imx6_pcie_enable_ref_clk() is never called in atomic context, so there's no need to use udelay(). Replace it with usleep_range().
Signed-off-by: Andrey Smirnov <[email protected]> Cc: Lorenzo Pieralisi <[email protected]> Cc: Bjorn Helgaas <[email protected]> Cc: Chris Healy <[email protected]> Cc: Lucas Stach <[email protected]> Cc: [email protected] Cc: [email protected] --- drivers/pci/controller/dwc/pci-imx6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 3e45f49b8a4f..c6d6bde4d860 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -449,7 +449,7 @@ static int imx6_pcie_enable_ref_clk(struct imx6_pcie *imx6_pcie) * reset time is too short, cannot meet the requirement. * add one ~10us delay here. */ - udelay(10); + usleep_range(10, 100); regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, IMX6Q_GPR1_PCIE_REF_CLK_EN, 1 << 16); break; -- 2.20.1

