The poll routine always got 10 ms penalty when called immediately
after starting the transfer. The MDIO transfer takes 25.6 us at the
nominal 2.5 MHz, so MAX_TIMEOUT_CNT being 500 is still big enough.
---
drivers/net/bfin_mac.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index c199633..d2e6813 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -296,7 +296,7 @@ static void mdio_poll(void)
/* poll the STABUSY bit */
while ((bfin_read_EMAC_STAADD()) & STABUSY) {
- mdelay(10);
+ udelay(1);
if (timeout_cnt-- < 0) {
printk(KERN_ERR DRV_NAME
": wait MDC/MDIO transaction to complete timeout\n");
--
1.4.4.2
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