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| author | Leendert van Doorn | 2016-06-13 15:14:42 +0200 |
|---|---|---|
| committer | Michael Brown | 2016-06-13 16:14:43 +0200 |
| commit | 02d5cfff22e3796f3ecf0b4b93519f952223fd89 (patch) | |
| tree | f7e9e053179dd29a9b30bcbab1b157f623b94105 /src/drivers/net/tg3 | |
| parent | [tcp] Send TCP keepalives on idle established connections (diff) | |
| download | ipxe-02d5cfff22e3796f3ecf0b4b93519f952223fd89.tar.gz ipxe-02d5cfff22e3796f3ecf0b4b93519f952223fd89.tar.xz ipxe-02d5cfff22e3796f3ecf0b4b93519f952223fd89.zip | |
[tg3] Add missing memory barrier
ARM64 has a weaker memory order model than x86. The missing memory
barrier caused phy initialization notification to be delayed beyond
the link-wait timeout (15 secs).
Signed-off-by: Leendert van Doorn <leendert@paramecium.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/drivers/net/tg3')
| -rw-r--r-- | src/drivers/net/tg3/tg3.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/drivers/net/tg3/tg3.c b/src/drivers/net/tg3/tg3.c index 824c9b1c..1bed0664 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); |