diff options
| -rw-r--r-- | drivers/net/ethoc.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c index 43431ffcf6c..f3048faa3c6 100644 --- a/drivers/net/ethoc.c +++ b/drivers/net/ethoc.c @@ -611,13 +611,13 @@ static int ethoc_poll(struct napi_struct *napi, int budget) static int ethoc_mdio_read(struct mii_bus *bus, int phy, int reg) { - unsigned long timeout = jiffies + ETHOC_MII_TIMEOUT; struct ethoc *priv = bus->priv; + int i; ethoc_write(priv, MIIADDRESS, MIIADDRESS_ADDR(phy, reg)); ethoc_write(priv, MIICOMMAND, MIICOMMAND_READ); - while (time_before(jiffies, timeout)) { + for (i=0; i < 5; i++) { u32 status = ethoc_read(priv, MIISTATUS); if (!(status & MIISTATUS_BUSY)) { u32 data = ethoc_read(priv, MIIRX_DATA); @@ -625,8 +625,7 @@ static int ethoc_mdio_read(struct mii_bus *bus, int phy, int reg) ethoc_write(priv, MIICOMMAND, 0); return data; } - - schedule(); + usleep_range(100,200); } return -EBUSY; @@ -634,22 +633,21 @@ static int ethoc_mdio_read(struct mii_bus *bus, int phy, int reg) static int ethoc_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val) { - unsigned long timeout = jiffies + ETHOC_MII_TIMEOUT; struct ethoc *priv = bus->priv; + int i; ethoc_write(priv, MIIADDRESS, MIIADDRESS_ADDR(phy, reg)); ethoc_write(priv, MIITX_DATA, val); ethoc_write(priv, MIICOMMAND, MIICOMMAND_WRITE); - while (time_before(jiffies, timeout)) { + for (i=0; i < 5; i++) { u32 stat = ethoc_read(priv, MIISTATUS); if (!(stat & MIISTATUS_BUSY)) { /* reset MII command register */ ethoc_write(priv, MIICOMMAND, 0); return 0; } - - schedule(); + usleep_range(100,200); } return -EBUSY; |