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

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30885 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 7dd3282..ffa561b 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -87,7 +87,7 @@ ar8216_mii_read(struct ar8216_priv *priv, int reg)
        mutex_lock(&bus->mdio_lock);
 
        bus->write(bus, 0x18, 0, page);
        mutex_lock(&bus->mdio_lock);
 
        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);
        hi = bus->read(bus, 0x10 | r2, r1 + 1);
 
        lo = bus->read(bus, 0x10 | r2, r1);
        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);
 
        bus->write(bus, 0x18, 0, r3);
        mutex_lock(&bus->mdio_lock);
 
        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, lo);
 
        bus->write(bus, 0x10 | r2, r1 + 1, hi);
        bus->write(bus, 0x10 | r2, r1, lo);