[PATCH] net: stmmac: dwmac-rk: keep PHY up for WoL
From: Vincent Palatin <hidden>
Date: 2016-06-03 17:29:27
Also in:
lkml
Subsystem:
arm/rockchip soc support, networking drivers, stmmac ethernet driver, the rest · Maintainers:
Heiko Stuebner, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds
Do not shutdown the PHY if Wake-on-Lan is enabled, else it cannot wake us up. Signed-off-by: Vincent Palatin <redacted> --- drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 0cd3ecf..2e45e75 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c@@ -534,6 +534,10 @@ static int rk_gmac_init(struct platform_device *pdev, void *priv) struct rk_priv_data *bsp_priv = priv; int ret; + /* Keep the PHY up if we use Wake-on-Lan. */ + if (device_may_wakeup(&pdev->dev)) + return 0; + ret = phy_power_on(bsp_priv, true); if (ret) return ret;
@@ -549,6 +553,10 @@ static void rk_gmac_exit(struct platform_device *pdev, void *priv) { struct rk_priv_data *gmac = priv; + /* The PHY was up for Wake-on-Lan. */ + if (device_may_wakeup(&pdev->dev)) + return; + phy_power_on(gmac, false); gmac_clk_enable(gmac, false); }
--
2.8.0.rc3.226.g39d4020