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net: dsa: mv88e6xxx: remove unneeded cmode initialization 

This partially reverts ed8fe20205 ("net: dsa: mv88e6xxx: prevent
interrupt storm caused by mv88e6390x_port_set_cmode"). I missed
that chip->ports[].cmode is overwritten anyway by the cmode
caching in mv88e6xxx_setup().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2019-03-23 19:45:13 +01:00 committed by David S. Miller
parent 32705592f9
commit 863d1a8d55
2 changed files with 0 additions and 12 deletions
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11
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -4631,14 +4631,6 @@ static int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip,
return 0;
}
static void mv88e6xxx_ports_cmode_init(struct mv88e6xxx_chip *chip)
{
int i;
for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
chip->ports[i].cmode = MV88E6XXX_PORT_STS_CMODE_INVALID;
}
static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
int port)
{
@ -4675,8 +4667,6 @@ static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
if (err)
goto free;
mv88e6xxx_ports_cmode_init(chip);
mutex_lock(&chip->reg_lock);
err = mv88e6xxx_switch_reset(chip);
mutex_unlock(&chip->reg_lock);
@ -4915,7 +4905,6 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
if (err)
goto out;
mv88e6xxx_ports_cmode_init(chip);
mv88e6xxx_phy_init(chip);
if (chip->info->ops->get_eeprom) {

1
drivers/net/dsa/mv88e6xxx/port.h
View File

@ -52,7 +52,6 @@
#define MV88E6185_PORT_STS_CMODE_1000BASE_X 0x0005
#define MV88E6185_PORT_STS_CMODE_PHY 0x0006
#define MV88E6185_PORT_STS_CMODE_DISABLED 0x0007
#define MV88E6XXX_PORT_STS_CMODE_INVALID 0xff
/* Offset 0x01: MAC (or PCS or Physical) Control Register */
#define MV88E6XXX_PORT_MAC_CTL 0x01