linux-kernel - [PATCH net] net: stmmac: selftests: Flow Control test can also run with ASYM Pause

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Message-Id: <da7e2fb08061b4b89332c0ef014e053f98832894.1569223775.git.Jose.Abreu@synopsys.com>
Date:   Mon, 23 Sep 2019 09:30:43 +0200
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     netdev@...r.kernel.org
Cc:     Joao Pinto <Joao.Pinto@...opsys.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH net] net: stmmac: selftests: Flow Control test can also run with ASYM Pause

From: Jose Abreu <joabreu@...opsys.com>

The Flow Control selftest is also available with ASYM Pause. Lets add
this check to the test and fix eventual false positive failures.

Fixes: 091810dbded9 ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@...opsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: Alexandre Torgue <alexandre.torgue@...com>
Cc: Jose Abreu <joabreu@...opsys.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: netdev@...r.kernel.org
Cc: linux-stm32@...md-mailman.stormreply.com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index 9c8d210b2d6a..5f66f6161629 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -670,7 +670,7 @@ static int stmmac_test_flowctrl(struct stmmac_priv *priv)
 	unsigned int pkt_count;
 	int i, ret = 0;
 
-	if (!phydev || !phydev->pause)
+	if (!phydev || (!phydev->pause && !phydev->asym_pause))
 		return -EOPNOTSUPP;
 
 	tpriv = kzalloc(sizeof(*tpriv), GFP_KERNEL);
-- 
2.7.4