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Update lpc178x_eth.c #11

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Update lpc178x_eth.c #11

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15 changes: 7 additions & 8 deletions drivers/net/arm/lpc178x_eth.c
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Original file line number Diff line number Diff line change
Expand Up @@ -672,19 +672,18 @@ static void __lpc_net_shutdown(struct netdata_local *pldat)
static int lpc_mdio_read(struct mii_bus *bus, int phy_id, int phyreg)
{
struct netdata_local *pldat = bus->priv;
unsigned long timeout = jiffies + ((HZ * 100) / 1000); /* 100mS */
int lps;
int lps,i;
i = 0;

writel(((phy_id << 8) | phyreg), LPC_ENET_MADR(pldat->net_base));
writel(LPC_MCMD_READ, LPC_ENET_MCMD(pldat->net_base));

/* Wait for unbusy status */
while (readl(LPC_ENET_MIND(pldat->net_base)) & LPC_MIND_BUSY) {
if (jiffies > timeout)
if (i > 0x5000)
return -EIO;
cpu_relax();
i++;
}

lps = (int) readl(LPC_ENET_MRDD(pldat->net_base));
writel(0, LPC_ENET_MCMD(pldat->net_base));

Expand All @@ -695,16 +694,16 @@ static int lpc_mdio_write(struct mii_bus *bus, int phy_id, int phyreg,
u16 phydata)
{
struct netdata_local *pldat = bus->priv;
unsigned long timeout = jiffies + ((HZ * 100) / 1000); /* 100mS */
int i = 0;

writel(((phy_id << 8) | phyreg), LPC_ENET_MADR(pldat->net_base));
writel(phydata, LPC_ENET_MWTD(pldat->net_base));

/* Wait for completion */
while (readl(LPC_ENET_MIND(pldat->net_base)) & LPC_MIND_BUSY) {
if (jiffies > timeout)
if (i > 0x5000)
return -EIO;
cpu_relax();
i++;
}

return 0;
Expand Down