From 6824a105d4b699e3c08cc3df371de4b0480017b9 Mon Sep 17 00:00:00 2001 From: Brice Goglin Date: Thu, 30 Oct 2008 08:59:33 +0100 Subject: [PATCH] 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 Signed-off-by: Jeff Garzik --- drivers/net/myri10ge/myri10ge.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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) { -- 2.41.1