Currently, the function mv88e6xxx_smi_init() returns -EINVAL if the bit
zero of sw_addr is 0x1. However, on some platforms, ethernet switches
are configured in Multi chip addressing mode and available at MDIO
address 0x1.
Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxxxxxxx>
---
drivers/net/dsa/mv88e6xxx/chip.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index f7222dc..b5f0e1e 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4240,10 +4240,6 @@ static void mv88e6xxx_phy_destroy(struct mv88e6xxx_chip *chip)
static int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip,
struct mii_bus *bus, int sw_addr)
{
- /* ADDR[0] pin is unavailable externally and considered zero */
- if (sw_addr & 0x1)
- return -EINVAL;
-
if (sw_addr == 0)
chip->smi_ops = &mv88e6xxx_smi_single_chip_ops;
else if (mv88e6xxx_has(chip, MV88E6XXX_FLAGS_MULTI_CHIP))
--
2.9.3
--
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