diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.14/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.14/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/target/linux/ipq806x/patches-4.14/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch b/target/linux/ipq806x/patches-4.14/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch index a2ae1e064b..8b9e5ff5d1 100644 --- a/target/linux/ipq806x/patches-4.14/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch +++ b/target/linux/ipq806x/patches-4.14/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch @@ -11,7 +11,7 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> --- a/drivers/pci/dwc/pcie-qcom.c +++ b/drivers/pci/dwc/pcie-qcom.c -@@ -98,6 +98,7 @@ +@@ -98,6 +98,7 @@ struct qcom_pcie_resources_2_1_0 { struct reset_control *ahb_reset; struct reset_control *por_reset; struct reset_control *phy_reset; @@ -19,10 +19,10 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> struct regulator *vdda; struct regulator *vdda_phy; struct regulator *vdda_refclk; -@@ -275,6 +276,10 @@ +@@ -275,6 +276,10 @@ static int qcom_pcie_get_resources_2_1_0 if (IS_ERR(res->por_reset)) return PTR_ERR(res->por_reset); - + + res->ext_reset = devm_reset_control_get(dev, "ext"); + if (IS_ERR(res->ext_reset)) + return PTR_ERR(res->ext_reset); @@ -30,7 +30,7 @@ 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 @@ +@@ -288,6 +293,7 @@ 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); @@ -38,10 +38,10 @@ 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 @@ +@@ -306,6 +312,12 @@ static int qcom_pcie_init_2_1_0(struct q u32 val; int ret; - + + ret = reset_control_assert(res->ahb_reset); + if (ret) { + dev_err(dev, "cannot assert ahb reset\n"); @@ -51,10 +51,10 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> ret = regulator_enable(res->vdda); if (ret) { dev_err(dev, "cannot enable vdda regulator\n"); -@@ -324,16 +336,16 @@ +@@ -324,16 +336,16 @@ static int qcom_pcie_init_2_1_0(struct q goto err_vdda_phy; } - + - ret = reset_control_assert(res->ahb_reset); + ret = reset_control_deassert(res->ext_reset); if (ret) { @@ -63,16 +63,16 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> + 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; } - + ret = clk_prepare_enable(res->core_clk); -@@ -422,7 +434,9 @@ +@@ -422,7 +434,9 @@ err_clk_phy: clk_disable_unprepare(res->core_clk); err_clk_core: clk_disable_unprepare(res->iface_clk); |