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=-5.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 AE175CA9EB5 for ; Mon, 4 Nov 2019 16:28:37 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 801692089C for ; Mon, 4 Nov 2019 16:28:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ThOV8Lgk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 801692089C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 39DBFEAF; Mon, 4 Nov 2019 16:28:37 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 7E9F4B1F for ; Mon, 4 Nov 2019 05:15:29 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 7F36B5D0 for ; Mon, 4 Nov 2019 05:15:28 +0000 (UTC) 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 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-Disposition: inline In-Reply-To: <30e1aeb6032c869679edc4eb36783468adcc7e40.1568966170.git.saiprakash.ranjan@codeaurora.org> User-Agent: Mutt/1.5.23.1 (2014-03-12) X-Mailman-Approved-At: Mon, 04 Nov 2019 16:28:36 +0000 Cc: Rajendra Nayak , Robin Murphy , linux-kernel@vger.kernel.org, Stephen Boyd , iommu@lists.linux-foundation.org, Vivek Gautam , linux-arm-msm@vger.kernel.org, bjorn.andersson@linaro.org, Will Deacon 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 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 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu