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
---
drivers/net/dsa/bcm_sf2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 93faa1fed6f2..ea01f24f15e7 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/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);
--
2.9.3