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phy: mvebu-cp110-comphy: fix mux error check 

The mux value is retrieved from the mvebu_comphy_get_mux() function
which returns an int. In mvebu_comphy_power_on() this int is stored to a
u32 and a check is made to ensure it's not negative. Which is wrong.
This fixes it.

Fixes: d0438bd6aa ("phy: add the mvebu cp110 comphy driver")
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Antoine Tenart 2017-09-18 10:04:20 +02:00 committed by Kishon Vijay Abraham I
parent 554a56fc83
commit caef3e0b65
1 changed files with 2 additions and 2 deletions
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4
drivers/phy/marvell/phy-mvebu-cp110-comphy.c
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@ -468,8 +468,8 @@ static int mvebu_comphy_power_on(struct phy *phy)
{
struct mvebu_comphy_lane *lane = phy_get_drvdata(phy);
struct mvebu_comphy_priv *priv = lane->priv;
int ret;
u32 mux, val;
int ret, mux;
u32 val;
mux = mvebu_comphy_get_mux(lane->id, lane->port, lane->mode);
if (mux < 0)