diff options
| author | Richard Zhu <hongxing.zhu@nxp.com> | 2018-06-14 14:41:34 +0800 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-02-09 22:49:20 +0100 |
| commit | cec7cedec4cd253dbc7320aa1fc1b441333fe455 (patch) | |
| tree | 7bc5b8247047f099e8ae983afa29e3d99d57f58b /drivers | |
| parent | 8cc569eb4aea25ca6ad9d56840f2c3d7b2d9b464 (diff) | |
MLK-18433 PCI: imx: remove the lpcg_xxx clocks in driver
Remove the lpcg_xxx clocks codes, since they are HW gated.
These clocks controlled by HW, and would be turned on
automatically, if there are access operations.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
(cherry picked from commit 9b8da32493057502a912b6d1426eadeb76780e69)
Conflicts:
arch/arm64/boot/dts/freescale/fsl-imx8qm.dtsi
drivers/pci/host/pci-imx6.c
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
(cherry picked from commit 7615a560c48aeb53911c7a6f025420c0f9a5a51f)
(cherry picked from commit 0507816aa4b9a4f5764d308b23332fc297e6fe0f)
(cherry picked from commit 24258f088b89df68e5fa2c54eb3334ff50fcb8f0)
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/dwc/pci-imx6.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/drivers/pci/dwc/pci-imx6.c b/drivers/pci/dwc/pci-imx6.c index 6717a6627887..cf104ec7ca7a 100644 --- a/drivers/pci/dwc/pci-imx6.c +++ b/drivers/pci/dwc/pci-imx6.c @@ -78,7 +78,6 @@ struct imx_pcie { struct clk *pcie_bus; struct clk *pcie_phy; struct clk *pcie_inbound_axi; - struct clk *pcie_per; struct clk *pcie; struct clk *pcie_ext; struct clk *pcie_ext_src; @@ -641,16 +640,8 @@ static int imx_pcie_enable_ref_clk(struct imx_pcie *imx_pcie) case IMX8QXP: case IMX8QM: ret = clk_prepare_enable(imx_pcie->pcie_inbound_axi); - if (ret) { + if (ret) dev_err(dev, "unable to enable pcie_axi clock\n"); - break; - } - ret = clk_prepare_enable(imx_pcie->pcie_per); - if (ret) { - dev_err(dev, "unable to enable pcie_per clock\n"); - clk_disable_unprepare(imx_pcie->pcie_inbound_axi); - break; - } break; } @@ -1499,7 +1490,6 @@ static void pci_imx_clk_disable(struct device *dev) break; case IMX8QXP: case IMX8QM: - clk_disable_unprepare(imx_pcie->pcie_per); clk_disable_unprepare(imx_pcie->pcie_inbound_axi); break; } @@ -2512,12 +2502,6 @@ static int imx_pcie_probe(struct platform_device *pdev) ("fsl,imx6sx-iomuxc-gpr"); } else if (imx_pcie->variant == IMX8QM || imx_pcie->variant == IMX8QXP) { - imx_pcie->pcie_per = devm_clk_get(dev, "pcie_per"); - if (IS_ERR(imx_pcie->pcie_per)) { - dev_err(dev, "pcie_per clock source missing or invalid\n"); - return PTR_ERR(imx_pcie->pcie_per); - } - imx_pcie->iomuxc_gpr = syscon_regmap_lookup_by_phandle(node, "hsio"); imx_pcie->pcie_inbound_axi = devm_clk_get(&pdev->dev, |