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Wed, 18 Sep 2019 17:53:26 -0700 (PDT) Received: from chromium.org ([2620:15c:202:1:fa53:7765:582b:82b9]) by smtp.gmail.com with ESMTPSA id q2sm10846812pfg.144.2019.09.18.17.53.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Sep 2019 17:53:26 -0700 (PDT) Message-ID: <5d82d186.1c69fb81.23c8c.8bf8@mx.google.com> MIME-Version: 1.0 In-Reply-To: <01e14fb78bb1e13c235645281b462a548a1de304.1568712606.git.saiprakash.ranjan@codeaurora.org> References: <01e14fb78bb1e13c235645281b462a548a1de304.1568712606.git.saiprakash.ranjan@codeaurora.org> To: Andy Gross , Joerg Roedel , Robin Murphy , Sai Prakash Ranjan , Vivek Gautam , Will Deacon , bjorn.andersson@linaro.org, iommu@lists.linux-foundation.org From: Stephen Boyd Subject: Re: [PATCHv6 2/3] firmware/qcom_scm: Add scm call to handle smmu errata User-Agent: alot/0.8.1 Date: Wed, 18 Sep 2019 17:53:25 -0700 Cc: linux-arm-msm@vger.kernel.org, Rajendra Nayak , linux-kernel@vger.kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org Quoting Sai Prakash Ranjan (2019-09-17 02:45:03) > From: Vivek Gautam > > 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 > Reviewed-by: Bjorn Andersson > Signed-off-by: Sai Prakash Ranjan > --- Reviewed-by: Stephen Boyd _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu