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 <bjorn.andersson@xxxxxxxxxx> > Signed-off-by: Suman Anna <s-anna@xxxxxx> > --- > v2: rebased version, no code changes, patch title adjusted slightly > v1: https://patchwork.kernel.org/project/linux-remoteproc/patch/20180915003725.17549-6-s-anna@xxxxxx/ > > 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 >