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authorDhananjay Phadke <dhananjay@netxen.com>2008-08-01 14:14:57 +0400
committerJeff Garzik <jgarzik@redhat.com>2008-08-07 10:11:09 +0400
commitd71e1be8edd355668a12a18660da03ae993dd9df (patch)
treee646cf0778fae8e7dd15e1471f8b135f0d2a15c6 /drivers/net/netxen/netxen_nic_hdr.h
parenta70f939338cae650f177ae79562ec44659788bb4 (diff)
downloadlinux-d71e1be8edd355668a12a18660da03ae993dd9df.tar.xz
netxen: fix legacy interrupts
Fix legacy interrupt mode for NX3031 chips, read pci interrupt state in hardware to guard against spurious interrupt. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_hdr.h')
-rw-r--r--drivers/net/netxen/netxen_nic_hdr.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index ccf6d70064bc..e8e8d73f6ed7 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -843,9 +843,11 @@ enum {
#define PCIE_SETUP_FUNCTION (0x12040)
#define PCIE_SETUP_FUNCTION2 (0x12048)
+#define PCIE_MISCCFG_RC (0x1206c)
#define PCIE_TGT_SPLIT_CHICKEN (0x12080)
#define PCIE_CHICKEN3 (0x120c8)
+#define ISR_INT_STATE_REG (NETXEN_PCIX_PS_REG(PCIE_MISCCFG_RC))
#define PCIE_MAX_MASTER_SPLIT (0x14048)
#define NETXEN_PORT_MODE_NONE 0
@@ -861,6 +863,7 @@ enum {
#define NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL (0x14)
#define ISR_MSI_INT_TRIGGER(FUNC) (NETXEN_PCIX_PS_REG(PCIX_MSI_F(FUNC)))
+#define ISR_LEGACY_INT_TRIGGERED(VAL) (((VAL) & 0x300) == 0x200)
/*
* PCI Interrupt Vector Values.