diff options
| author | Brice Goglin <brice@myri.com> | 2008-10-30 08:59:33 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-10-31 00:46:15 -0400 |
| commit | 6824a105d4b699e3c08cc3df371de4b0480017b9 (patch) | |
| tree | 1c490b785d03dc946afeb8c69c91f5354d8a96d9 /drivers | |
| parent | ce39a800ea87c655de49af021c8b20ee323cb40d (diff) | |
myri10ge: fix stop/go mmio ordering
Use mmiowb() to ensure "stop" and "go" commands are sent in order on ia64.
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/myri10ge/myri10ge.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index b1556b2e404..a5f428bcc0e 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.4.3-1.371" +#define MYRI10GE_VERSION_STR "1.4.3-1.375" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); @@ -1393,6 +1393,7 @@ myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index) if (tx->req == tx->done) { tx->queue_active = 0; put_be32(htonl(1), tx->send_stop); + mmiowb(); } __netif_tx_unlock(dev_queue); } @@ -2864,6 +2865,7 @@ again: if ((mgp->dev->real_num_tx_queues > 1) && tx->queue_active == 0) { tx->queue_active = 1; put_be32(htonl(1), tx->send_go); + mmiowb(); } tx->pkt_start++; if ((avail - count) < MXGEFW_MAX_SEND_DESC) { |