[PATCH v1 1/2] scsi: ufs: core: introduce override_cqe_ocs
From: Kiwoong Kim
Date: Wed Aug 21 2024 - 02:42:17 EST
This patch is to declare override_cqe_ocs callback to
override OCS value.
Signed-off-by: Kiwoong Kim <kwmad.kim@xxxxxxxxxxx>
---
drivers/ufs/core/ufshcd-priv.h | 9 +++++++++
drivers/ufs/core/ufshcd.c | 4 +++-
include/ufs/ufshcd.h | 1 +
3 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h
index ce36154..be593d1 100644
--- a/drivers/ufs/core/ufshcd-priv.h
+++ b/drivers/ufs/core/ufshcd-priv.h
@@ -275,6 +275,15 @@ static inline int ufshcd_mcq_vops_config_esi(struct ufs_hba *hba)
return -EOPNOTSUPP;
}
+static inline enum utp_ocs ufshcd_vops_override_cqe_ocs(struct ufs_hba *hba,
+ enum utp_ocs ocs)
+{
+ if (hba->vops && hba->vops->override_cqe_ocs)
+ return hba->vops->override_cqe_ocs(hba, ocs);
+
+ return ocs;
+}
+
extern const struct ufs_pm_lvl_states ufs_pm_lvl_states[];
/**
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 0dd2605..83a1870 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -825,7 +825,9 @@ static enum utp_ocs ufshcd_get_tr_ocs(struct ufshcd_lrb *lrbp,
struct cq_entry *cqe)
{
if (cqe)
- return le32_to_cpu(cqe->status) & MASK_OCS;
+ return ufshcd_vops_override_cqe_ocs(hba,
+ le32_to_cpu(cqe->status) &
+ MASK_OCS);
return lrbp->utr_descriptor_ptr->header.ocs & MASK_OCS;
}
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index a43b142..64444fb 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -382,6 +382,7 @@ struct ufs_hba_variant_ops {
int (*get_outstanding_cqs)(struct ufs_hba *hba,
unsigned long *ocqs);
int (*config_esi)(struct ufs_hba *hba);
+ enum utp_ocs (*override_cqe_ocs)(struct ufs_hba *hba, enum utp_ocs);
};
/* clock gating state */
--
2.7.4