diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.19/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.19/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch | 51 |
1 files changed, 14 insertions, 37 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch b/target/linux/ipq806x/patches-4.19/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch index 8b9e5ff5d1..5bd865a42e 100644 --- a/target/linux/ipq806x/patches-4.19/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch +++ b/target/linux/ipq806x/patches-4.19/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch @@ -6,20 +6,18 @@ Subject: PCI: qcom: Fixed IPQ806x PCIE reset changes 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); @@ -30,7 +28,7 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> 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); @@ -38,7 +36,7 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> 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; @@ -48,38 +46,17 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> + 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); |