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sparc: drop prom/devmap.c

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None of the functions was used.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2011-01-01 12:53:08 +00:00 committed by David S. Miller
parent bce5feeab4
commit 743ceeed27
3 changed files with 0 additions and 66 deletions
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12
arch/sparc/include/asm/oplib_32.h
View File

@ -48,18 +48,6 @@ extern void prom_init(struct linux_romvec *rom_ptr);
/* Boot argument acquisition, returns the boot command line string. */
extern char *prom_getbootargs(void);
/* Device utilities. */
/* Map and unmap devices in IO space at virtual addresses. Note that the
* virtual address you pass is a request and the prom may put your mappings
* somewhere else, so check your return value as that is where your new
* mappings really are!
*
* Another note, these are only available on V2 or higher proms!
*/
extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes);
extern void prom_unmapio(char *virt_addr, unsigned int num_bytes);
/* Miscellaneous routines, don't really fit in any category per se. */
/* Reboot the machine with the command line passed. */

1
arch/sparc/prom/Makefile
View File

@ -5,7 +5,6 @@ asflags := -ansi
ccflags := -Werror
lib-y := bootstr_$(BITS).o
lib-$(CONFIG_SPARC32) += devmap.o
lib-y += init_$(BITS).o
lib-$(CONFIG_SPARC32) += memory.o
lib-y += misc_$(BITS).o

53
arch/sparc/prom/devmap.c
View File

@ -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);
}