Messages in this thread Patch in this message | | | From | Andrey Smirnov <> | Subject | [PATCH v4 11/11] PCI: imx6: Use usleep_range() in imx6_pcie_enable_ref_clk() | Date | Sun, 14 Apr 2019 17:46:32 -0700 |
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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@gmail.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Chris Healy <cphealy@gmail.com> Cc: Lucas Stach <l.stach@pengutronix.de> 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(-)
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
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