Re: [PATCH 09/10] soc: qcom: support for generate, import and prepare key

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On Mon, Dec 06, 2021 at 02:57:24PM -0800, Gaurav Kashyap wrote:
> Implements the vops for generate, prepare and import key
> apis and hooks it up the scm calls defined for them.
> Key management has to be done from Qualcomm Trustzone as only
> it can interface with HWKM.
> 
> Signed-off-by: Gaurav Kashyap <quic_gaurkash@xxxxxxxxxxx>
> ---
>  drivers/scsi/ufs/ufs-qcom-ice.c   | 22 ++++++++
>  drivers/scsi/ufs/ufs-qcom.c       |  3 ++
>  drivers/scsi/ufs/ufs-qcom.h       | 12 +++++
>  drivers/soc/qcom/qti-ice-common.c | 89 ++++++++++++++++++++++++++++---
>  include/linux/qti-ice-common.h    |  8 +++
>  5 files changed, 128 insertions(+), 6 deletions(-)

Similarly to patch 6, it would be preferable to change qti-ice-common in a
separate patch that precedes the ufs-qcom changes, if it's possible.

If this is starting to result in too many patches, you might consider combining
the patches that add generate/import/prepare with the patches that add
derive_sw_secret.  Splitting up patches between subsystems (when possible) is
more important than splitting up the wrapped key feature itself, IMO.

- Eric



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