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-rw-r--r--arch/m32r/kernel/time.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index 3c4707280a52..8a2b77bc5749 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -205,8 +205,7 @@ static long last_rtc_update = 0;
205 * timer_interrupt() needs to keep up the real-time clock, 205 * timer_interrupt() needs to keep up the real-time clock,
206 * as well as call the "do_timer()" routine every clocktick 206 * as well as call the "do_timer()" routine every clocktick
207 */ 207 */
208static inline void 208irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
209do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
210{ 209{
211#ifndef CONFIG_SMP 210#ifndef CONFIG_SMP
212 profile_tick(CPU_PROFILING, regs); 211 profile_tick(CPU_PROFILING, regs);
@@ -221,6 +220,7 @@ do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
221 * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be 220 * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
222 * called as close as possible to 500 ms before the new second starts. 221 * called as close as possible to 500 ms before the new second starts.
223 */ 222 */
223 write_seqlock(&xtime_lock);
224 if ((time_status & STA_UNSYNC) == 0 224 if ((time_status & STA_UNSYNC) == 0
225 && xtime.tv_sec > last_rtc_update + 660 225 && xtime.tv_sec > last_rtc_update + 660
226 && (xtime.tv_nsec / 1000) >= 500000 - ((unsigned)TICK_SIZE) / 2 226 && (xtime.tv_nsec / 1000) >= 500000 - ((unsigned)TICK_SIZE) / 2
@@ -231,6 +231,7 @@ do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
231 else /* do it again in 60 s */ 231 else /* do it again in 60 s */
232 last_rtc_update = xtime.tv_sec - 600; 232 last_rtc_update = xtime.tv_sec - 600;
233 } 233 }
234 write_sequnlock(&xtime_lock);
234 /* As we return to user mode fire off the other CPU schedulers.. 235 /* As we return to user mode fire off the other CPU schedulers..
235 this is basically because we don't yet share IRQ's around. 236 this is basically because we don't yet share IRQ's around.
236 This message is rigged to be safe on the 386 - basically it's 237 This message is rigged to be safe on the 386 - basically it's
@@ -238,14 +239,8 @@ do_timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
238 239
239#ifdef CONFIG_SMP 240#ifdef CONFIG_SMP
240 smp_local_timer_interrupt(regs); 241 smp_local_timer_interrupt(regs);
242 smp_send_timer();
241#endif 243#endif
242}
243
244irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
245{
246 write_seqlock(&xtime_lock);
247 do_timer_interrupt(irq, NULL, regs);
248 write_sequnlock(&xtime_lock);
249 244
250 return IRQ_HANDLED; 245 return IRQ_HANDLED;
251} 246}