diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 1f559256a0f3..e8683aa64b78 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -664,6 +664,7 @@ struct ufs_hba_variant_params { * @hpb_disabled: flag to check if HPB is disabled * @max_hpb_single_cmd: device reported bMAX_DATA_SIZE_FOR_SINGLE_CMD value * @is_legacy: flag to check HPB 1.0 + * @control_mode: either host or device */ struct ufshpb_dev_info { int num_lu; @@ -673,6 +674,7 @@ struct ufshpb_dev_info { bool hpb_disabled; u8 max_hpb_single_cmd; bool is_legacy; + u8 control_mode; }; #endif diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c index 273e3b6e1ded..d8e5e5fdeed8 100644 --- a/drivers/scsi/ufs/ufshpb.c +++ b/drivers/scsi/ufs/ufshpb.c @@ -1610,6 +1610,9 @@ static void ufshpb_lu_parameter_init(struct ufs_hba *hba, % (hpb->srgn_mem_size / HPB_ENTRY_SIZE); hpb->pages_per_srgn = DIV_ROUND_UP(hpb->srgn_mem_size, PAGE_SIZE); + + if (hpb_dev_info->control_mode == HPB_HOST_CONTROL) + hpb->is_hcm = true; } static int ufshpb_alloc_region_tbl(struct ufs_hba *hba, struct ufshpb_lu *hpb) @@ -2304,11 +2307,10 @@ void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf) { struct ufshpb_dev_info *hpb_dev_info = &hba->ufshpb_dev; int version, ret; - u8 hpb_mode; u32 max_hpb_single_cmd = HPB_MULTI_CHUNK_LOW; - hpb_mode = desc_buf[DEVICE_DESC_PARAM_HPB_CONTROL]; - if (hpb_mode == HPB_HOST_CONTROL) { + hpb_dev_info->control_mode = desc_buf[DEVICE_DESC_PARAM_HPB_CONTROL]; + if (hpb_dev_info->control_mode == HPB_HOST_CONTROL) { dev_err(hba->dev, "%s: host control mode is not supported.\n", __func__); hpb_dev_info->hpb_disabled = true; diff --git a/drivers/scsi/ufs/ufshpb.h b/drivers/scsi/ufs/ufshpb.h index 1e8d6e1d909e..dc168ba08a09 100644 --- a/drivers/scsi/ufs/ufshpb.h +++ b/drivers/scsi/ufs/ufshpb.h @@ -228,6 +228,8 @@ struct ufshpb_lu { u32 entries_per_srgn_shift; u32 pages_per_srgn; + bool is_hcm; + struct ufshpb_stats stats; struct ufshpb_params params;