From: Stephen Boyd <swboyd@chromium.org>
To: Andy Gross <agross@kernel.org>, Joerg Roedel <joro@8bytes.org>,
Robin Murphy <robin.murphy@arm.com>,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
Vivek Gautam <vivek.gautam@codeaurora.org>,
Will Deacon <will@kernel.org>,
bjorn.andersson@linaro.org, iommu@lists.linux-foundation.org
Cc: linux-arm-msm@vger.kernel.org,
Rajendra Nayak <rnayak@codeaurora.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCHv6 2/3] firmware/qcom_scm: Add scm call to handle smmu errata
Date: Wed, 18 Sep 2019 17:53:25 -0700
Message-ID: <5d82d186.1c69fb81.23c8c.8bf8@mx.google.com> (raw)
In-Reply-To: <01e14fb78bb1e13c235645281b462a548a1de304.1568712606.git.saiprakash.ranjan@codeaurora.org>
Quoting Sai Prakash Ranjan (2019-09-17 02:45:03)
> From: Vivek Gautam <vivek.gautam@codeaurora.org>
>
> Qcom's smmu-500 needs to toggle wait-for-safe sequence to
> handle TLB invalidation sync's.
> Few firmwares allow doing that through SCM interface.
> Add API to toggle wait for safe from firmware through a
> SCM call.
>
> Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> ---
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
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Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-17 9:45 [PATCHv6 0/3] QCOM smmu-500 wait-for-safe handling for sdm845 Sai Prakash Ranjan
2019-09-17 9:45 ` [PATCHv6 1/3] firmware: qcom_scm-64: Add atomic version of qcom_scm_call Sai Prakash Ranjan
2019-09-19 0:50 ` Stephen Boyd
2019-09-17 9:45 ` [PATCHv6 2/3] firmware/qcom_scm: Add scm call to handle smmu errata Sai Prakash Ranjan
2019-09-19 0:53 ` Stephen Boyd [this message]
2019-09-17 9:45 ` [PATCHv6 3/3] iommu: arm-smmu-impl: Add sdm845 implementation hook Sai Prakash Ranjan
2019-09-19 0:25 ` Bjorn Andersson
2019-09-19 0:52 ` Stephen Boyd
2019-09-19 3:18 ` Sai Prakash Ranjan
2019-09-19 18:54 ` Sai Prakash Ranjan
2019-09-19 20:00 ` Stephen Boyd
2019-09-20 7:54 ` Sai Prakash Ranjan
2019-09-19 0:57 ` Stephen Boyd
2019-09-19 3:13 ` Sai Prakash Ranjan
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