diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.c')
-rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 9217af9..6652a81 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -214,8 +214,6 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) struct ufs_qcom_host *host = hba->priv; struct phy *phy = host->generic_phy; int ret = 0; - u8 major; - u16 minor, step; bool is_rate_B = (UFS_QCOM_LIMIT_HS_RATE == PA_HS_MODE_B) ? true : false; @@ -224,8 +222,6 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) /* provide 1ms delay to let the reset pulse propagate */ usleep_range(1000, 1100); - ufs_qcom_get_controller_revision(hba, &major, &minor, &step); - ufs_qcom_phy_save_controller_version(phy, major, minor, step); ret = ufs_qcom_phy_calibrate_phy(phy, is_rate_B); if (ret) { dev_err(hba->dev, "%s: ufs_qcom_phy_calibrate_phy() failed, ret = %d\n", @@ -698,16 +694,24 @@ out: */ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) { - u8 major; - u16 minor, step; + struct ufs_qcom_host *host = hba->priv; - ufs_qcom_get_controller_revision(hba, &major, &minor, &step); + if (host->hw_ver.major == 0x1) + hba->quirks |= UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS; - /* - * TBD - * here we should be advertising controller quirks according to - * controller version. - */ + if (host->hw_ver.major >= 0x2) { + if (!ufs_qcom_cap_qunipro(host)) + /* Legacy UniPro mode still need following quirks */ + hba->quirks |= UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS; + } +} + +static void ufs_qcom_set_caps(struct ufs_hba *hba) +{ + struct ufs_qcom_host *host = hba->priv; + + if (host->hw_ver.major >= 0x2) + host->caps = UFS_QCOM_CAP_QUNIPRO; } static int ufs_qcom_get_bus_vote(struct ufs_qcom_host *host, @@ -929,6 +933,13 @@ static int ufs_qcom_init(struct ufs_hba *hba) if (err) goto out_host_free; + ufs_qcom_get_controller_revision(hba, &host->hw_ver.major, + &host->hw_ver.minor, &host->hw_ver.step); + + /* update phy revision information before calling phy_init() */ + ufs_qcom_phy_save_controller_version(host->generic_phy, + host->hw_ver.major, host->hw_ver.minor, host->hw_ver.step); + phy_init(host->generic_phy); err = phy_power_on(host->generic_phy); if (err) @@ -938,6 +949,7 @@ static int ufs_qcom_init(struct ufs_hba *hba) if (err) goto out_disable_phy; + ufs_qcom_set_caps(hba); ufs_qcom_advertise_quirks(hba); hba->caps |= UFSHCD_CAP_CLK_GATING | UFSHCD_CAP_CLK_SCALING; |