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net: stmmac: dwmac-rk: fixes the gmac resume after PD on/off

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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 <roger.chen@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roger Chen 2016-09-02 01:50:00 +08:00 committed by David S. Miller
parent ba289af802
commit 45383f528f
1 changed files with 10 additions and 9 deletions
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19
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
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@ -853,6 +853,16 @@ 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");
@ -865,15 +875,6 @@ 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;