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path: root/target/linux/ipq806x/patches-4.14/0071-2-PCI-qcom-Fixed-IPQ806x-PCIE-reset-changes.patch
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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.patch22
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);