[RESEND PATCH 1/4] net: stmmac: dwmac-rk: fixes the gmac resume after PD on/off
From: Caesar Wang <hidden>
Date: 2016-08-31 06:14:33
Also in:
linux-rockchip, 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, Linus Torvalds
From: Roger Chen <redacted> GMAC Power Domain(PD) will be disabled during suspend. That will causes GRF registers reset. So corresponding GRF registers for GMAC must be setup again. Signed-off-by: Roger Chen <redacted> Signed-off-by: Caesar Wang <redacted> --- drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 9210591..289e7a6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c@@ -629,6 +629,16 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, "rockchip,grf"); bsp_priv->pdev = pdev; + gmac_clk_init(bsp_priv); + + return bsp_priv; +} + +static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) +{ + int ret; + struct device *dev = &bsp_priv->pdev->dev; + /*rmii or rgmii*/ if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RGMII) { dev_info(dev, "init for RGMII\n");
@@ -641,15 +651,6 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, dev_err(dev, "NO interface defined!\n"); } - gmac_clk_init(bsp_priv); - - return bsp_priv; -} - -static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) -{ - int ret; - ret = phy_power_on(bsp_priv, true); if (ret) return ret;
--
1.9.1