan@codeaurora.org \
--to=saiprakash.ranjan@codeaurora.org \
--cc=bjorn.andersson@linaro.org \
--cc=evgreen@chromium.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jcrouse@codeaurora.org \
--cc=joro@8bytes.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mka@chromium.org \
--cc=robdclark@gmail.com \
--cc=robin.murphy@arm.com \
--cc=sibis@codeaurora.org \
--cc=swboyd@chromium.org \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
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).