Commit 6ef94ff2 authored by Kevin Hao's avatar Kevin Hao Committed by Benjamin Herrenschmidt

powerpc: remove the unused function disable_kernel_fp()

The only using of function disable_kernel_fp() was already dropped
in the commit 5daf9071 (powerpc: merge align.c).
Signed-off-by: default avatarKevin Hao <haokexin@gmail.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent e05c0e81
...@@ -18,7 +18,6 @@ extern struct task_struct *_switch(struct thread_struct *prev, ...@@ -18,7 +18,6 @@ extern struct task_struct *_switch(struct thread_struct *prev,
extern void giveup_fpu(struct task_struct *); extern void giveup_fpu(struct task_struct *);
extern void load_up_fpu(void); extern void load_up_fpu(void);
extern void disable_kernel_fp(void);
extern void enable_kernel_fp(void); extern void enable_kernel_fp(void);
extern void flush_fp_to_thread(struct task_struct *); extern void flush_fp_to_thread(struct task_struct *);
extern void enable_kernel_altivec(void); extern void enable_kernel_altivec(void);
......
...@@ -449,19 +449,6 @@ _GLOBAL(scom970_write) ...@@ -449,19 +449,6 @@ _GLOBAL(scom970_write)
blr blr
#endif /* CONFIG_CPU_FREQ_PMAC64 || CONFIG_CPU_FREQ_MAPLE */ #endif /* CONFIG_CPU_FREQ_PMAC64 || CONFIG_CPU_FREQ_MAPLE */
/*
* disable_kernel_fp()
* Disable the FPU.
*/
_GLOBAL(disable_kernel_fp)
mfmsr r3
rldicl r0,r3,(63-MSR_FP_LG),1
rldicl r3,r0,(MSR_FP_LG+1),0
mtmsrd r3 /* disable use of fpu now */
isync
blr
/* kexec_wait(phys_cpu) /* kexec_wait(phys_cpu)
* *
* wait for the flag to change, indicating this kernel is going away but * wait for the flag to change, indicating this kernel is going away but
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment