From 87cb312777b5dc5eece8e1c58d4e0040eeea39fa Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Sun, 14 Apr 2019 17:46:32 -0700 Subject: PCI: imx6: Use usleep_range() in imx6_pcie_enable_ref_clk() 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 Signed-off-by: Lorenzo Pieralisi Reviewed-by: Lucas Stach Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Chris Healy Cc: Lucas Stach Cc: linux-kernel@vger.kernel.org Cc: linux-pci@vger.kernel.org --- drivers/pci/controller/dwc/pci-imx6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/pci/controller/dwc/pci-imx6.c') 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; -- cgit v1.2.3