Change-Id: Ia6590e960b9754b1e8b7a51f318788cd63e9e321
Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org>
---
- drivers/pci/host/pcie-qcom.c | 24 +++++++++++++++++++-----
- 1 file changed, 19 insertions(+), 5 deletions(-)
---- a/drivers/pci/dwc/pcie-qcom.c
-+++ b/drivers/pci/dwc/pcie-qcom.c
-@@ -98,6 +98,7 @@ struct qcom_pcie_resources_2_1_0 {
+--- a/drivers/pci/controller/dwc/pcie-qcom.c
++++ b/drivers/pci/controller/dwc/pcie-qcom.c
+@@ -92,6 +92,7 @@ struct qcom_pcie_resources_2_1_0 {
struct reset_control *ahb_reset;
struct reset_control *por_reset;
struct reset_control *phy_reset;
+ struct reset_control *ext_reset;
- struct regulator *vdda;
- struct regulator *vdda_phy;
- struct regulator *vdda_refclk;
-@@ -275,6 +276,10 @@ static int qcom_pcie_get_resources_2_1_0
+ struct regulator_bulk_data supplies[QCOM_PCIE_2_1_0_MAX_SUPPLY];
+ };
+
+@@ -261,6 +262,10 @@ static int qcom_pcie_get_resources_2_1_0
if (IS_ERR(res->por_reset))
return PTR_ERR(res->por_reset);
res->phy_reset = devm_reset_control_get_exclusive(dev, "phy");
return PTR_ERR_OR_ZERO(res->phy_reset);
}
-@@ -288,6 +293,7 @@ static void qcom_pcie_deinit_2_1_0(struc
+@@ -274,6 +279,7 @@ static void qcom_pcie_deinit_2_1_0(struc
reset_control_assert(res->ahb_reset);
reset_control_assert(res->por_reset);
reset_control_assert(res->pci_reset);
clk_disable_unprepare(res->iface_clk);
clk_disable_unprepare(res->core_clk);
clk_disable_unprepare(res->phy_clk);
-@@ -306,6 +312,12 @@ static int qcom_pcie_init_2_1_0(struct q
+@@ -290,15 +296,21 @@ static int qcom_pcie_init_2_1_0(struct q
u32 val;
int ret;
+ return ret;
+ }
+
- ret = regulator_enable(res->vdda);
- if (ret) {
- dev_err(dev, "cannot enable vdda regulator\n");
-@@ -324,16 +336,16 @@ static int qcom_pcie_init_2_1_0(struct q
- goto err_vdda_phy;
+ ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies);
+ if (ret < 0) {
+ dev_err(dev, "cannot enable regulators\n");
+ return ret;
}
- ret = reset_control_assert(res->ahb_reset);
+ ret = reset_control_deassert(res->ext_reset);
if (ret) {
- dev_err(dev, "cannot assert ahb reset\n");
-- goto err_assert_ahb;
+ dev_err(dev, "cannot assert ext reset\n");
-+ goto err_reset_ext;
- }
-
- ret = clk_prepare_enable(res->iface_clk);
- if (ret) {
- dev_err(dev, "cannot prepare/enable iface clock\n");
-- goto err_assert_ahb;
-+ goto err_iface;
+ goto err_assert_ahb;
}
- ret = clk_prepare_enable(res->core_clk);
-@@ -422,7 +434,9 @@ err_clk_phy:
- clk_disable_unprepare(res->core_clk);
- err_clk_core:
- clk_disable_unprepare(res->iface_clk);
--err_assert_ahb:
-+err_iface:
-+ reset_control_assert(res->ext_reset);
-+err_reset_ext:
- regulator_disable(res->vdda_phy);
- err_vdda_phy:
- regulator_disable(res->vdda_refclk);