From: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>
Add the support for stop_link() & start_link() function op.
Signed-off-by: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>
---
drivers/pci/controller/dwc/pcie-designware-host.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 2cd0acbf9e18..5f017b7ab932 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -694,10 +694,28 @@ void __iomem *dw_pcie_own_conf_map_bus(struct pci_bus *bus, unsigned int devfn,
}
EXPORT_SYMBOL_GPL(dw_pcie_own_conf_map_bus);
+static int dw_pcie_host_start_link(struct pci_bus *bus)
+{
+ struct dw_pcie_rp *pp = bus->sysdata;
+ struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
+
+ return dw_pcie_start_link(pci);
+}
+
+static void dw_pcie_host_stop_link(struct pci_bus *bus)
+{
+ struct dw_pcie_rp *pp = bus->sysdata;
+ struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
+
+ dw_pcie_stop_link(pci);
+}
+
static struct pci_ops dw_pcie_ops = {
.map_bus = dw_pcie_own_conf_map_bus,
.read = pci_generic_config_read,
.write = pci_generic_config_write,
+ .start_link = dw_pcie_host_start_link,
+ .stop_link = dw_pcie_host_stop_link,
};
static int dw_pcie_iatu_setup(struct dw_pcie_rp *pp)
--
2.34.1
