MIPS: Provide pci_address_to_pio.
Without I/O ports won't work. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3697/
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@ -12,6 +12,9 @@
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#define __ASM_PROM_H
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#ifdef CONFIG_OF
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#include <linux/bug.h>
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#include <linux/io.h>
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#include <linux/types.h>
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#include <asm/bootinfo.h>
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extern int early_init_dt_scan_memory_arch(unsigned long node,
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@ -21,6 +24,18 @@ extern int reserve_mem_mach(unsigned long addr, unsigned long size);
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extern void free_mem_mach(unsigned long addr, unsigned long size);
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extern void device_tree_init(void);
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static inline unsigned long pci_address_to_pio(phys_addr_t address)
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{
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/*
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* The ioport address can be directly used by inX() / outX()
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*/
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BUG_ON(address > IO_SPACE_LIMIT);
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return (unsigned long) address;
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}
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#define pci_address_to_pio pci_address_to_pio
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#else /* CONFIG_OF */
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static inline void device_tree_init(void) { }
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#endif /* CONFIG_OF */
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