[PATCH net-next 2/6] net: dsa: motorcomm: Use NSEC_PER_SEC

[David Yang <mmyangfl@gmail.com>]

Get rid of magic numbers.

Signed-off-by: David Yang <mmyangfl@gmail.com>
---
 drivers/net/dsa/motorcomm/tc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dsa/motorcomm/tc.c b/drivers/net/dsa/motorcomm/tc.c
index 38dd4ec60bbc..7717f1e17923 100644
--- a/drivers/net/dsa/motorcomm/tc.c
+++ b/drivers/net/dsa/motorcomm/tc.c
@@ -28,14 +28,14 @@ static u32 rate2token(u64 rate, unsigned int slot_ns, int unit, int C)
 {
 	int e = 2 * unit + C + YT921X_TOKEN_RATE_C;
 
-	return div_u64(ldexpu64(slot_ns * rate, -e), 1000000000);
+	return div_u64(ldexpu64(slot_ns * rate, -e), NSEC_PER_SEC);
 }
 
 static u64 token2rate(u32 token, unsigned int slot_ns, int unit, int C)
 {
 	int e = 2 * unit + C + YT921X_TOKEN_RATE_C;
 
-	return div_u64(ldexpu64(mul_u32_u32(1000000000, token), e), slot_ns);
+	return div_u64(ldexpu64(mul_u32_u32(NSEC_PER_SEC, token), e), slot_ns);
 }
 
 /* burst = 2^C * token * 4^unit */
@@ -86,7 +86,7 @@ yt921x_marker_tfm(struct yt921x_marker *marker, u64 rate, u64 burst,
 	}
 
 	/* Check for matching burst */
-	burst_est = div_u64(slot_ns * rate, 1000000000);
+	burst_est = div_u64(slot_ns * rate, NSEC_PER_SEC);
 	burst_sug = burst_est;
 	if (flags & YT921X_MARKER_PKT_MODE)
 		burst_sug++;
-- 
2.53.0