]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
myri10ge: fix stop/go mmio ordering
authorBrice Goglin <brice@myri.com>
Thu, 30 Oct 2008 07:59:33 +0000 (08:59 +0100)
committerJeff Garzik <jgarzik@redhat.com>
Fri, 31 Oct 2008 04:46:15 +0000 (00:46 -0400)
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>
drivers/net/myri10ge/myri10ge.c

index b1556b2e404c5619b445f6a287a07adc6503ee01..a5f428bcc0ebb28011efb551534584e768c4a6e9 100644 (file)
@@ -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) {