diff options
| author | Egil Hjelmeland <privat@egil-hjelmeland.no> | 2017-12-29 13:38:24 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-04 13:35:07 -0500 |
| commit | 589d197660e529dab0933261b402e079326815f8 (patch) | |
| tree | 7331b5e3c7d77f1124e6a29af640a3e11f2ef894 /drivers/net/dsa | |
| parent | b17c6b1f4538b66e9bac6710b57b343c2aafadea (diff) | |
net: dsa: lan9303: Adjust phy_addr_base expressions
Simplify calculation of chip->phy_addr_base in lan9303_detect_phy_setup().
Use GENMASK to calculate phys_mii_mask from LAN9303_NUM_PORTS and
phy_addr_base.
Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/lan9303-core.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index 3088cdc5d205..4efb772dbc7e 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -495,10 +495,7 @@ static int lan9303_detect_phy_setup(struct lan9303 *chip) return reg; } - if ((reg != 0) && (reg != 0xffff)) - chip->phy_addr_base = 1; - else - chip->phy_addr_base = 0; + chip->phy_addr_base = reg != 0 && reg != 0xffff; dev_dbg(chip->dev, "Phy setup '%s' detected\n", chip->phy_addr_base ? "1-2-3" : "0-1-2"); @@ -1283,13 +1280,16 @@ static const struct dsa_switch_ops lan9303_switch_ops = { static int lan9303_register_switch(struct lan9303 *chip) { + int base; + chip->ds = dsa_switch_alloc(chip->dev, LAN9303_NUM_PORTS); if (!chip->ds) return -ENOMEM; chip->ds->priv = chip; chip->ds->ops = &lan9303_switch_ops; - chip->ds->phys_mii_mask = chip->phy_addr_base ? 0xe : 0x7; + base = chip->phy_addr_base; + chip->ds->phys_mii_mask = GENMASK(LAN9303_NUM_PORTS - 1 + base, base); return dsa_register_switch(chip->ds); } |