summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/fec_mxc.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 6f071e9..6ede464 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -768,19 +768,21 @@ static int fec_send(struct eth_device *dev, void *packet, int length)
* invalidate data cache to see what's really in RAM. Also, we need
* barrier here.
*/
- invalidate_dcache_range(addr, addr + size);
- while (readw(&fec->tbd_base[fec->tbd_index].status) & FEC_TBD_READY) {
- udelay(1);
- invalidate_dcache_range(addr, addr + size);
- if (!timeout--) {
- ret = -EINVAL;
+ while (--timeout) {
+ if (!(readl(&fec->eth->x_des_active) & (1 << 24)))
break;
- }
}
- debug("fec_send: status 0x%x index %d\n",
+ if (!timeout)
+ ret = -EINVAL;
+
+ invalidate_dcache_range(addr, addr + size);
+ if (readw(&fec->tbd_base[fec->tbd_index].status) & FEC_TBD_READY)
+ ret = -EINVAL;
+
+ debug("fec_send: status 0x%x index %d ret %i\n",
readw(&fec->tbd_base[fec->tbd_index].status),
- fec->tbd_index);
+ fec->tbd_index, ret);
/* for next transmission use the other buffer */
if (fec->tbd_index)
fec->tbd_index = 0;