[PATCH 1/3] ufs: core: Rename LSDB to SDBS to reflect the UFSHCI 4.0 spec

From: Manivannan Sadhasivam via B4 Relay
Date: Wed Aug 14 2024 - 13:16:03 EST


From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

UFSHCI 4.0 spec names the 'Legacy Queue & Single Doorbell Support' field in
Controller Capabilities register as 'SDBS'. So let's use the same
terminology in the driver to align with the spec.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
drivers/ufs/core/ufshcd.c | 6 +++---
include/ufs/ufshcd.h | 2 +-
include/ufs/ufshci.h | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 0b3d0c8e0dda..168b9dbc3ada 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -2418,7 +2418,7 @@ static inline int ufshcd_hba_capabilities(struct ufs_hba *hba)

/*
* The UFSHCI 3.0 specification does not define MCQ_SUPPORT and
- * LSDB_SUPPORT, but [31:29] as reserved bits with reset value 0s, which
+ * SDBS_SUPPORT, but [31:29] as reserved bits with reset value 0s, which
* means we can simply read values regardless of version.
*/
hba->mcq_sup = FIELD_GET(MASK_MCQ_SUPPORT, hba->capabilities);
@@ -2426,7 +2426,7 @@ static inline int ufshcd_hba_capabilities(struct ufs_hba *hba)
* 0h: legacy single doorbell support is available
* 1h: indicate that legacy single doorbell support has been removed
*/
- hba->lsdb_sup = !FIELD_GET(MASK_LSDB_SUPPORT, hba->capabilities);
+ hba->sdbs_sup = !FIELD_GET(MASK_SDBS_SUPPORT, hba->capabilities);
if (!hba->mcq_sup)
return 0;

@@ -10512,7 +10512,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
}

if (!is_mcq_supported(hba)) {
- if (!hba->lsdb_sup) {
+ if (!hba->sdbs_sup) {
dev_err(hba->dev, "%s: failed to initialize (legacy doorbell mode not supported)\n",
__func__);
err = -EINVAL;
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index cac0cdb9a916..d44b19cf9f82 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1109,7 +1109,7 @@ struct ufs_hba {
bool ext_iid_sup;
bool scsi_host_added;
bool mcq_sup;
- bool lsdb_sup;
+ bool sdbs_sup;
bool mcq_enabled;
struct ufshcd_res_info res[RES_MAX];
void __iomem *mcq_base;
diff --git a/include/ufs/ufshci.h b/include/ufs/ufshci.h
index 9917c7743d80..b60212865e90 100644
--- a/include/ufs/ufshci.h
+++ b/include/ufs/ufshci.h
@@ -77,7 +77,7 @@ enum {
MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0x02000000,
MASK_UIC_DME_TEST_MODE_SUPPORT = 0x04000000,
MASK_CRYPTO_SUPPORT = 0x10000000,
- MASK_LSDB_SUPPORT = 0x20000000,
+ MASK_SDBS_SUPPORT = 0x20000000,
MASK_MCQ_SUPPORT = 0x40000000,
};


--
2.25.1