diff options
Diffstat (limited to 'drivers/ufs/core/ufshcd.c')
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index e4318171381b..f774169bf04f 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -7240,7 +7240,15 @@ int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r /* Advanced RPMB starts from UFS 4.0, so its command type is UTP_CMD_TYPE_UFS_STORAGE */ lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; - ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 2); + /* + * According to UFSHCI 4.0 specification page 24, if EHSLUTRDS is 0, host controller takes + * EHS length from CMD UPIU, and SW driver use EHS Length field in CMD UPIU. if it is 1, + * HW controller takes EHS length from UTRD. + */ + if (hba->capabilities & MASK_EHSLUTRD_SUPPORTED) + ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 2); + else + ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 0); /* update the task tag and LUN in the request upiu */ req_upiu->header.flags = upiu_flags; |