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    Subject[PATCH 5.15 38/73] igc: Fix TX timestamp support for non-MSI-X platforms
    Date
    From: James McLaughlin <james.mclaughlin@qsc.com>

    [ Upstream commit f85846bbf43de38fb2c89fe7d2a085608c4eb25a ]

    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>
    Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
    Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 0e19b4d02e628..0a96627391a8c 100644
    --- a/drivers/net/ethernet/intel/igc/igc_main.c
    +++ b/drivers/net/ethernet/intel/igc/igc_main.c
    @@ -5466,6 +5466,9 @@ 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;
    @@ -5509,6 +5512,9 @@ 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;
    --
    2.34.1


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