diff options
| author | Dhananjay Phadke <dhananjay@netxen.com> | 2008-03-17 19:59:48 -0700 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2008-03-25 23:16:15 -0400 |
| commit | 443be7960be77f3345b44491c700ae4471b0fe57 (patch) | |
| tree | 48a20558ab8b4726507948b6fc3c850cac13f84b /drivers/net/netxen/netxen_nic_init.c | |
| parent | 9e6db60825ef7e7999abc610ce256ba768e58162 (diff) | |
netxen: improve msi support
Recent netxen firmware has new scheme of generating MSI interrupts, it
raises interrupt and blocks itself, waiting for driver to unmask. This
reduces chance of spurious interrupts.
The driver will be able to deal with older firmware as well.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Tested-by: Vernon Mauery <mauery@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_init.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 9e38bcb3fba9..43eb1f65152d 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -145,6 +145,8 @@ int netxen_init_firmware(struct netxen_adapter *adapter) /* Window 1 call */ writel(INTR_SCHEME_PERPORT, NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_HOST)); + writel(MSI_MODE_MULTIFUNC, + NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_HOST)); writel(MPORT_MULTI_FUNCTION_MODE, NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE)); writel(PHAN_INITIALIZE_ACK, |