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| author |  Richard Zhu <hongxing.zhu@nxp.com>
| 2022-07-14 15:31:03 +0800 |
|---|---|---|
| committer |  Bjorn Helgaas <bhelgaas@google.com>
| 2022-08-01 15:33:46 -0500 |
| commit | f0691e326b270d86fff408f347bd6498949f3076 (patch) | |
| tree | 96534937c6a3a84d27621fc4bf9e39c982319c6a /drivers/pci/controller | |
| parent | PCI: imx6: Turn off regulator when system is in suspend mode (diff) | |
| download | linux-f0691e326b270d86fff408f347bd6498949f3076.tar.gz linux-f0691e326b270d86fff408f347bd6498949f3076.tar.bz2 linux-f0691e326b270d86fff408f347bd6498949f3076.zip | |
PCI: imx6: Move regulator enable out of imx6_pcie_deassert_core_reset()
Move regulator enable out of imx6_pcie_deassert_core_reset(), since the
regulator_enable() has nothing to do with imx6_pcie_deassert_core_reset().
Link: https://lore.kernel.org/r/1657783869-19194-12-git-send-email-hongxing.zhu@nxp.com
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/controller')
| -rw-r--r-- | drivers/pci/controller/dwc/pci-imx6.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 4ff6cb9ef97f..cfb67f422e46 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -712,19 +712,10 @@ static int imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) struct device *dev = pci->dev; int ret; - if (imx6_pcie->vpcie) { - ret = regulator_enable(imx6_pcie->vpcie); - if (ret) { - dev_err(dev, "failed to enable vpcie regulator: %d\n", - ret); - return ret; - } - } - ret = imx6_pcie_clk_enable(imx6_pcie); if (ret) { dev_err(dev, "unable to enable pcie clocks: %d\n", ret); - goto err_clks; + return ret; } switch (imx6_pcie->drvdata->variant) { @@ -783,15 +774,6 @@ static int imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) } return 0; - -err_clks: - if (imx6_pcie->vpcie) { - ret = regulator_disable(imx6_pcie->vpcie); - if (ret) - dev_err(dev, "failed to disable vpcie regulator: %d\n", - ret); - } - return ret; } static int imx6_pcie_wait_for_speed_change(struct imx6_pcie *imx6_pcie) @@ -914,17 +896,31 @@ static int imx6_pcie_host_init(struct dw_pcie_rp *pp) struct imx6_pcie *imx6_pcie = to_imx6_pcie(pci); int ret; + if (imx6_pcie->vpcie) { + ret = regulator_enable(imx6_pcie->vpcie); + if (ret) { + dev_err(dev, "failed to enable vpcie regulator: %d\n", + ret); + return ret; + } + } + imx6_pcie_assert_core_reset(imx6_pcie); imx6_pcie_init_phy(imx6_pcie); ret = imx6_pcie_deassert_core_reset(imx6_pcie); if (ret < 0) { dev_err(dev, "pcie deassert core reset failed: %d\n", ret); - return ret; + goto err_reg_disable; } imx6_setup_phy_mpll(imx6_pcie); return 0; + +err_reg_disable: + if (imx6_pcie->vpcie) + regulator_disable(imx6_pcie->vpcie); + return ret; } static const struct dw_pcie_host_ops imx6_pcie_host_ops = { |