[PATCH 0/4] arm64: SMCCC conduit cleanup

[Lorenzo Pieralisi]

On Thu, May 03, 2018 at 06:03:26PM +0100, Mark Rutland wrote:
> Currently, the cpu errata code goes digging into PSCI internals to
> discover the SMCCC conduit, using the (arguably misnamed) PSCI_CONDUIT_*
> definitions. This lack of abstraction is somewhat unfortunate.
> 
> Further, the SDEI code has an almost identical set of CONDUIT_*
> definitions, and the duplication is rather unfortunate.
> 
> Let's unify things behind a common set of SMCCC_CONDUIT_* definitions,
> and expose the SMCCCv1.1 conduit via a new helper that hides the PSCI
> driver internals.
> 
> Mark.
> 
> Mark Rutland (4):
>   arm/arm64: smccc/psci: add arm_smccc_get_conduit()
>   arm64: errata: use arm_smccc_get_conduit()
>   firmware/psci: use common SMCCC_CONDUIT_*
>   firmware: arm_sdei: use common SMCCC_CONDUIT_*
> 
>  arch/arm64/kernel/cpu_errata.c | 11 +++--------
>  arch/arm64/kernel/sdei.c       |  3 ++-
>  drivers/firmware/arm_sdei.c    | 12 ++++++------
>  drivers/firmware/psci.c        | 24 ++++++++++++++++--------
>  include/linux/arm-smccc.h      | 16 ++++++++++++++++
>  include/linux/arm_sdei.h       |  6 ------
>  include/linux/psci.h           |  9 ++-------
>  7 files changed, 45 insertions(+), 36 deletions(-)

For the series:

Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>