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Message-ID: <20070318201017.16328.26563.stgit@localhost.localdomain>
Date: Sun, 18 Mar 2007 13:10:17 -0700
From: divy@...lsio.com
To: jeff@...zik.org
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
swise@...ngridcomputing.com
Subject: [PATCH 2.6.21 4/4] cxgb3 - T3B2 pcie config space
From: Divy Le Ray <divy@...lsio.com>
T3B2 does not lose its pcie config space on reset.
Signed-off-by: Divy Le Ray <divy@...lsio.com>
---
---
drivers/net/cxgb3/t3_hw.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 983ee81..791ed6d 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 *adapt
}
/*
- * 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 *ada
if (devid != 0x1425)
return -1;
- if (is_pcie(adapter))
+ if (save_and_restore_pcie)
pci_restore_state(adapter->pdev);
return 0;
}
-
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