linux-kernel - Re: [PATCHv7 1/3] firmware: qcom_scm-64: Add atomic version of qcom_scm

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Message-ID: <20191104051636.GB5299@hector.lan>
Date:   Sun, 3 Nov 2019 23:16:36 -0600
From:   Andy Gross <agross@...nel.org>
To:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc:     Robin Murphy <robin.murphy@....com>, Will Deacon <will@...nel.org>,
        Joerg Roedel <joro@...tes.org>,
        iommu@...ts.linux-foundation.org,
        Stephen Boyd <swboyd@...omium.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        bjorn.andersson@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: Re: [PATCHv7 1/3] firmware: qcom_scm-64: Add atomic version of
 qcom_scm_call

On Fri, Sep 20, 2019 at 01:34:27PM +0530, Sai Prakash Ranjan wrote:
> From: Vivek Gautam <vivek.gautam@...eaurora.org>
> 
> There are scnenarios where drivers are required to make a
> scm call in atomic context, such as in one of the qcom's
> arm-smmu-500 errata [1].
> 
> [1] ("https://source.codeaurora.org/quic/la/kernel/msm-4.9/
>       tree/drivers/iommu/arm-smmu.c?h=msm-4.9#n4842")
> 
> Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
> ---

Acked-by: Andy Gross <agross@...nel.org>