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authorDivy Le Ray <divy@chelsio.com>2007-03-18 13:10:17 -0700
committerJeff Garzik <jeff@garzik.org>2007-03-23 01:48:34 -0400
commite4d08359ffb6580ee7a014d162162b2d18aa4ec0 (patch)
tree1bfeb459b2df7bc84cbcd082e829956d8b5b36f5
parentfc90664e3438c990d280f179ccb0642711d5c553 (diff)
downloadlinux-2.6.34-ux500-e4d08359ffb6580ee7a014d162162b2d18aa4ec0.tar.gz
cxgb3 - T3B2 pcie config space
T3B2 does not lose its pcie config space on reset. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/net/cxgb3/t3_hw.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 983ee813c7e..791ed6dc194 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -3244,15 +3244,17 @@ void early_hw_init(struct adapter *adapter, const struct adapter_info *ai)
}
/*
- * Reset the adapter. PCIe cards lose their config space during reset, PCI-X
+ * Reset the adapter.
+ * Older PCIe cards lose their config space during reset, PCI-X
* ones don't.
*/
int t3_reset_adapter(struct adapter *adapter)
{
- int i;
+ int i, save_and_restore_pcie =
+ adapter->params.rev < T3_REV_B2 && is_pcie(adapter);
uint16_t devid = 0;
- if (is_pcie(adapter))
+ if (save_and_restore_pcie)
pci_save_state(adapter->pdev);
t3_write_reg(adapter, A_PL_RST, F_CRSTWRM | F_CRSTWRMMODE);
@@ -3270,7 +3272,7 @@ int t3_reset_adapter(struct adapter *adapter)
if (devid != 0x1425)
return -1;
- if (is_pcie(adapter))
+ if (save_and_restore_pcie)
pci_restore_state(adapter->pdev);
return 0;
}