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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-30 15:29:49 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-30 15:29:49 +0200
commit73faaa623fc9a97997b0141f54b114685c3b9676 (patch)
tree1fe728dbc7e34fe1e37c6388f566f6f7ecb35662 /drivers
parent5409e0cca53af8d2529f8398c9b05c36e25f9d2f (diff)
parent820eeb9de62f1f479c04fc6575d874611b1e2095 (diff)
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Merge tag 'phy-for-5.7-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-linus
phy: for 5.7 -rc *) Update MAINTAINER to include Vinod Koul as co-maintainer of PHY *) Fix Kconfig dependencies in seen with PHY_TEGRA_XUSB *) Re-add "qcom,sdm845-qusb2-phy" compatible in phy-qcom-qusb2.c to make it work with existing dtbs *) Move clock enable from ->poweron() to ->init() in Qualcomm usb-hs-28nm driver to initialize HW in ->init() Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> * tag 'phy-for-5.7-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: phy: qualcomm: usb-hs-28nm: Prepare clocks in init MAINTAINERS: Add Vinod Koul as Generic PHY co-maintainer phy: qcom-qusb2: Re add "qcom,sdm845-qusb2-phy" compat string phy: tegra: Select USB_COMMON for usb_get_maximum_speed()
Diffstat (limited to 'drivers')
-rw-r--r--drivers/phy/qualcomm/phy-qcom-qusb2.c7
-rw-r--r--drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c32
2 files changed, 28 insertions, 11 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 3708d43b7508..393011a05b48 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -816,6 +816,13 @@ static const struct of_device_id qusb2_phy_of_match_table[] = {
.compatible = "qcom,msm8998-qusb2-phy",
.data = &msm8998_phy_cfg,
}, {
+ /*
+ * Deprecated. Only here to support legacy device
+ * trees that didn't include "qcom,qusb2-v2-phy"
+ */
+ .compatible = "qcom,sdm845-qusb2-phy",
+ .data = &qusb2_v2_phy_cfg,
+ }, {
.compatible = "qcom,qusb2-v2-phy",
.data = &qusb2_v2_phy_cfg,
},
diff --git a/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c b/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
index d998e65c89c8..a52a9bf13b75 100644
--- a/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
+++ b/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
@@ -160,18 +160,11 @@ static int qcom_snps_hsphy_power_on(struct phy *phy)
ret = regulator_bulk_enable(VREG_NUM, priv->vregs);
if (ret)
return ret;
- ret = clk_bulk_prepare_enable(priv->num_clks, priv->clks);
- if (ret)
- goto err_disable_regulator;
+
qcom_snps_hsphy_disable_hv_interrupts(priv);
qcom_snps_hsphy_exit_retention(priv);
return 0;
-
-err_disable_regulator:
- regulator_bulk_disable(VREG_NUM, priv->vregs);
-
- return ret;
}
static int qcom_snps_hsphy_power_off(struct phy *phy)
@@ -180,7 +173,6 @@ static int qcom_snps_hsphy_power_off(struct phy *phy)
qcom_snps_hsphy_enter_retention(priv);
qcom_snps_hsphy_enable_hv_interrupts(priv);
- clk_bulk_disable_unprepare(priv->num_clks, priv->clks);
regulator_bulk_disable(VREG_NUM, priv->vregs);
return 0;
@@ -266,21 +258,39 @@ static int qcom_snps_hsphy_init(struct phy *phy)
struct hsphy_priv *priv = phy_get_drvdata(phy);
int ret;
- ret = qcom_snps_hsphy_reset(priv);
+ ret = clk_bulk_prepare_enable(priv->num_clks, priv->clks);
if (ret)
return ret;
+ ret = qcom_snps_hsphy_reset(priv);
+ if (ret)
+ goto disable_clocks;
+
qcom_snps_hsphy_init_sequence(priv);
ret = qcom_snps_hsphy_por_reset(priv);
if (ret)
- return ret;
+ goto disable_clocks;
+
+ return 0;
+
+disable_clocks:
+ clk_bulk_disable_unprepare(priv->num_clks, priv->clks);
+ return ret;
+}
+
+static int qcom_snps_hsphy_exit(struct phy *phy)
+{
+ struct hsphy_priv *priv = phy_get_drvdata(phy);
+
+ clk_bulk_disable_unprepare(priv->num_clks, priv->clks);
return 0;
}
static const struct phy_ops qcom_snps_hsphy_ops = {
.init = qcom_snps_hsphy_init,
+ .exit = qcom_snps_hsphy_exit,
.power_on = qcom_snps_hsphy_power_on,
.power_off = qcom_snps_hsphy_power_off,
.set_mode = qcom_snps_hsphy_set_mode,