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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>
This commit is contained in:
Richard Zhu 2022-07-14 15:31:03 +08:00 committed by Bjorn Helgaas
parent a4bb720eeb
commit f0691e326b
1 changed files with 16 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/pci/controller/dwc/pci-imx6.c
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@ -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 = {