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Commit a9d608c1 authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: bcmgenet: implement GPHY power down sequence 



Implement the GPHY power down sequence by setting all power down bits, putting
the GPHY in reset, and finally cutting the 25Mhz reference clock.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0c81a8ee

drivers/net/ethernet/broadcom/genet/bcmmii.c

+7 −2
Original line number Diff line number Diff line
@@ -177,8 +177,8 @@ static void bcmgenet_phy_power_set(struct net_device *dev, bool enable) 
	if (!GENET_IS_V4(priv))

		return;



	if (enable) {

	reg = bcmgenet_ext_readl(priv, EXT_GPHY_CTRL);

	if (enable) {

		reg &= ~EXT_CK25_DIS;

		bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL);

		mdelay(1);
@@ -189,9 +189,14 @@ static void bcmgenet_phy_power_set(struct net_device *dev, bool enable) 
		mdelay(1);



		reg &= ~EXT_GPHY_RESET;

	} else {

		reg |= EXT_CFG_IDDQ_BIAS | EXT_CFG_PWR_DOWN | EXT_GPHY_RESET;

		bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL);

		udelay(60);

		mdelay(1);

		reg |= EXT_CK25_DIS;

	}

	bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL);

	udelay(60);

}



static void bcmgenet_internal_phy_setup(struct net_device *dev)