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-rw-r--r--drivers/phy/marvell/phy-mvebu-a3700-comphy.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
index 0ebac46435bd..1a138be8bd6a 100644
--- a/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
+++ b/drivers/phy/marvell/phy-mvebu-a3700-comphy.c
@@ -26,6 +26,7 @@
#define COMPHY_SIP_POWER_ON 0x82000001
#define COMPHY_SIP_POWER_OFF 0x82000002
#define COMPHY_SIP_PLL_LOCK 0x82000003
+#define COMPHY_FW_NOT_SUPPORTED (-1)
#define COMPHY_FW_MODE_SATA 0x1
#define COMPHY_FW_MODE_SGMII 0x2
@@ -169,6 +170,7 @@ static int mvebu_a3700_comphy_power_on(struct phy *phy)
struct mvebu_a3700_comphy_lane *lane = phy_get_drvdata(phy);
u32 fw_param;
int fw_mode;
+ int ret;
fw_mode = mvebu_a3700_comphy_get_fw_mode(lane->id, lane->port,
lane->mode, lane->submode);
@@ -217,7 +219,12 @@ static int mvebu_a3700_comphy_power_on(struct phy *phy)
return -ENOTSUPP;
}
- return mvebu_a3700_comphy_smc(COMPHY_SIP_POWER_ON, lane->id, fw_param);
+ ret = mvebu_a3700_comphy_smc(COMPHY_SIP_POWER_ON, lane->id, fw_param);
+ if (ret == COMPHY_FW_NOT_SUPPORTED)
+ dev_err(lane->dev,
+ "unsupported SMC call, try updating your firmware\n");
+
+ return ret;
}
static int mvebu_a3700_comphy_power_off(struct phy *phy)