diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz9477.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index e5b2f3e45db6..bfc44799854c 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -184,22 +184,14 @@ static int ksz9477_wait_alu_ready(struct ksz_device *dev) val, !(val & ALU_START), 10, 1000); } -static int ksz9477_wait_alu_sta_ready(struct ksz_device *dev, u32 waiton, - int timeout) +static int ksz9477_wait_alu_sta_ready(struct ksz_device *dev) { - u32 data; - - do { - ksz_read32(dev, REG_SW_ALU_STAT_CTRL__4, &data); - if (!(data & waiton)) - break; - usleep_range(1, 10); - } while (timeout-- > 0); - - if (timeout <= 0) - return -ETIMEDOUT; + unsigned int val; - return 0; + return regmap_read_poll_timeout(dev->regmap[2], + REG_SW_ALU_STAT_CTRL__4, + val, !(val & ALU_STAT_START), + 10, 1000); } static int ksz9477_reset_switch(struct ksz_device *dev) @@ -821,7 +813,7 @@ static void ksz9477_port_mdb_add(struct dsa_switch *ds, int port, ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); /* wait to be finished */ - if (ksz9477_wait_alu_sta_ready(dev, ALU_STAT_START, 1000) < 0) { + if (ksz9477_wait_alu_sta_ready(dev)) { dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); goto exit; } @@ -862,7 +854,7 @@ static void ksz9477_port_mdb_add(struct dsa_switch *ds, int port, ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); /* wait to be finished */ - if (ksz9477_wait_alu_sta_ready(dev, ALU_STAT_START, 1000) < 0) + if (ksz9477_wait_alu_sta_ready(dev)) dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); exit: @@ -892,8 +884,8 @@ static int ksz9477_port_mdb_del(struct dsa_switch *ds, int port, ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); /* wait to be finished */ - ret = ksz9477_wait_alu_sta_ready(dev, ALU_STAT_START, 1000); - if (ret < 0) { + ret = ksz9477_wait_alu_sta_ready(dev); + if (ret) { dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); goto exit; } @@ -934,8 +926,8 @@ static int ksz9477_port_mdb_del(struct dsa_switch *ds, int port, ksz_write32(dev, REG_SW_ALU_STAT_CTRL__4, data); /* wait to be finished */ - ret = ksz9477_wait_alu_sta_ready(dev, ALU_STAT_START, 1000); - if (ret < 0) + ret = ksz9477_wait_alu_sta_ready(dev); + if (ret) dev_dbg(dev->dev, "Failed to read ALU STATIC\n"); exit: |