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-rw-r--r--src/northbridge/intel/i945/udelay.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/northbridge/intel/i945/udelay.c b/src/northbridge/intel/i945/udelay.c
index 9740c0870f..3a96c79aae 100644
--- a/src/northbridge/intel/i945/udelay.c
+++ b/src/northbridge/intel/i945/udelay.c
@@ -30,8 +30,8 @@ static void udelay(u32 us)
tsc_t tsc, tsc1, tscd;
msr_t msr;
u32 fsb = 0, divisor;
- u32 d;
- u32 dn = 0x1000000 / 2;
+ u32 d; /* ticks per us */
+ u32 dn = 0x1000000 / 2; /* how many us before we need to use hi */
msr = rdmsr(0xcd);
switch (msr.lo & 0x07) {