diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/serdes.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/serdes.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c index e60e8f0d0225..3195936dc5be 100644 --- a/drivers/net/dsa/mv88e6xxx/serdes.c +++ b/drivers/net/dsa/mv88e6xxx/serdes.c @@ -400,14 +400,16 @@ void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p) { u16 *p = _p; u16 reg; + int err; int i; if (!mv88e6352_port_has_serdes(chip, port)) return; for (i = 0 ; i < 32; i++) { - mv88e6352_serdes_read(chip, i, ®); - p[i] = reg; + err = mv88e6352_serdes_read(chip, i, ®); + if (!err) + p[i] = reg; } } @@ -1096,6 +1098,7 @@ void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p) u16 *p = _p; int lane; u16 reg; + int err; int i; lane = mv88e6xxx_serdes_get_lane(chip, port); @@ -1103,8 +1106,9 @@ void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p) return; for (i = 0 ; i < ARRAY_SIZE(mv88e6390_serdes_regs); i++) { - mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS, - mv88e6390_serdes_regs[i], ®); - p[i] = reg; + err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS, + mv88e6390_serdes_regs[i], ®); + if (!err) + p[i] = reg; } } |