[PATCH] mips: fix-up schedule_timeout() usage

Use schedule_timeout_interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.  Also, replace
custom timespectojiffies() function with globally availabe
timespec_to_jiffies().

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 3 insertions, 17 deletions

diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c
index 4c114ae21793..eff89322ba50 100644
--- a/arch/mips/kernel/irixsig.c
+++ b/arch/mips/kernel/irixsig.c
@@ -440,18 +440,6 @@ struct irix5_siginfo {
         } stuff;
 };
 
-static inline unsigned long timespectojiffies(struct timespec *value)
-{
-        unsigned long sec = (unsigned) value->tv_sec;
-        long nsec = value->tv_nsec;
-
-        if (sec > (LONG_MAX / HZ))
-                return LONG_MAX;
-        nsec += 1000000000L / HZ - 1;
-        nsec /= 1000000000L / HZ;
-        return HZ * sec + nsec;
-}
-
 asmlinkage int irix_sigpoll_sys(unsigned long *set, struct irix5_siginfo *info,
                                 struct timespec *tp)
 {
@@ -489,14 +477,13 @@ asmlinkage int irix_sigpoll_sys(unsigned long *set, struct irix5_siginfo *info,
                         error = -EINVAL;
                         goto out;
                 }
-                expire = timespectojiffies(tp)+(tp->tv_sec||tp->tv_nsec);
+                expire = timespec_to_jiffies(tp) + (tp->tv_sec||tp->tv_nsec);
         }
 
         while(1) {
                 long tmp = 0;
 
-                current->state = TASK_INTERRUPTIBLE;
-                expire = schedule_timeout(expire);
+                expire = schedule_timeout_interruptible(expire);
 
                 for (i=0; i<=4; i++)
                         tmp |= (current->pending.signal.sig[i] & kset.sig[i]);
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
index b46595462717..4de155699c4f 100644
--- a/arch/mips/kernel/sysirix.c
+++ b/arch/mips/kernel/sysirix.c
@@ -1032,8 +1032,7 @@ bad:
 
 asmlinkage int irix_sginap(int ticks)
 {
-        current->state = TASK_INTERRUPTIBLE;
-        schedule_timeout(ticks);
+        schedule_timeout_interruptible(ticks);
         return 0;
 }