From:   James McLaughlin <james.mclaughlin@qsc.com>
To:     <davem@davemloft.net>, <kuba@kernel.org>,
        <jesse.brandeburg@intel.com>, <anthony.l.nguyen@intel.com>
CC:     <intel-wired-lan@lists.osuosl.org>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <vinicius.gomes@intel.com>,
        James McLaughlin <james.mclaughlin@qsc.com>
Subject: [PATCH v2] igc: Fix TX timestamp support for non-MSI-X platforms
Date:   Fri, 17 Dec 2021 16:43:10 -0700
Message-ID: <20211217234310.740255-1-james.mclaughlin@qsc.com>
MIME-Version: 1.0
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Time synchronization was not properly enabled on non-MSI-X platforms.

Fixes: 2c344ae24501 ("igc: Add support for TX timestamping")

Signed-off-by: James McLaughlin <james.mclaughlin@qsc.com>
Reviewed-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
---

Having trouble with work email client, understand and agree with comments f=
rom Vinicius.
v1->v2 updated commit message, email subject, and reference original commit=
 this is fixing.

 drivers/net/ethernet/intel/igc/igc_main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethern=
et/intel/igc/igc_main.c
index 8e448288ee26..d28a80a00953 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -5467,6 +5467,9 @@ static irqreturn_t igc_intr_msi(int irq, void *data)
 =09=09=09mod_timer(&adapter->watchdog_timer, jiffies + 1);
 =09}
=20
+=09if (icr & IGC_ICR_TS)
+=09=09igc_tsync_interrupt(adapter);
+
 =09napi_schedule(&q_vector->napi);
=20
 =09return IRQ_HANDLED;
@@ -5510,6 +5513,9 @@ static irqreturn_t igc_intr(int irq, void *data)
 =09=09=09mod_timer(&adapter->watchdog_timer, jiffies + 1);
 =09}
=20
+=09if (icr & IGC_ICR_TS)
+=09=09igc_tsync_interrupt(adapter);
+
 =09napi_schedule(&q_vector->napi);
=20
 =09return IRQ_HANDLED;
--=20
2.25.1