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PCI: dwc: Add CONFIG_PCIE_DW_HOST to enable PCI dwc host

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Now that PCI designware host has a separate file, add a new PCIE_DW_HOST
config symbol to select the host-only driver. This will enable to
independently select host support and endpoint support (when it's added).

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Kishon Vijay Abraham I
2017-02-15 18:48:18 +05:30
committed by Bjorn Helgaas
parent feb85d9b1c
commit a0560209f1
3 changed files with 42 additions and 16 deletions
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29
drivers/pci/dwc/pcie-designware.h
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@@ -161,10 +161,6 @@ struct dw_pcie {
int dw_pcie_read(void __iomem *addr, int size, u32 *val);
int dw_pcie_write(void __iomem *addr, int size, u32 val);
irqreturn_t dw_handle_msi_irq(struct pcie_port *pp);
void dw_pcie_msi_init(struct pcie_port *pp);
void dw_pcie_setup_rc(struct pcie_port *pp);
int dw_pcie_host_init(struct pcie_port *pp);
u32 dw_pcie_readl_dbi(struct dw_pcie *pci, u32 reg);
void dw_pcie_writel_dbi(struct dw_pcie *pci, u32 reg, u32 val);
@@ -174,4 +170,29 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index,
int type, u64 cpu_addr, u64 pci_addr,
u32 size);
void dw_pcie_setup(struct dw_pcie *pci);
#ifdef CONFIG_PCIE_DW_HOST
irqreturn_t dw_handle_msi_irq(struct pcie_port *pp);
void dw_pcie_msi_init(struct pcie_port *pp);
void dw_pcie_setup_rc(struct pcie_port *pp);
int dw_pcie_host_init(struct pcie_port *pp);
#else
static inline irqreturn_t dw_handle_msi_irq(struct pcie_port *pp)
{
return IRQ_NONE;
}
static inline void dw_pcie_msi_init(struct pcie_port *pp)
{
}
static inline void dw_pcie_setup_rc(struct pcie_port *pp)
{
}
static inline int dw_pcie_host_init(struct pcie_port *pp)
{
return 0;
}
#endif
#endif /* _PCIE_DESIGNWARE_H */