luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sparc32: remove tick14.c

Browse Source 
The two methods included in tick14.c was nop because
the static variable linux_lvl14 was always NULL.

So remove the file and callers.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2011-01-28 22:08:17 +00:00 committed by David S. Miller
parent 2666e47602
commit e046b1e978
3 changed files with 0 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/sparc/kernel/Makefile
View File

@ -42,7 +42,6 @@ obj-$(CONFIG_SPARC32) += windows.o
obj-y += cpu.o
obj-$(CONFIG_SPARC32) += devices.o
obj-$(CONFIG_SPARC32) += tadpole.o
obj-$(CONFIG_SPARC32) += tick14.o
obj-y += ptrace_$(BITS).o
obj-y += unaligned_$(BITS).o
obj-y += una_asm_$(BITS).o

39
arch/sparc/kernel/tick14.c
View File

@ -1,39 +0,0 @@
/* tick14.c
*
* Copyright (C) 1996 David Redman (djhr@tadpole.co.uk)
*
* This file handles the Sparc specific level14 ticker
* This is really useful for profiling OBP uses it for keyboard
* aborts and other stuff.
*/
#include <linux/kernel.h>
extern unsigned long lvl14_save[5];
static unsigned long *linux_lvl14 = NULL;
static unsigned long obp_lvl14[4];
/*
* Call with timer IRQ closed.
* First time we do it with disable_irq, later prom code uses spin_lock_irq().
*/
void install_linux_ticker(void)
{
if (!linux_lvl14)
return;
linux_lvl14[0] = lvl14_save[0];
linux_lvl14[1] = lvl14_save[1];
linux_lvl14[2] = lvl14_save[2];
linux_lvl14[3] = lvl14_save[3];
}
void install_obp_ticker(void)
{
if (!linux_lvl14)
return;
linux_lvl14[0] = obp_lvl14[0];
linux_lvl14[1] = obp_lvl14[1];
linux_lvl14[2] = obp_lvl14[2];
linux_lvl14[3] = obp_lvl14[3];
}

4
arch/sparc/prom/misc_32.c
View File

@ -54,15 +54,11 @@ EXPORT_SYMBOL(prom_feval);
void
prom_cmdline(void)
{
extern void install_obp_ticker(void);
extern void install_linux_ticker(void);
unsigned long flags;
spin_lock_irqsave(&prom_lock, flags);
install_obp_ticker();
(*(romvec->pv_abort))();
restore_current();
install_linux_ticker();
spin_unlock_irqrestore(&prom_lock, flags);
set_auxio(AUXIO_LED, 0);
}