Hi Arnd, On Fri, Jun 30, 2017 at 11:03 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > On Fri, Jun 30, 2017 at 11:32 AM, Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote: >> From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx> >> >> For dm355 and dm644x the vpfe driver provided a ioctl to >> configure the raw bayer config using a IOCTL, but since >> the code was not properly implemented and aswell the >> IOCTL was marked as 'experimental ioctl that will change >> in future kernels', dropping this IOCTL. >> >> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx> >> --- >> As discussed at [1], there wouldn’t be any possible users of >> the VPFE_CMD_S_CCDC_RAW_PARAMS IOCTL, but if someone complains >> we might end up reverting the removal and fix it differently. >> >> Note: This patch is on top of [1]. >> >> [1] https://patchwork.kernel.org/patch/9779385/ > > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > Thanks for the Ack. > I think it would be good to backport one or both of the patches to > stable kernels, to close the potential risk of someone abusing the > ioctl. I think just your patch should be suffice to the stable kernel, blocking this IOCTL. Cheers, --Prabhakar Lad