MIPS: sysmips: Rewrite to use SYSCALL_DEFINE3().

Thanks to current_pt_regs() there is no need to use the dark MIPS magic.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 5 insertions, 12 deletions

diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 8c81f7d11df6..107307d583eb 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -138,10 +138,10 @@ SYSCALL_DEFINE1(set_thread_area, unsigned long, addr)
         return 0;
 }
 
-static inline int mips_atomic_set(struct pt_regs *regs,
-        unsigned long addr, unsigned long new)
+static inline int mips_atomic_set(unsigned long addr, unsigned long new)
 {
         unsigned long old, tmp;
+        struct pt_regs *regs;
         unsigned int err;
 
         if (unlikely(addr & 3))
@@ -222,6 +222,7 @@ static inline int mips_atomic_set(struct pt_regs *regs,
         if (unlikely(err))
                 return err;
 
+        regs = current_pt_regs();
         regs->regs[2] = old;
         regs->regs[7] = 0;      /* No error */
 
@@ -238,19 +239,11 @@ static inline int mips_atomic_set(struct pt_regs *regs,
         unreachable();
 }
 
-save_static_function(sys_sysmips);
-static int __used noinline
-_sys_sysmips(nabi_no_regargs struct pt_regs regs)
+SYSCALL_DEFINE3(sysmips, long, cmd, long, arg1, long, arg2)
 {
-        long cmd, arg1, arg2;
-
-        cmd = regs.regs[4];
-        arg1 = regs.regs[5];
-        arg2 = regs.regs[6];
-
         switch (cmd) {
         case MIPS_ATOMIC_SET:
-                return mips_atomic_set(&regs, arg1, arg2);
+                return mips_atomic_set(arg1, arg2);
 
         case MIPS_FIXADE:
                 if (arg1 & ~3)