netdev - [PATCH v4 3/3] net: fec: return IRQ_HANDLED if fec_ptp_check_pps

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Date:   Tue, 19 Sep 2017 17:33:09 -0700
From:   Troy Kisky <troy.kisky@...ndarydevices.com>
To:     fugang.duan@....com, netdev@...r.kernel.org, davem@...emloft.net
Cc:     fabio.estevam@....com, lznuaa@...il.com,
        Troy Kisky <troy.kisky@...ndarydevices.com>
Subject: [PATCH v4 3/3] net: fec: return IRQ_HANDLED if fec_ptp_check_pps_event handled it

fec_ptp_check_pps_event will return 1 if FEC_T_TF_MASK caused
an interrupt. Don't return IRQ_NONE in this case.

Signed-off-by: Troy Kisky <troy.kisky@...ndarydevices.com>
Acked-by: Fugang Duan <fugang.duan@....com>

---
v3: New patch, came from feedback from another patch.
v4: Added Acked-by

Signed-off-by: Troy Kisky <troy.kisky@...ndarydevices.com>
---
 drivers/net/ethernet/freescale/fec_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 464055f..3dc2d77 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1604,8 +1604,8 @@ fec_enet_interrupt(int irq, void *dev_id)
 	}
 
 	if (fep->ptp_clock)
-		fec_ptp_check_pps_event(fep);
-
+		if (fec_ptp_check_pps_event(fep))
+			ret = IRQ_HANDLED;
 	return ret;
 }
 
-- 
2.7.4