[PATCH V3 4/5] PCI: dwc: Add API to notify core initialization completion

From: Vidya Sagar
Date: Mon Feb 17 2020 - 07:11:19 EST


Add a new API dw_pcie_ep_init_notify() to let platform drivers
call it when the core is available for initialization.

Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx>
Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
V3:
* Added Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx>

V2:
* None

drivers/pci/controller/dwc/pcie-designware-ep.c | 7 +++++++
drivers/pci/controller/dwc/pcie-designware.h | 5 +++++
2 files changed, 12 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 84a102df9f62..dfbb806c25bf 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -19,6 +19,13 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
pci_epc_linkup(epc);
}

+void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
+{
+ struct pci_epc *epc = ep->epc;
+
+ pci_epc_init_notify(epc);
+}
+
static void __dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar,
int flags)
{
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index b67b7f756bc2..aa98fbd50807 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -412,6 +412,7 @@ static inline int dw_pcie_allocate_domains(struct pcie_port *pp)
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_complete(struct dw_pcie_ep *ep);
+void dw_pcie_ep_init_notify(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);
int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
@@ -434,6 +435,10 @@ static inline int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
return 0;
}

+static inline void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep)
+{
+}
+
static inline void dw_pcie_ep_exit(struct dw_pcie_ep *ep)
{
}
--
2.17.1