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From: Vladimir Oltean <vladimir.oltean@nxp.com>
To: netdev@vger.kernel.org
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Xiaoliang Yang <xiaoliang.yang_1@nxp.com>,
	Yannick Vignon <yannick.vignon@nxp.com>
Subject: [PATCH net] net: stmmac: allow a tc-taprio base-time of zero
Date: Mon,  8 Nov 2021 22:28:54 +0200	[thread overview]
Message-ID: <20211108202854.1740995-1-vladimir.oltean@nxp.com> (raw)

Commit fe28c53ed71d ("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: b60189e0392f ("net: stmmac: Integrate EST with TAPRIO scheduler API")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
index 8160087ee92f..1c4ea0b1b845 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
@@ -786,8 +786,6 @@ static int tc_setup_taprio(struct stmmac_priv *priv,
 		goto disable;
 	if (qopt->num_entries >= dep)
 		return -EINVAL;
-	if (!qopt->base_time)
-		return -ERANGE;
 	if (!qopt->cycle_time)
 		return -ERANGE;
 
-- 
2.25.1


             reply	other threads:[~2021-11-08 20:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-08 20:28 Vladimir Oltean [this message]
2021-11-09  8:20 ` [PATCH net] net: stmmac: allow a tc-taprio base-time of zero Kurt Kanzenbach
2021-11-09 10:35   ` Vladimir Oltean
2021-11-09 14:19     ` [Linux-stm32] " Ahmad Fatoum
2021-11-09 14:22       ` Vladimir Oltean
2021-11-10 12:38         ` Vladimir Oltean
2021-11-11 10:48           ` Holger Assmann
2021-11-09 14:47     ` Kurt Kanzenbach
2021-11-09 15:08       ` Yannick Vignon
2021-11-16 12:18         ` Kurt Kanzenbach
2021-11-10 14:40 ` patchwork-bot+netdevbpf

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