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authorDavid Miller <davem@davemloft.net>2007-10-25 01:16:30 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-11-05 13:35:16 -0800
commitba698ad4b7e466cbb4a8bde6b9da8080ab06808d (patch)
tree31e0ebfbb91633da5f62e455d708328a0f9875ee /drivers/net/tg3.c
parent1d84b5424efbcce69a1c955ba181147d23d43a14 (diff)
PCI: Add quirk for devices which disable MSI when INTX_DISABLE is set.
A reasonably common problem with some devices is that they will disable MSI generation when the INTX_DISABLE bit is set in the PCI_COMMAND register. Quirk this explicitly, guarding the pci_intx() calls in msi.c with this quirk indication. The first entries for this quirk are for 5714 and 5780 Tigon3 chips, and thus we can remove the workaround code from the tg3.c driver. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Michael Chan <mchan@broadcom.com> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 09440d783e6..cad51991076 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7365,10 +7365,6 @@ static int tg3_open(struct net_device *dev)
} else if (pci_enable_msi(tp->pdev) == 0) {
u32 msi_mode;
- /* Hardware bug - MSI won't work if INTX disabled. */
- if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
- pci_intx(tp->pdev, 1);
-
msi_mode = tr32(MSGINT_MODE);
tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
@@ -12681,11 +12677,6 @@ static int tg3_resume(struct pci_dev *pdev)
if (err)
return err;
- /* Hardware bug - MSI won't work if INTX disabled. */
- if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
- (tp->tg3_flags2 & TG3_FLG2_USING_MSI))
- pci_intx(tp->pdev, 1);
-
netif_device_attach(dev);
tg3_full_lock(tp, 0);