| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Primary to Sideband (P2SB) bridge access support |
| 4 | */ |
| 5 | |
| 6 | #ifndef _PLATFORM_DATA_X86_P2SB_H |
| 7 | #define _PLATFORM_DATA_X86_P2SB_H |
| 8 | |
| 9 | #include <linux/errno.h> |
| 10 | #include <linux/kconfig.h> |
| 11 | |
| 12 | struct pci_bus; |
| 13 | struct resource; |
| 14 | |
| 15 | #if IS_BUILTIN(CONFIG_P2SB) |
| 16 | |
| 17 | int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem); |
| 18 | |
| 19 | #else /* CONFIG_P2SB */ |
| 20 | |
| 21 | static inline int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem) |
| 22 | { |
| 23 | return -ENODEV; |
| 24 | } |
| 25 | |
| 26 | #endif /* CONFIG_P2SB is not set */ |
| 27 | |
| 28 | #endif /* _PLATFORM_DATA_X86_P2SB_H */ |
| 29 | |