[PATCH v2] igc: Fix TX timestamp support for non-MSI-X platforms

From: James McLaughlin
Date: Fri Dec 17 2021 - 18:44:00 EST


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@xxxxxxx>
Reviewed-by: Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxx>
---

Having trouble with work email client, understand and agree with comments from 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/ethernet/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)
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}

+ if (icr & IGC_ICR_TS)
+ igc_tsync_interrupt(adapter);
+
napi_schedule(&q_vector->napi);

return IRQ_HANDLED;
@@ -5510,6 +5513,9 @@ static irqreturn_t igc_intr(int irq, void *data)
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}

+ if (icr & IGC_ICR_TS)
+ igc_tsync_interrupt(adapter);
+
napi_schedule(&q_vector->napi);

return IRQ_HANDLED;
--
2.25.1