net: dsa: bcm_sf2: Clear IDDQ_GLOBAL_PWR bit for PHY

The PHY on BCM7278 has an additional bit that needs to be cleared:
IDDQ_GLOBAL_PWR, without doing this, the PHY remains stuck in reset out
of suspend/resume cycles.

Fixes: 0fe9933804eb ("net: dsa: bcm_sf2: Add support for BCM7278 integrated switch")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/bcm_sf2.c

@@ -95,7 +95,7 @@ static void bcm_sf2_gphy_enable_set(struct dsa_switch *ds, bool enable)
 	reg = reg_readl(priv, REG_SPHY_CNTRL);
 	if (enable) {
 		reg |= PHY_RESET;
-		reg &= ~(EXT_PWR_DOWN | IDDQ_BIAS | CK25_DIS);
+		reg &= ~(EXT_PWR_DOWN | IDDQ_BIAS | IDDQ_GLOBAL_PWR | CK25_DIS);
 		reg_writel(priv, reg, REG_SPHY_CNTRL);
 		udelay(21);
 		reg = reg_readl(priv, REG_SPHY_CNTRL);