In both cases udelay() is called in non-atomic context, so there's really no need to use it there. Change the code to use usleep_range() instead. Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> --- 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 c9431a8a7ca1..3f13022991ec 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -167,7 +167,7 @@ static int pcie_phy_poll_ack(struct imx6_pcie *imx6_pcie, bool exp_val) if (val == exp_val) return 0; - udelay(1); + usleep_range(10, 100); } while (wait_counter < max_iterations); return -ETIMEDOUT; @@ -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
