[PATCH net-next 2/4] net: stmmac: stm32: add WoL from PHY support

[Gatien Chevallier <gatien.chevallier@foss.st.com>]

If the "st,phy-wol" property is present in the device tree node,
set the STMMAC_FLAG_USE_PHY_WOL flag to use the WoL capability of
the PHY.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index 1eb16eec9c0d26eb21238433a77d77b4486f4ac3..443d4cec5d8c6bf074c2fabc75b97997b1020fe8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -106,6 +106,7 @@ struct stm32_dwmac {
 	u32 speed;
 	const struct stm32_ops *ops;
 	struct device *dev;
+	bool phy_wol;
 };
 
 struct stm32_ops {
@@ -433,6 +434,8 @@ static int stm32_dwmac_parse_data(struct stm32_dwmac *dwmac,
 		}
 	}
 
+	dwmac->phy_wol = of_property_read_bool(np, "st,phy-wol");
+
 	return err;
 }
 
@@ -535,6 +538,8 @@ static int stm32_dwmac_probe(struct platform_device *pdev)
 
 	plat_dat->flags |= STMMAC_FLAG_EN_TX_LPI_CLK_PHY_CAP;
 	plat_dat->bsp_priv = dwmac;
+	if (dwmac->phy_wol)
+		plat_dat->flags |= STMMAC_FLAG_USE_PHY_WOL;
 
 	ret = stm32_dwmac_init(plat_dat);
 	if (ret)

-- 
2.35.3