diff options
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/chip.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index bd61d0d3a245..b7e0513c675a 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -10,6 +10,7 @@ * Vivien Didelot <vivien.didelot@savoirfairelinux.com> */ +#include <linux/bitfield.h> #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> @@ -103,6 +104,13 @@ int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg, return -ETIMEDOUT; } +int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg, + int bit, int val) +{ + return mv88e6xxx_wait_mask(chip, addr, reg, BIT(bit), + val ? BIT(bit) : 0x0000); +} + struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip) { struct mv88e6xxx_mdio_bus *mdio_bus; @@ -2360,8 +2368,10 @@ static int mv88e6390_hidden_write(struct mv88e6xxx_chip *chip, int port, static int mv88e6390_hidden_wait(struct mv88e6xxx_chip *chip) { - return mv88e6xxx_wait(chip, PORT_RESERVED_1A_CTRL_PORT, - PORT_RESERVED_1A, PORT_RESERVED_1A_BUSY); + int bit = __bf_shf(PORT_RESERVED_1A_BUSY); + + return mv88e6xxx_wait_bit(chip, PORT_RESERVED_1A_CTRL_PORT, + PORT_RESERVED_1A, bit, 0); } |