Commit 4b52d010 authored Nov 21, 2017 by Florian Fainelli Committed by David S. Miller Nov 24, 2017

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: 0fe99338 ("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>

parent e4be7bab

drivers/net/dsa/bcm_sf2.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);