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PCI: cadence: Remove private bus number and range storage

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There's no need to store the bus number or range resource as the driver
only needs the bus number which is already in the pci_host_bridge.

For endpoint mode, the bus number is always 0.

Link: https://lore.kernel.org/r/20200722022514.1283916-14-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tom Joseph <tjoseph@cadence.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Rob Herring
2020-07-21 20:25:08 -06:00
committed by Lorenzo Pieralisi
parent 06ff98fcc4
commit ec64e27959
4 changed files with 24 additions and 26 deletions
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8
drivers/pci/controller/cadence/pcie-cadence.h
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@@ -235,7 +235,6 @@ struct cdns_pcie {
struct resource *mem_res;
struct device *dev;
bool is_rc;
u8 bus;
int phy_count;
struct phy **phy;
struct device_link **link;
@@ -248,7 +247,6 @@ struct cdns_pcie {
* @dev: pointer to PCIe device
* @cfg_res: start/end offsets in the physical system memory to map PCI
* configuration space accesses
* @bus_range: first/last buses behind the PCIe host controller
* @cfg_base: IO mapped window to access the PCI configuration space of a
* single function at a time
* @no_bar_nbits: Number of bits to keep for inbound (PCIe -> CPU) address
@@ -259,7 +257,6 @@ struct cdns_pcie {
struct cdns_pcie_rc {
struct cdns_pcie pcie;
struct resource *cfg_res;
struct resource *bus_range;
void __iomem *cfg_base;
u32 no_bar_nbits;
u32 vendor_id;
@@ -381,11 +378,12 @@ static inline int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
return 0;
}
#endif
void cdns_pcie_set_outbound_region(struct cdns_pcie *pcie, u8 fn,
void cdns_pcie_set_outbound_region(struct cdns_pcie *pcie, u8 busnr, u8 fn,
u32 r, bool is_io,
u64 cpu_addr, u64 pci_addr, size_t size);
void cdns_pcie_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie, u8 fn,
void cdns_pcie_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie,
u8 busnr, u8 fn,
u32 r, u64 cpu_addr);
void cdns_pcie_reset_outbound_region(struct cdns_pcie *pcie, u32 r);