From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 041A3CA9ECF for ; Mon, 4 Nov 2019 05:15:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B2D3121D7D for ; Mon, 4 Nov 2019 05:15:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572844529; bh=WjenxwOfbFdonCWAZjlYxuQ3uVb8wnM5xvZRj3umGWg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=pDgofyLKE+jN76yvVc0oVp6TEDV5UcY0lSc1cdOT6XGLEF24cB8sE6Uy7FjrwyOUi 11lrl0ERd6VE4kcah8AKQMs/KJfRDmCjc5BzXNfnXn+kOAoCQ26arD6GULdH0YwPKz PzW/kwzJzV+EcwDmBd1r47uBJnmplrzLBmIlwD1M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726248AbfKDFP3 (ORCPT ); Mon, 4 Nov 2019 00:15:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:41040 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725857AbfKDFP2 (ORCPT ); Mon, 4 Nov 2019 00:15:28 -0500 Received: from localhost (mobile-107-92-63-247.mycingular.net [107.92.63.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9E63A21929; Mon, 4 Nov 2019 05:15:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572844528; bh=WjenxwOfbFdonCWAZjlYxuQ3uVb8wnM5xvZRj3umGWg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ThOV8Lgk04RSW63GG1r+ZUp2vYF5mUBG+Lb7DCXqhIyERN3OqcQY5vwFO9v/MWbrL QsbXPqg4HekNoCA4yqV9e70dh/dRkeO93TTRUqI5oo6ksNZ6nK66Z1kfAJbo3utgUW j0nZagqRT5mOq5VmbiGTOc35u1V8tPgbBcwO5Pb4= Date: Sun, 3 Nov 2019 23:15:26 -0600 From: Andy Gross To: Sai Prakash Ranjan Cc: Robin Murphy , Will Deacon , Joerg Roedel , iommu@lists.linux-foundation.org, Stephen Boyd , Vivek Gautam , bjorn.andersson@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak Subject: Re: [PATCHv7 2/3] firmware/qcom_scm: Add scm call to handle smmu errata Message-ID: <20191104051526.GA5299@hector.lan> Mail-Followup-To: Sai Prakash Ranjan , Robin Murphy , Will Deacon , Joerg Roedel , iommu@lists.linux-foundation.org, Stephen Boyd , Vivek Gautam , bjorn.andersson@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak References: <30e1aeb6032c869679edc4eb36783468adcc7e40.1568966170.git.saiprakash.ranjan@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <30e1aeb6032c869679edc4eb36783468adcc7e40.1568966170.git.saiprakash.ranjan@codeaurora.org> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Fri, Sep 20, 2019 at 01:34:28PM +0530, Sai Prakash Ranjan wrote: > 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 > Reviewed-by: Stephen Boyd > Signed-off-by: Sai Prakash Ranjan > --- Acked-by: Andy Gross