[RFC PATCH 2/2] net: fec: reset phy in resume if it was powered down

[Philippe Schenker]

If a board solely rely on a GPIO to reset the PHY after power-up, the
PHY won't work after a power-down where the power was cut.

Reset the PHY after power-enable in fec_resume.

Signed-off-by: Philippe Schenker <philippe.schenker@xxxxxxxxxxx>

---

 drivers/net/ethernet/freescale/fec_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 92840f18c48f..41c3825cd768 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -4118,6 +4118,10 @@ static int __maybe_unused fec_resume(struct device *dev)
 		ret = regulator_enable(fep->reg_phy);
 		if (ret)
 			return ret;
+
+		ret = fec_reset_phy(ndev);
+		if (ret)
+			return ret;
 	}
 
 	rtnl_lock();
-- 
2.34.0