[PATCH v9 07/12] arm_mpam: propagate MSC access errors for mpam_reprogram_ris_partid()

[Srivathsa L Rao]

On 8/7/2026 4:24 PM, Andre Przywara wrote:
> Allow the mpam_reprogram_ris_partid() function to check for and return
> errors, and propagate MSC read and write errors from the lower level up.
> This also covers the callers of this function: mpam_reset_ris() and
> apply_config().
> 
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> Review-by: Ben Horgan <ben.horgan at arm.com>
> Reviewed-by: Jonathan Cameron <jonathan.cameron at oss.qualcomm.com>
> Reviewed-by: Gavin Shan <gshan at redhat.com>
> Tested-by: Gavin Shan <gshan at redhat.com> # on NVIDIA Grace Hopper
> ---
>   drivers/resctrl/mpam_devices.c | 137 ++++++++++++++++++++++-----------
>   1 file changed, 94 insertions(+), 43 deletions(-)
> 
> diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c
> index 96579178f0c3..49239b15a27f 100644
> --- a/drivers/resctrl/mpam_devices.c
> +++ b/drivers/resctrl/mpam_devices.c
Reviewed-by: Srivathsa L Rao <srivathsa.rao at oss.qualcomm.com>