micrel: fix masking off LED bits
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Tue, 18 Mar 2014 23:58:16 +0000 (02:58 +0300)
committerDavid S. Miller <davem@davemloft.net>
Wed, 19 Mar 2014 21:41:50 +0000 (17:41 -0400)
Commit 20d8435a1cff (phy: micrel: add of configuration for LED mode) made the
obvious mistake when masking off  the LED mode bits: forgot to do a logical NOT
to the mask with which it ANDs the register value, so that unrelated bits are
cleared instead.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/phy/micrel.c

index 0c9e4342f11d2fbda7cef9121116c1dd37097dd7..5ad971a55c5d9f21ffb3ded8e9d5704534095d21 100644 (file)
@@ -167,7 +167,7 @@ static int kszphy_setup_led(struct phy_device *phydev,
        if (temp < 0)
                return temp;
 
-       temp &= 3 << shift;
+       temp &= ~(3 << shift);
        temp |= val << shift;
        rc = phy_write(phydev, reg, temp);