generic: ar8216: use usleep_range in ar8216_mii_{read,write}

msleep(1) can sleep for up to 20ms.

SVN-Revision: 30885
This commit is contained in:
Gabor Juhos 2012-03-11 17:19:14 +00:00
parent 77d0a8ca85
commit 2149facb53

View File

@ -87,7 +87,7 @@ ar8216_mii_read(struct ar8216_priv *priv, int reg)
mutex_lock(&bus->mdio_lock); mutex_lock(&bus->mdio_lock);
bus->write(bus, 0x18, 0, page); bus->write(bus, 0x18, 0, page);
msleep(1); /* wait for the page switch to propagate */ usleep_range(1000, 2000); /* wait for the page switch to propagate */
lo = bus->read(bus, 0x10 | r2, r1); lo = bus->read(bus, 0x10 | r2, r1);
hi = bus->read(bus, 0x10 | r2, r1 + 1); hi = bus->read(bus, 0x10 | r2, r1 + 1);
@ -111,7 +111,7 @@ ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val)
mutex_lock(&bus->mdio_lock); mutex_lock(&bus->mdio_lock);
bus->write(bus, 0x18, 0, r3); bus->write(bus, 0x18, 0, r3);
msleep(1); /* wait for the page switch to propagate */ usleep_range(1000, 2000); /* wait for the page switch to propagate */
bus->write(bus, 0x10 | r2, r1 + 1, hi); bus->write(bus, 0x10 | r2, r1 + 1, hi);
bus->write(bus, 0x10 | r2, r1, lo); bus->write(bus, 0x10 | r2, r1, lo);