diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.19/0071-1-PCI-qcom-Fixed-IPQ806x-specific-clocks.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.19/0071-1-PCI-qcom-Fixed-IPQ806x-specific-clocks.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0071-1-PCI-qcom-Fixed-IPQ806x-specific-clocks.patch b/target/linux/ipq806x/patches-4.19/0071-1-PCI-qcom-Fixed-IPQ806x-specific-clocks.patch new file mode 100644 index 0000000000..b9f6e33be6 --- /dev/null +++ b/target/linux/ipq806x/patches-4.19/0071-1-PCI-qcom-Fixed-IPQ806x-specific-clocks.patch @@ -0,0 +1,95 @@ +From 86655aa14304ca88a8ce8847276147dbc1a83238 Mon Sep 17 00:00:00 2001 +From: Sham Muthayyan <smuthayy@codeaurora.org> +Date: Tue, 19 Jul 2016 18:44:49 +0530 +Subject: PCI: qcom: Fixed IPQ806x specific clocks + +Change-Id: I488e1bc707d6a22b37a338f41935e3922009ba5e +Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> +--- + drivers/pci/host/pcie-qcom.c | 38 +++++++++++++++++++++++++++++++++----- + 1 file changed, 33 insertions(+), 5 deletions(-) + +--- a/drivers/pci/dwc/pcie-qcom.c ++++ b/drivers/pci/dwc/pcie-qcom.c +@@ -91,6 +91,8 @@ struct qcom_pcie_resources_2_1_0 { + struct clk *iface_clk; + struct clk *core_clk; + struct clk *phy_clk; ++ struct clk *aux_clk; ++ struct clk *ref_clk; + struct reset_control *pci_reset; + struct reset_control *axi_reset; + struct reset_control *ahb_reset; +@@ -249,6 +251,14 @@ static int qcom_pcie_get_resources_2_1_0 + if (IS_ERR(res->phy_clk)) + return PTR_ERR(res->phy_clk); + ++ res->aux_clk = devm_clk_get(dev, "aux"); ++ if (IS_ERR(res->aux_clk)) ++ return PTR_ERR(res->aux_clk); ++ ++ res->ref_clk = devm_clk_get(dev, "ref"); ++ if (IS_ERR(res->ref_clk)) ++ return PTR_ERR(res->ref_clk); ++ + res->pci_reset = devm_reset_control_get_exclusive(dev, "pci"); + if (IS_ERR(res->pci_reset)) + return PTR_ERR(res->pci_reset); +@@ -281,6 +291,8 @@ static void qcom_pcie_deinit_2_1_0(struc + clk_disable_unprepare(res->iface_clk); + clk_disable_unprepare(res->core_clk); + clk_disable_unprepare(res->phy_clk); ++ clk_disable_unprepare(res->aux_clk); ++ clk_disable_unprepare(res->ref_clk); + regulator_disable(res->vdda); + regulator_disable(res->vdda_phy); + regulator_disable(res->vdda_refclk); +@@ -324,16 +336,28 @@ static int qcom_pcie_init_2_1_0(struct q + goto err_assert_ahb; + } + ++ ret = clk_prepare_enable(res->core_clk); ++ if (ret) { ++ dev_err(dev, "cannot prepare/enable core clock\n"); ++ goto err_clk_core; ++ } ++ + ret = clk_prepare_enable(res->phy_clk); + if (ret) { + dev_err(dev, "cannot prepare/enable phy clock\n"); + goto err_clk_phy; + } + +- ret = clk_prepare_enable(res->core_clk); ++ ret = clk_prepare_enable(res->aux_clk); + if (ret) { +- dev_err(dev, "cannot prepare/enable core clock\n"); +- goto err_clk_core; ++ dev_err(dev, "cannot prepare/enable aux clock\n"); ++ goto err_clk_aux; ++ } ++ ++ ret = clk_prepare_enable(res->ref_clk); ++ if (ret) { ++ dev_err(dev, "cannot prepare/enable ref clock\n"); ++ goto err_clk_ref; + } + + ret = reset_control_deassert(res->ahb_reset); +@@ -389,10 +413,14 @@ static int qcom_pcie_init_2_1_0(struct q + return 0; + + err_deassert_ahb: +- clk_disable_unprepare(res->core_clk); +-err_clk_core: ++ clk_disable_unprepare(res->ref_clk); ++err_clk_ref: ++ clk_disable_unprepare(res->aux_clk); ++err_clk_aux: + clk_disable_unprepare(res->phy_clk); + err_clk_phy: ++ clk_disable_unprepare(res->core_clk); ++err_clk_core: + clk_disable_unprepare(res->iface_clk); + err_assert_ahb: + regulator_disable(res->vdda_phy); |