[PATCH v13 15/15] PCI: imx6: Disable clocks in reverse order of enable
Richard Zhu
hongxing.zhu at nxp.com
Fri Jun 17 03:31:14 PDT 2022
From: Bjorn Helgaas <bhelgaas at google.com>
imx6_pcie_clk_enable() enables clocks in the order:
pcie_phy
pcie_bus
pcie
imx6_pcie_enable_ref_clk
Change imx6_pcie_clk_disable() to disable them in the reverse order.
Signed-off-by: Bjorn Helgaas <bhelgaas at google.com>
Acked-by: Richard Zhu <hongxing.zhu at nxp.com>
---
drivers/pci/controller/dwc/pci-imx6.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 363bfc4742cf..94ce77b674a3 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -655,10 +655,10 @@ static int imx6_pcie_clk_enable(struct imx6_pcie *imx6_pcie)
static void imx6_pcie_clk_disable(struct imx6_pcie *imx6_pcie)
{
+ imx6_pcie_disable_ref_clk(imx6_pcie);
clk_disable_unprepare(imx6_pcie->pcie);
- clk_disable_unprepare(imx6_pcie->pcie_phy);
clk_disable_unprepare(imx6_pcie->pcie_bus);
- imx6_pcie_disable_ref_clk(imx6_pcie);
+ clk_disable_unprepare(imx6_pcie->pcie_phy);
}
static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie)
--
2.25.1
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