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sh: Fix up FPU build for SH5 

After the recent FPU optimisation commit the signature of save_fpu()
changed. "regs" wasn't used in the implementation of save_fpu() anyway.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
hifive-unleashed-5.1
Matt Fleming 2009-12-14 20:12:04 +00:00 committed by Paul Mundt
parent e76fe57447
commit 61cc7b0a17
5 changed files with 9 additions and 9 deletions
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4
arch/sh/kernel/cpu/sh5/fpu.c
View File

@ -34,7 +34,7 @@ static union sh_fpu_union init_fpuregs = {
}
};
void save_fpu(struct task_struct *tsk, struct pt_regs *regs)
void save_fpu(struct task_struct *tsk)
{
asm volatile("fst.p %0, (0*8), fp0\n\t"
"fst.p %0, (1*8), fp2\n\t"
@ -153,7 +153,7 @@ do_fpu_state_restore(unsigned long ex, struct pt_regs *regs)
enable_fpu();
if (last_task_used_math != NULL)
/* Other processes fpu state, save away */
save_fpu(last_task_used_math, regs);
save_fpu(last_task_used_math);
last_task_used_math = current;
if (used_math()) {

4
arch/sh/kernel/process_64.c
View File

@ -404,7 +404,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
if (fpvalid) {
if (current == last_task_used_math) {
enable_fpu();
save_fpu(tsk, regs);
save_fpu(tsk);
disable_fpu();
last_task_used_math = 0;
regs->sr |= SR_FD;
@ -431,7 +431,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
#ifdef CONFIG_SH_FPU
if(last_task_used_math == current) {
enable_fpu();
save_fpu(current, regs);
save_fpu(current);
disable_fpu();
last_task_used_math = NULL;
regs->sr |= SR_FD;

4
arch/sh/kernel/ptrace_64.c
View File

@ -82,7 +82,7 @@ get_fpu_long(struct task_struct *task, unsigned long addr)
if (last_task_used_math == task) {
enable_fpu();
save_fpu(task, regs);
save_fpu(task);
disable_fpu();
last_task_used_math = 0;
regs->sr |= SR_FD;
@ -118,7 +118,7 @@ put_fpu_long(struct task_struct *task, unsigned long addr, unsigned long data)
set_stopped_child_used_math(task);
} else if (last_task_used_math == task) {
enable_fpu();
save_fpu(task, regs);
save_fpu(task);
disable_fpu();
last_task_used_math = 0;
regs->sr |= SR_FD;

2
arch/sh/kernel/signal_64.c
View File

@ -314,7 +314,7 @@ setup_sigcontext_fpu(struct pt_regs *regs, struct sigcontext __user *sc)
if (current == last_task_used_math) {
enable_fpu();
save_fpu(current, regs);
save_fpu(current);
disable_fpu();
last_task_used_math = NULL;
regs->sr |= SR_FD;

4
arch/sh/kernel/traps_64.c
View File

@ -600,7 +600,7 @@ static int misaligned_fpu_load(struct pt_regs *regs,
indexed by register number. */
if (last_task_used_math == current) {
enable_fpu();
save_fpu(current, regs);
save_fpu(current);
disable_fpu();
last_task_used_math = NULL;
regs->sr |= SR_FD;
@ -673,7 +673,7 @@ static int misaligned_fpu_store(struct pt_regs *regs,
indexed by register number. */
if (last_task_used_math == current) {
enable_fpu();
save_fpu(current, regs);
save_fpu(current);
disable_fpu();
last_task_used_math = NULL;
regs->sr |= SR_FD;