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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-04-15 03:46:32 +0300 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-05-01 13:35:47 +0300 |
| commit | 87cb312777b5dc5eece8e1c58d4e0040eeea39fa (patch) | |
| tree | e203fde4da70e9cfaeaa20a16b5547cbf92ea6fd /drivers/pci/controller | |
| parent | 76d6dc26331dfe3c275b16ac28f8b92f9614cd7e (diff) | |
| download | linux-87cb312777b5dc5eece8e1c58d4e0040eeea39fa.tar.xz | |
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 <andrew.smirnov@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
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
Diffstat (limited to 'drivers/pci/controller')
| -rw-r--r-- | drivers/pci/controller/dwc/pci-imx6.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |