Hi, On 24/12/20 5:26 pm, Kishon Vijay Abraham I wrote: > Add support to provide refclk to PCIe connector. > > Signed-off-by: Kishon Vijay Abraham I <[email protected]> > --- > drivers/pci/controller/cadence/pci-j721e.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/pci/controller/cadence/pci-j721e.c > b/drivers/pci/controller/cadence/pci-j721e.c > index dac1ac8a7615..8ec6d9c3e164 100644 > --- a/drivers/pci/controller/cadence/pci-j721e.c > +++ b/drivers/pci/controller/cadence/pci-j721e.c > @@ -6,6 +6,7 @@ > * Author: Kishon Vijay Abraham I <[email protected]> > */ > > +#include <linux/clk.h> > #include <linux/delay.h> > #include <linux/gpio/consumer.h> > #include <linux/io.h> > @@ -50,6 +51,7 @@ enum link_status { > > struct j721e_pcie { > struct device *dev; > + struct clk *refclk; > u32 mode; > u32 num_lanes; > struct cdns_pcie *cdns_pcie; > @@ -310,6 +312,7 @@ static int j721e_pcie_probe(struct platform_device *pdev) > struct cdns_pcie_ep *ep; > struct gpio_desc *gpiod; > void __iomem *base; > + struct clk *clk; > u32 num_lanes; > u32 mode; > int ret; > @@ -408,6 +411,19 @@ static int j721e_pcie_probe(struct platform_device *pdev) > goto err_get_sync; > } > > + clk = devm_clk_get_optional(dev, "pcie_refclk"); > + if (IS_ERR(clk)) { > + dev_err(dev, "failed to get pcie_refclk\n");
missed initializing "ret" here. Will fix this and re-send new version. Thanks Kishon
