diff options
Diffstat (limited to 'drivers/net/tc35815.c')
| -rw-r--r-- | drivers/net/tc35815.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c index 62965d6665d..f42aaf72cc9 100644 --- a/drivers/net/tc35815.c +++ b/drivers/net/tc35815.c @@ -594,9 +594,10 @@ static int tc_mdio_read(struct mii_bus *bus, int mii_id, int regnum) struct net_device *dev = bus->priv; struct tc35815_regs __iomem *tr = (struct tc35815_regs __iomem *)dev->base_addr; - unsigned long timeout = jiffies + 10; + unsigned long timeout = jiffies + HZ; tc_writel(MD_CA_Busy | (mii_id << 5) | (regnum & 0x1f), &tr->MD_CA); + udelay(12); /* it takes 32 x 400ns at least */ while (tc_readl(&tr->MD_CA) & MD_CA_Busy) { if (time_after(jiffies, timeout)) return -EIO; @@ -610,11 +611,12 @@ static int tc_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 val) struct net_device *dev = bus->priv; struct tc35815_regs __iomem *tr = (struct tc35815_regs __iomem *)dev->base_addr; - unsigned long timeout = jiffies + 10; + unsigned long timeout = jiffies + HZ; tc_writel(val, &tr->MD_Data); tc_writel(MD_CA_Busy | MD_CA_Wr | (mii_id << 5) | (regnum & 0x1f), &tr->MD_CA); + udelay(12); /* it takes 32 x 400ns at least */ while (tc_readl(&tr->MD_CA) & MD_CA_Busy) { if (time_after(jiffies, timeout)) return -EIO; |