diff options
Diffstat (limited to 'arch/sparc/prom/devmap.c')
| -rw-r--r-- | arch/sparc/prom/devmap.c | 53 | 
1 files changed, 0 insertions, 53 deletions
diff --git a/arch/sparc/prom/devmap.c b/arch/sparc/prom/devmap.c deleted file mode 100644 index 46157d2aba0..00000000000 --- a/arch/sparc/prom/devmap.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * promdevmap.c:  Map device/IO areas to virtual addresses. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -extern void restore_current(void); - -/* Just like the routines in palloc.c, these should not be used - * by the kernel at all.  Bootloader facility mainly.  And again, - * this is only available on V2 proms and above. - */ - -/* Map physical device address 'paddr' in IO space 'ios' of size - * 'num_bytes' to a virtual address, with 'vhint' being a hint to - * the prom as to where you would prefer the mapping.  We return - * where the prom actually mapped it. - */ -char * -prom_mapio(char *vhint, int ios, unsigned int paddr, unsigned int num_bytes) -{ -	unsigned long flags; -	char *ret; - -	spin_lock_irqsave(&prom_lock, flags); -	if((num_bytes == 0) || (paddr == 0)) ret = (char *) 0x0; -	else -	ret = (*(romvec->pv_v2devops.v2_dumb_mmap))(vhint, ios, paddr, -						    num_bytes); -	restore_current(); -	spin_unlock_irqrestore(&prom_lock, flags); -	return ret; -} - -/* Unmap an IO/device area that was mapped using the above routine. */ -void -prom_unmapio(char *vaddr, unsigned int num_bytes) -{ -	unsigned long flags; - -	if(num_bytes == 0x0) return; -	spin_lock_irqsave(&prom_lock, flags); -	(*(romvec->pv_v2devops.v2_dumb_munmap))(vaddr, num_bytes); -	restore_current(); -	spin_unlock_irqrestore(&prom_lock, flags); -}  | 
