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=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 ED87EC433E0 for ; Mon, 1 Mar 2021 12:23:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B885B64E31 for ; Mon, 1 Mar 2021 12:23:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233958AbhCAMXh (ORCPT ); Mon, 1 Mar 2021 07:23:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:44472 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234111AbhCAMX2 (ORCPT ); Mon, 1 Mar 2021 07:23:28 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id DA00664E41; Mon, 1 Mar 2021 12:22:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614601368; bh=4yWe+5hkSngpWJ3aj8NWz5F8YvmcERdGrEWtPcHl/bM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=sP8t6O+7yAG+dsNGhYnj/Qmg9L4qw4++/ZhFgTAz1CvSYBgHiSPWTKzQwHwAoAx5i 58H7jfBw1WLqzPWMmrXHw5vmj8IkXVXYk2VNQjxu0G0XS3xSmG4DgOPUBQA8GdGjst XDvWud+9NAKQNe8TGSMp9SrmdoNMqHw+RBPXYGXQ= Date: Mon, 1 Mar 2021 13:22:45 +0100 From: Greg KH To: Suzuki K Poulose Cc: stable@vger.kernel.org, mathieu.poirier@linaro.org, mike.leach@linaro.org, leo.yan@linaro.org Subject: Re: [PATCH] coresight: etm4x: Handle accesses to TRCSTALLCTLR Message-ID: References: <161452028074223@kroah.com> <20210301121549.2994673-1-suzuki.poulose@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210301121549.2994673-1-suzuki.poulose@arm.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Mar 01, 2021 at 12:15:49PM +0000, Suzuki K Poulose wrote: > commit f72896063396b0cb205cbf0fd76ec6ab3ca11c8a upstream > > TRCSTALLCTLR register is only implemented if > > TRCIDR3.STALLCTL == 0b1 > > Make sure the driver touches the register only it is implemented. > > Link: https://lore.kernel.org/r/20210127184617.3684379-1-suzuki.poulose@arm.com > Cc: stable@vger.kernel.org # v5.11- > Cc: Mathieu Poirier > Cc: Mike Leach > Cc: Leo Yan > Signed-off-by: Suzuki K Poulose > --- > drivers/hwtracing/coresight/coresight-etm4x-core.c | 9 ++++++--- > drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 2 +- > 2 files changed, 7 insertions(+), 4 deletions(-) Now queued up to 5.10.y and 5.11.y, thanks. greg k-h