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net: dsa: motorcomm: Use NSEC_PER_SEC

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Get rid of magic numbers.

Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20261009165825.359259-3-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
David Yang 2026-10-10 00:58:20 +08:00 committed by Jakub Kicinski
parent ba13bd277d
commit 4a8e05d62e
1 changed files with 3 additions and 3 deletions
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6
drivers/net/dsa/motorcomm/tc.c
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@ -25,14 +25,14 @@ 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 */
@ -83,7 +83,7 @@ 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++;