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Message-Id: <1702883201-29632-1-git-send-email-jun.ann.lai@intel.com>
Date: Mon, 18 Dec 2023 15:06:41 +0800
From: Lai Peter Jun Ann <jun.ann.lai@...el.com>
To: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: netdev@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Song Yoong Siang <yoong.siang.song@...el.com>,
	Lai Peter Jun Ann <jun.ann.lai@...el.com>
Subject: [PATCH net 1/1] net: stmmac: fix incorrect flag check in timestamp interrupt

The driver should continue get the timestamp if STMMAC_FLAG_EXT_SNAPSHOT_EN
flag is set.

Signed-off-by: Song Yoong Siang <yoong.siang.song@...el.com>
Signed-off-by: Lai Peter Jun Ann <jun.ann.lai@...el.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
index 540f6a4..f05bd75 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
@@ -237,7 +237,7 @@ static void timestamp_interrupt(struct stmmac_priv *priv)
 	 */
 	ts_status = readl(priv->ioaddr + GMAC_TIMESTAMP_STATUS);
 
-	if (priv->plat->flags & STMMAC_FLAG_EXT_SNAPSHOT_EN)
+	if (!(priv->plat->flags & STMMAC_FLAG_EXT_SNAPSHOT_EN))
 		return;
 
 	num_snapshot = (ts_status & GMAC_TIMESTAMP_ATSNS_MASK) >>
-- 
1.9.1


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