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Commit 743ceeed authored by Sam Ravnborg's avatar Sam Ravnborg Committed by David S. Miller
Browse files

sparc: drop prom/devmap.c 



None of the functions was used.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bce5feea

arch/sparc/include/asm/oplib_32.h

+0 −12
Original line number Diff line number Diff line
@@ -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. */

arch/sparc/prom/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -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

arch/sparc/prom/devmap.c

deleted100644 → 0
+0 −53
Original line number Diff line number Diff line 
/*

 * 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);

}