bsps/arm: Fix Cortex-A9 MPCore nanoseconds handler

2013-11-14 15:55:51 +01:00
parent 2c93c5ae64
commit a3b1fcd977
1 changed files with 1 additions and 1 deletions
--- a/c/src/lib/libbsp/arm/shared/arm-a9mpcore-clock-config.c
+++ b/c/src/lib/libbsp/arm/shared/arm-a9mpcore-clock-config.c
@@ -88,7 +88,7 @@ static uint32_t a9mpcore_clock_nanoseconds_since_last_tick(void)
  uint32_t p = pt->load + 1;

  if ((pt->irqst & A9MPCORE_PT_IRQST_EFLG) != 0) {
-    c = pt->cntr + p;
+    c = pt->cntr - p;
  }

  return (uint32_t) (((p - c) * k) >> 32);