[V1,2/3] PCIe: dwc: Add a DWC wrapper to pci_epc_deinit_notify()

Commit Message

Vidya Sagar Oct. 10, 2022, 11:19 a.m. UTC

Add a wrapper for the pci_epc_deinit_notify() at the DWC layer for all DWC
host controller drivers to invoke during the endpoint controller
deinitilization.

Signed-off-by: Vidya Sagar <[e-mail]>
---
 drivers/pci/controller/dwc/pcie-designware-ep.c | 8 ++++++++
 drivers/pci/controller/dwc/pcie-designware.h    | 5 +++++
 2 files changed, 13 insertions(+)

Patch

diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 297d8b306ab8..d39ccb9ca7d0 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -742,6 +742,14 @@  int dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
 }
 EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify);
 
+void dw_pcie_ep_deinit_notify(struct dw_pcie_ep *ep)
+{
+	struct pci_epc *epc = ep->epc;
+
+	pci_epc_deinit_notify(epc);
+}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_deinit_notify);
+
 int dw_pcie_ep_init(struct dw_pcie_ep *ep)
 {
 	int ret;
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index b00bee4b782c..f948b73e8c6f 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -469,6 +469,7 @@  static inline void __iomem *dw_pcie_own_conf_map_bus(struct pci_bus *bus,
 void dw_pcie_ep_linkup(struct dw_pcie_ep *ep);
 int dw_pcie_ep_init(struct dw_pcie_ep *ep);
 int dw_pcie_ep_init_notify(struct dw_pcie_ep *ep);
+void dw_pcie_ep_deinit_notify(struct dw_pcie_ep *ep);
 void dw_pcie_ep_deinit(struct dw_pcie_ep *ep);
 void dw_pcie_ep_exit(struct dw_pcie_ep *ep);
 int dw_pcie_ep_raise_legacy_irq(struct dw_pcie_ep *ep, u8 func_no);
@@ -496,6 +497,10 @@  static inline int dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
 	return 0;
 }
 
+static inline void dw_pcie_ep_deinit_notify(struct dw_pcie_ep *ep)
+{
+}
+
 static inline void dw_pcie_ep_deinit(struct dw_pcie_ep *ep)
 {
 }