ARM64 has a weaker memory order model than x86. The missing memory barrier
caused phy initialization notification to be delayed beyong the link-wait
timeout (15 secs). This patch fixes that problem.
Signed-of-by: Leendert van Doorn <leend...@paramecium.org>
---
src/drivers/net/tg3/tg3.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/drivers/net/tg3/tg3.c b/src/drivers/net/tg3/tg3.c
index 824c9b1..1bed066 100644
--- a/src/drivers/net/tg3/tg3.c
+++ b/src/drivers/net/tg3/tg3.c
@@ -486,6 +486,8 @@ static void tg3_poll(struct net_device *dev)
*/
tp->hw_status->status &= ~SD_STATUS_UPDATED;
+ mb();
+
tg3_poll_link(tp);
tg3_tx_complete(dev);
tg3_rx_complete(dev);
--
2.5.5
_______________________________________________
ipxe-devel mailing list
ipxe-devel@lists.ipxe.org
https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel
