From 0a4c531c2124cbb700484787327c516abbd76e70 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Mon, 30 Apr 2012 11:32:58 +0200 Subject: [PATCH] MIPS: Provide pci_address_to_pio. Without I/O ports won't work. Signed-off-by: Ralf Baechle Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3697/ --- arch/mips/include/asm/prom.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h index 7a6e82ef449b..40ed25952e6b 100644 --- a/arch/mips/include/asm/prom.h +++ b/arch/mips/include/asm/prom.h @@ -12,6 +12,9 @@ #define __ASM_PROM_H #ifdef CONFIG_OF +#include +#include +#include #include extern int early_init_dt_scan_memory_arch(unsigned long node, @@ -21,6 +24,18 @@ extern int reserve_mem_mach(unsigned long addr, unsigned long size); extern void free_mem_mach(unsigned long addr, unsigned long size); extern void device_tree_init(void); + +static inline unsigned long pci_address_to_pio(phys_addr_t address) +{ + /* + * The ioport address can be directly used by inX() / outX() + */ + BUG_ON(address > IO_SPACE_LIMIT); + + return (unsigned long) address; +} +#define pci_address_to_pio pci_address_to_pio + #else /* CONFIG_OF */ static inline void device_tree_init(void) { } #endif /* CONFIG_OF */ -- 2.39.5