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net: stmmac: allow a tc-taprio base-time of zero

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[ Upstream commit f64ab8e4f3 ]

Commit fe28c53ed7 ("net: stmmac: fix taprio configuration when
base_time is in the past") allowed some base time values in the past,
but apparently not all, the base-time value of 0 (Jan 1st 1970) is still
explicitly denied by the driver.

Remove the bogus check.

Fixes: b60189e039 ("net: stmmac: Integrate EST with TAPRIO scheduler API")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vladimir Oltean
2021-11-08 22:28:54 +02:00
committed by Greg Kroah-Hartman
parent b30459c0ca
commit ad3d219e84
1 changed files with 0 additions and 2 deletions
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drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
-2
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@@ -679,8 +679,6 @@ static int tc_setup_taprio(struct stmmac_priv *priv,
goto disable; goto disable;
if (qopt->num_entries >= dep) if (qopt->num_entries >= dep)
return -EINVAL; return -EINVAL;
if (!qopt->base_time)
return -ERANGE;
if (!qopt->cycle_time) if (!qopt->cycle_time)
return -ERANGE; return -ERANGE;