Merge branch 'for-linus' of git://www.jni.nu/cris

* 'for-linus' of git://www.jni.nu/cris: (51 commits)
  CRIS: Fix alignment problem for older ld
  CRIS: Always dump registers for segfaulting process.
  CRIS: Add config for pausing a seg-faulting process
  CRIS: Don't take faults while in_atomic
  CRIS: Fixup lookup for delay slot faults
  CRIS: Discard exit.text and .data at runtime
  CRIS: Add cache aligned and read mostly data sections
  CRIS: Return something from profile write
  CRIS: Add ARTPEC-3 and timestamps for sync-serial
  CRIS: Better ARTPEC-3 support for gpio
  CRIS: Add include guard
  CRIS: Better handling of pinmux settings
  CRIS: New DMA defines for ARTPEC-3
  CRIS: __do_strncpy_from_user: Don't read the byte beyond the nil
  CRIS: Pagetable for ARTPEC-3
  CRIS: Machine dependent memmap.h
  CRIS: Check if pointer is set before using it
  CRIS: Machine dependent dma.h
  CRIS: Define __read_mostly for CRISv32
  CRIS: Discard .note.gnu.build-id section
  ...

1 files changed, 2 insertions, 52 deletions

diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
index 30adae5..00eb36f 100644
--- a/arch/cris/arch-v10/kernel/time.c
+++ b/arch/cris/arch-v10/kernel/time.c
@@ -61,66 +61,16 @@ unsigned long get_ns_in_jiffie(void)
 
 unsigned long do_slow_gettimeoffset(void)
 {
-	unsigned long count, t1;
-	unsigned long usec_count = 0;
-	unsigned short presc_count;
-
-	static unsigned long count_p = TIMER0_DIV;/* for the first call after boot */
-	static unsigned long jiffies_p = 0;
-
-	/*
-	 * cache volatile jiffies temporarily; we have IRQs turned off. 
-	 */
-	unsigned long jiffies_t;
+	unsigned long count;
 
 	/* The timer interrupt comes from Etrax timer 0. In order to get
 	 * better precision, we check the current value. It might have
 	 * underflowed already though.
 	 */
-
-#ifndef CONFIG_SVINTO_SIM
-	/* Not available in the xsim simulator. */
 	count = *R_TIMER0_DATA;
-	presc_count = *R_TIM_PRESC_STATUS;  
-	/* presc_count might be wrapped */
-	t1 = *R_TIMER0_DATA;
-	if (count != t1){
-		/* it wrapped, read prescaler again...  */
-		presc_count = *R_TIM_PRESC_STATUS;
-		count = t1;
-	}
-#else
-	count = 0;
-	presc_count = 0;
-#endif
-
- 	jiffies_t = jiffies;
 
-	/*
-	 * avoiding timer inconsistencies (they are rare, but they happen)...
-	 * there are one problem that must be avoided here:
-	 *  1. the timer counter underflows
-	 */
-	if( jiffies_t == jiffies_p ) {
-		if( count > count_p ) {
-			/* Timer wrapped, use new count and prescale 
-			 * increase the time corresponding to one jiffie
-			 */
-			usec_count = 1000000/HZ;
-		}
-	} else
-		jiffies_p = jiffies_t;
-        count_p = count;
-	if (presc_count >= PRESCALE_VALUE/2 ){
-		presc_count =  PRESCALE_VALUE - presc_count + PRESCALE_VALUE/2;
-	} else {
-		presc_count =  PRESCALE_VALUE - presc_count - PRESCALE_VALUE/2;
-	}
 	/* Convert timer value to usec */
-	usec_count += ( (TIMER0_DIV - count) * (1000000/HZ)/TIMER0_DIV ) +
-	              (( (presc_count) * (1000000000/PRESCALE_FREQ))/1000);
-
-	return usec_count;
+	return (TIMER0_DIV - count) * ((NSEC_PER_SEC/1000)/HZ)/TIMER0_DIV;
 }
 
 /* Excerpt from the Etrax100 HSDD about the built-in watchdog: