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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id w14sm2688442oou.16.2020.11.20.19.39.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Nov 2020 19:39:40 -0800 (PST) Date: Fri, 20 Nov 2020 21:39:38 -0600 From: Bjorn Andersson To: Suman Anna Cc: Mathieu Poirier , Arnaud Pouliquen , Loic Pallardy , Grzegorz Jaszczyk , Tony Lindgren , linux-remoteproc@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/3] remoteproc: wkup_m3: Set deny_sysfs_ops flag Message-ID: <20201121033938.GH9177@builder.lan> References: <20201121030156.22857-1-s-anna@ti.com> <20201121030156.22857-4-s-anna@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201121030156.22857-4-s-anna@ti.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 20 Nov 21:01 CST 2020, Suman Anna wrote: > The Wakeup M3 remote processor is controlled by the wkup_m3_ipc > client driver, so set the newly introduced 'deny_sysfs_ops' flag > to not allow any overriding of the remoteproc firmware or state > from userspace. > Reviewed-by: Bjorn Andersson > Signed-off-by: Suman Anna > --- > v2: rebased version, no code changes, patch title adjusted slightly > v1: https://patchwork.kernel.org/project/linux-remoteproc/patch/20180915003725.17549-6-s-anna@ti.com/ > > drivers/remoteproc/wkup_m3_rproc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c > index b9349d684258..d92d7f32ba8d 100644 > --- a/drivers/remoteproc/wkup_m3_rproc.c > +++ b/drivers/remoteproc/wkup_m3_rproc.c > @@ -160,6 +160,7 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev) > } > > rproc->auto_boot = false; > + rproc->deny_sysfs_ops = true; > > wkupm3 = rproc->priv; > wkupm3->rproc = rproc; > -- > 2.28.0 >