Thread (8 messages) flat view 8 messages, 3 authors, 2016-05-05
STALE3750d

Revision v1 of 3 in this series.

Revisions (3)
  1. v1 current
  2. v3 [diff vs current]
  3. v4 [diff vs current]

[PATCH 2/3] net-next: mediatek: add fixed-phy support

From: John Crispin <hidden>
Date: 2016-05-05 09:24:37
Also in: linux-mediatek, lkml
Subsystem: mediatek ethernet driver, networking drivers, the rest · Maintainers: Felix Fietkau, Lorenzo Bianconi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

The MT7623 SoC has a builtin gigabit switch. If we want to use it, GMAC1
needs to be configured using a fixed link speed and flow control settings.
The easiest way to do this is to used the fixed-phy driver, allowing us to
reuse the existing mdio polling code to setup the MAC.

Signed-off-by: John Crispin <redacted>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c |    3 +++
 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 093073c..d397bec 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -219,6 +219,9 @@ static int mtk_phy_connect(struct mtk_mac *mac)
 	u32 val, ge_mode;
 
 	np = of_parse_phandle(mac->of_node, "phy-handle", 0);
+	if (!np && of_phy_is_fixed_link(mac->of_node))
+		if (!of_phy_register_fixed_link(mac->of_node))
+			np = of_node_get(mac->of_node);
 	if (!np)
 		return -ENODEV;
 
-- 
1.7.10.4
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