diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/arc_emac.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/net/arc_emac.c b/drivers/net/arc_emac.c index 3f6f814955..23df3fdbcd 100644 --- a/drivers/net/arc_emac.c +++ b/drivers/net/arc_emac.c @@ -17,6 +17,7 @@ */ #include <asm/mmu.h> +#include <clock.h> #include <common.h> #include <net.h> #include <io.h> @@ -342,26 +343,18 @@ static int arc_emac_set_ethaddr(struct eth_device *edev, unsigned char *mac) return 0; } -/* Number of seconds we wait for "MDIO complete" flag to appear */ -#define ARC_MDIO_COMPLETE_POLL_COUNT 1 - static int arc_mdio_complete_wait(struct arc_emac_priv *priv) { - unsigned int i; - - for (i = 0; i < ARC_MDIO_COMPLETE_POLL_COUNT * 40; i++) { - unsigned int status = arc_reg_get(priv, R_STATUS); - - status &= MDIO_MASK; + uint64_t start = get_time_ns(); - if (status) { + while (!is_timeout(start, 1000 * MSECOND)) { + if (arc_reg_get(priv, R_STATUS) & MDIO_MASK) { /* Reset "MDIO complete" flag */ - arc_reg_set(priv, R_STATUS, status); + arc_reg_set(priv, R_STATUS, MDIO_MASK); return 0; } - - mdelay(25); } + return -ETIMEDOUT; } |