diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2016-09-27 01:10:45 +0100 |
|---|---|---|
| committer | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2016-09-27 01:10:45 +0100 |
| commit | 1e660e73fe91475938651ed5cb835bf2aeb1cd81 (patch) | |
| tree | 0a20fa16159618acfa525e57d2076b115b2a67b8 | |
| parent | e2089d21a23163ad5e65dd2335f1a717a8b58cb1 (diff) | |
| parent | bd3af9ce4e376d1c193bf04570ab98f2ea382ebd (diff) | |
Merge branch 'tracking-qcomlt-ufs' into v4.8-linux
| -rw-r--r-- | drivers/phy/phy-qcom-ufs.c | 21 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 3 |
2 files changed, 21 insertions, 3 deletions
diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c index 107cb57c3513c..73feef7e11ffe 100644 --- a/drivers/phy/phy-qcom-ufs.c +++ b/drivers/phy/phy-qcom-ufs.c @@ -186,16 +186,27 @@ ufs_qcom_phy_init_clks(struct phy *generic_phy, struct ufs_qcom_phy *phy_common) { int err; + struct ufs_qcom_phy *phy = get_ufs_qcom_phy(generic_phy); err = ufs_qcom_phy_clk_get(generic_phy, "tx_iface_clk", &phy_common->tx_iface_clk); + /* + * tx_iface_clk does not exist in newer version of ufs-phy HW, + * so don't return error if it is not found + */ if (err) - goto out; + dev_dbg(phy->dev, "%s: failed to get tx_iface_clk\n", + __func__); err = ufs_qcom_phy_clk_get(generic_phy, "rx_iface_clk", &phy_common->rx_iface_clk); + /* + * rx_iface_clk does not exist in newer version of ufs-phy HW, + * so don't return error if it is not found + */ if (err) - goto out; + dev_dbg(phy->dev, "%s: failed to get rx_iface_clk\n", + __func__); err = ufs_qcom_phy_clk_get(generic_phy, "ref_clk_src", &phy_common->ref_clk_src); @@ -536,6 +547,9 @@ int ufs_qcom_phy_enable_iface_clk(struct phy *generic_phy) if (phy->is_iface_clk_enabled) goto out; + if (!phy->tx_iface_clk) + goto out; + ret = clk_prepare_enable(phy->tx_iface_clk); if (ret) { dev_err(phy->dev, "%s: tx_iface_clk enable failed %d\n", @@ -561,6 +575,9 @@ void ufs_qcom_phy_disable_iface_clk(struct phy *generic_phy) { struct ufs_qcom_phy *phy = get_ufs_qcom_phy(generic_phy); + if (!phy->tx_iface_clk) + return; + if (phy->is_iface_clk_enabled) { clk_disable_unprepare(phy->tx_iface_clk); clk_disable_unprepare(phy->rx_iface_clk); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 430bef1112932..0e5fe41387ccd 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -552,7 +552,8 @@ struct ufs_hba { /* Returns true if clocks can be gated. Otherwise false */ static inline bool ufshcd_is_clkgating_allowed(struct ufs_hba *hba) { - return hba->caps & UFSHCD_CAP_CLK_GATING; + return false; + //return hba->caps & UFSHCD_CAP_CLK_GATING; } static inline bool ufshcd_can_hibern8_during_gating(struct ufs_hba *hba) { |