ftgmac100: Increase reset timeout

We had reports of 50us not being sufficient to reset the MAC,
thus hitting the "Hardware reset failed" error bringing the
interface up on some AST2400 based machines.

This bumps the timeout to 200us.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 95bf5e89cfd17b30d3543b33cb069f8aaee69d31..bfda0b2e2b82ea0fbb3b9609bd50a48591e55bb2 100644 (file)
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -125,7 +125,7 @@ static int ftgmac100_reset_mac(struct ftgmac100 *priv, u32 maccr)
        iowrite32(maccr, priv->base + FTGMAC100_OFFSET_MACCR);
        iowrite32(maccr | FTGMAC100_MACCR_SW_RST,
                  priv->base + FTGMAC100_OFFSET_MACCR);
-       for (i = 0; i < 50; i++) {
+       for (i = 0; i < 200; i++) {
                unsigned int maccr;
 
                maccr = ioread32(priv->base + FTGMAC100_OFFSET_MACCR);