summaryrefslogtreecommitdiffstats
path: root/drivers/pci
diff options
context:
space:
mode:
authorVidya Sagar <vidyas@nvidia.com>2020-02-17 13:10:35 +0100
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-02-25 13:02:37 +0100
commitac37dde721776463f866ba5c93986af19a6b73b9 (patch)
treeb18ef18ce58bda587986cff3156277be0a2b5cb1 /drivers/pci
parentPCI: endpoint: Add notification for core init completion (diff)
downloadlinux-ac37dde721776463f866ba5c93986af19a6b73b9.tar.xz
linux-ac37dde721776463f866ba5c93986af19a6b73b9.zip
PCI: dwc: Add API to notify core initialization completion
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@nvidia.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/controller/dwc/pcie-designware-ep.c7
-rw-r--r--drivers/pci/controller/dwc/pcie-designware.h5
2 files changed, 12 insertions, 0 deletions
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)
{
}