ADAPT is added specifically for HS Gear4 mode only, select INITIAL adapt
before do power mode change to G4 and select no adapt before switch to
non-G4 modes.
Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>
---
drivers/scsi/ufs/ufshcd.c | 8 ++++++++
drivers/scsi/ufs/unipro.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 1ee2187..20b9428 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4134,6 +4134,14 @@ static int ufshcd_change_power_mode(struct ufs_hba *hba,
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HSSERIES),
pwr_mode->hs_rate);
+ if (pwr_mode->gear_tx == UFS_HS_G4)
+ /* INITIAL ADAPT */
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXHSADAPTTYPE),
+ PA_INITIAL_ADAPT);
+ else
+ /* NO ADAPT */
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXHSADAPTTYPE), PA_NO_ADAPT);
+
ret = ufshcd_uic_change_pwr_mode(hba, pwr_mode->pwr_rx << 4
| pwr_mode->pwr_tx);
diff --git a/drivers/scsi/ufs/unipro.h b/drivers/scsi/ufs/unipro.h
index f539f87..bd1c3d6 100644
--- a/drivers/scsi/ufs/unipro.h
+++ b/drivers/scsi/ufs/unipro.h
@@ -192,6 +192,7 @@ enum ufs_hs_gear_tag {
UFS_HS_G1, /* HS Gear 1 (default for reset) */
UFS_HS_G2, /* HS Gear 2 */
UFS_HS_G3, /* HS Gear 3 */
+ UFS_HS_G4, /* HS Gear 4 */
};
enum ufs_unipro_ver {
--
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