diff options
| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2022-08-26 12:56:21 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-08-31 09:41:19 +0100 |
| commit | 8f420456792308639fcbc15462050c521fbd127d (patch) | |
| tree | f824bb507b55f8856bf91891749c642188250c5b /drivers/net/dsa/microchip/ksz_common.c | |
| parent | d7539fc2b41a126d596d1e5777e0697a4acc692c (diff) | |
net: dsa: microchip: allow to pass return values for PHY read/write accesses
PHY access may end with errors on different levels. So, allow to forward
return values where possible.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.c')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz_common.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 7b6d7efc0a00..099c7bf69940 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -1132,8 +1132,11 @@ static int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg) { struct ksz_device *dev = ds->priv; u16 val = 0xffff; + int ret; - dev->dev_ops->r_phy(dev, addr, reg, &val); + ret = dev->dev_ops->r_phy(dev, addr, reg, &val); + if (ret) + return ret; return val; } @@ -1141,8 +1144,11 @@ static int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg) static int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val) { struct ksz_device *dev = ds->priv; + int ret; - dev->dev_ops->w_phy(dev, addr, reg, val); + ret = dev->dev_ops->w_phy(dev, addr, reg, val); + if (ret) + return ret; return 0; } |