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>
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@ -34,7 +34,7 @@ static union sh_fpu_union init_fpuregs = {
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}
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}
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};
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};
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void save_fpu(struct task_struct *tsk, struct pt_regs *regs)
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void save_fpu(struct task_struct *tsk)
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{
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{
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asm volatile("fst.p %0, (0*8), fp0\n\t"
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asm volatile("fst.p %0, (0*8), fp0\n\t"
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"fst.p %0, (1*8), fp2\n\t"
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"fst.p %0, (1*8), fp2\n\t"
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@ -153,7 +153,7 @@ do_fpu_state_restore(unsigned long ex, struct pt_regs *regs)
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enable_fpu();
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enable_fpu();
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if (last_task_used_math != NULL)
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if (last_task_used_math != NULL)
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/* Other processes fpu state, save away */
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/* Other processes fpu state, save away */
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save_fpu(last_task_used_math, regs);
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save_fpu(last_task_used_math);
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last_task_used_math = current;
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last_task_used_math = current;
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if (used_math()) {
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if (used_math()) {
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@ -404,7 +404,7 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
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if (fpvalid) {
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if (fpvalid) {
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if (current == last_task_used_math) {
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if (current == last_task_used_math) {
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enable_fpu();
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enable_fpu();
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save_fpu(tsk, regs);
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save_fpu(tsk);
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disable_fpu();
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disable_fpu();
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last_task_used_math = 0;
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last_task_used_math = 0;
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regs->sr |= SR_FD;
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regs->sr |= SR_FD;
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@ -431,7 +431,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
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#ifdef CONFIG_SH_FPU
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#ifdef CONFIG_SH_FPU
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if(last_task_used_math == current) {
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if(last_task_used_math == current) {
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enable_fpu();
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enable_fpu();
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save_fpu(current, regs);
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save_fpu(current);
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disable_fpu();
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disable_fpu();
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last_task_used_math = NULL;
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last_task_used_math = NULL;
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regs->sr |= SR_FD;
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regs->sr |= SR_FD;
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@ -82,7 +82,7 @@ get_fpu_long(struct task_struct *task, unsigned long addr)
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if (last_task_used_math == task) {
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if (last_task_used_math == task) {
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enable_fpu();
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enable_fpu();
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save_fpu(task, regs);
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save_fpu(task);
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disable_fpu();
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disable_fpu();
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last_task_used_math = 0;
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last_task_used_math = 0;
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regs->sr |= SR_FD;
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regs->sr |= SR_FD;
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@ -118,7 +118,7 @@ put_fpu_long(struct task_struct *task, unsigned long addr, unsigned long data)
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set_stopped_child_used_math(task);
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set_stopped_child_used_math(task);
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} else if (last_task_used_math == task) {
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} else if (last_task_used_math == task) {
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enable_fpu();
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enable_fpu();
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save_fpu(task, regs);
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save_fpu(task);
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disable_fpu();
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disable_fpu();
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last_task_used_math = 0;
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last_task_used_math = 0;
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regs->sr |= SR_FD;
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regs->sr |= SR_FD;
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@ -314,7 +314,7 @@ setup_sigcontext_fpu(struct pt_regs *regs, struct sigcontext __user *sc)
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if (current == last_task_used_math) {
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if (current == last_task_used_math) {
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enable_fpu();
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enable_fpu();
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save_fpu(current, regs);
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save_fpu(current);
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disable_fpu();
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disable_fpu();
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last_task_used_math = NULL;
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last_task_used_math = NULL;
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regs->sr |= SR_FD;
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regs->sr |= SR_FD;
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@ -600,7 +600,7 @@ static int misaligned_fpu_load(struct pt_regs *regs,
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indexed by register number. */
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indexed by register number. */
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if (last_task_used_math == current) {
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if (last_task_used_math == current) {
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enable_fpu();
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enable_fpu();
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save_fpu(current, regs);
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save_fpu(current);
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disable_fpu();
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disable_fpu();
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last_task_used_math = NULL;
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last_task_used_math = NULL;
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regs->sr |= SR_FD;
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regs->sr |= SR_FD;
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@ -673,7 +673,7 @@ static int misaligned_fpu_store(struct pt_regs *regs,
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indexed by register number. */
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indexed by register number. */
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if (last_task_used_math == current) {
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if (last_task_used_math == current) {
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enable_fpu();
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enable_fpu();
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save_fpu(current, regs);
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save_fpu(current);
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disable_fpu();
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disable_fpu();
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last_task_used_math = NULL;
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last_task_used_math = NULL;
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regs->sr |= SR_FD;
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regs->sr |= SR_FD;
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