[RFC PATCH v2] scsi: ufs-mediatek: add inline encryption support

[Stanley Chu]

Hi Eric,

On Thu, 2020-07-09 at 23:39 -0700, Eric Biggers wrote:
> Hi Stanley,
> 
> On Wed, Mar 04, 2020 at 10:21:02AM +0800, Stanley Chu wrote:
> > Add inline encryption support to ufs-mediatek.
> > 
> > The standards-compliant parts, such as querying the crypto capabilities
> > and enabling crypto for individual UFS requests, are already handled by
> > ufshcd-crypto.c, which itself is wired into the blk-crypto framework.
> > 
> > However MediaTek UFS host requires a vendor-specific hce_enable operation
> > to allow crypto-related registers being accessed normally in kernel.
> > After this step, MediaTek UFS host can work as standard-compliant host
> > for inline-encryption related functions.
> > 
> > This patch is rebased to below repo and tag:
> > 	Repo: https://urldefense.com/v3/__https://git.kernel.org/pub/scm/fs/fscrypt/fscrypt.git__;!!CTRNKA9wMg0ARbw!x8Kltcu8AQhdtlIDXASWjd_ANrBtcYzidIXMsu-fQloEqgvrDDBU9yD9GumtKLIcd_c$ 
> > 	Tag: inline-encryption-v7
> > 
> > Signed-off-by: Stanley Chu <stanley.chu at mediatek.com>
> > ---
> >  drivers/scsi/ufs/ufs-mediatek.c | 27 ++++++++++++++++++++++++++-
> >  drivers/scsi/ufs/ufs-mediatek.h |  1 +
> >  2 files changed, 27 insertions(+), 1 deletion(-)
> 
> Now that the ufshcd-crypto patches this depends on are in 5.9/scsi-queue, could
> you retest and resend this patch?  It would be nice to have 5.9 support some
> real hardware already.  (I'm going to resend my patchset for ufs-qcom too.)

Sure. Now this patch is resent as v3, please see
https://patchwork.kernel.org/patch/11657987/

Thanks,
Stanley Chu