forked from luck/tmp_suning_uos_patched
sparc: drop prom/devmap.c
None of the functions was used. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -48,18 +48,6 @@ extern void prom_init(struct linux_romvec *rom_ptr);
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/* Boot argument acquisition, returns the boot command line string. */
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extern char *prom_getbootargs(void);
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/* Device utilities. */
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/* Map and unmap devices in IO space at virtual addresses. Note that the
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* virtual address you pass is a request and the prom may put your mappings
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* somewhere else, so check your return value as that is where your new
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* mappings really are!
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*
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* Another note, these are only available on V2 or higher proms!
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*/
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extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes);
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extern void prom_unmapio(char *virt_addr, unsigned int num_bytes);
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/* Miscellaneous routines, don't really fit in any category per se. */
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/* Reboot the machine with the command line passed. */
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@ -5,7 +5,6 @@ asflags := -ansi
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ccflags := -Werror
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lib-y := bootstr_$(BITS).o
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lib-$(CONFIG_SPARC32) += devmap.o
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lib-y += init_$(BITS).o
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lib-$(CONFIG_SPARC32) += memory.o
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lib-y += misc_$(BITS).o
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@ -1,53 +0,0 @@
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/*
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* promdevmap.c: Map device/IO areas to virtual addresses.
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*
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* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <asm/openprom.h>
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#include <asm/oplib.h>
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extern void restore_current(void);
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/* Just like the routines in palloc.c, these should not be used
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* by the kernel at all. Bootloader facility mainly. And again,
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* this is only available on V2 proms and above.
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*/
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/* Map physical device address 'paddr' in IO space 'ios' of size
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* 'num_bytes' to a virtual address, with 'vhint' being a hint to
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* the prom as to where you would prefer the mapping. We return
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* where the prom actually mapped it.
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*/
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char *
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prom_mapio(char *vhint, int ios, unsigned int paddr, unsigned int num_bytes)
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{
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unsigned long flags;
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char *ret;
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spin_lock_irqsave(&prom_lock, flags);
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if((num_bytes == 0) || (paddr == 0)) ret = (char *) 0x0;
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else
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ret = (*(romvec->pv_v2devops.v2_dumb_mmap))(vhint, ios, paddr,
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num_bytes);
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restore_current();
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spin_unlock_irqrestore(&prom_lock, flags);
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return ret;
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}
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/* Unmap an IO/device area that was mapped using the above routine. */
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void
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prom_unmapio(char *vaddr, unsigned int num_bytes)
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{
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unsigned long flags;
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if(num_bytes == 0x0) return;
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spin_lock_irqsave(&prom_lock, flags);
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(*(romvec->pv_v2devops.v2_dumb_munmap))(vaddr, num_bytes);
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restore_current();
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spin_unlock_irqrestore(&prom_lock, flags);
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}
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