diff options
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 450b5377051a..cdde478eb511 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -904,6 +904,13 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba, ufs_qcom_cap.hs_rx_gear = UFS_HS_G2; } + /* + * Until High Speed gear mode is stabilized, operate in PWM gear + * mode for newer controller versions. + */ + if (host->hw_ver.major >= 0x2) + ufs_qcom_cap.desired_working_mode = SLOW; + ret = ufs_qcom_get_pwr_dev_param(&ufs_qcom_cap, dev_max_params, dev_req_params); @@ -1010,9 +1017,11 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba) ufs_qcom_get_controller_revision(hba, &major, &minor, &step); - hba->caps |= UFSHCD_CAP_CLK_GATING | UFSHCD_CAP_CLK_SCALING; - hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND; - hba->caps |= UFSHCD_CAP_HIBERN8_ENTER_ON_IDLE; + if (host->hw_ver.major < 0x2) { + hba->caps |= UFSHCD_CAP_CLK_GATING | UFSHCD_CAP_CLK_SCALING; + hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND; + hba->caps |= UFSHCD_CAP_HIBERN8_ENTER_ON_IDLE; + } if (host->hw_ver.major >= 0x2) { hba->caps |= UFSHCD_CAP_POWER_COLLAPSE_DURING_HIBERN8; |