Am Sonntag, den 14.04.2019, 17:46 -0700 schrieb Andrey Smirnov: > 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 <andrew.smirnov@xxxxxxxxx> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> > Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > Cc: Chris Healy <cphealy@xxxxxxxxx> > Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: linux-pci@xxxxxxxxxxxxxxx Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > --- > 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;
