diff options
Diffstat (limited to 'drivers/resctrl/mpam_devices.c')
| -rw-r--r-- | drivers/resctrl/mpam_devices.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c index 0e5e24ef60fe..0c97f7708722 100644 --- a/drivers/resctrl/mpam_devices.c +++ b/drivers/resctrl/mpam_devices.c @@ -713,6 +713,13 @@ static void mpam_ris_hw_probe(struct mpam_msc_ris *ris) mpam_set_feature(mpam_feat_mbw_part, props); props->bwa_wd = FIELD_GET(MPAMF_MBW_IDR_BWA_WD, mbw_features); + + /* + * The BWA_WD field can represent 0-63, but the control fields it + * describes have a maximum of 16 bits. + */ + props->bwa_wd = min(props->bwa_wd, 16); + if (props->bwa_wd && FIELD_GET(MPAMF_MBW_IDR_HAS_MAX, mbw_features)) mpam_set_feature(mpam_feat_mbw_max, props); |