[PATCH 2.6.21 4/4] cxgb3 - T3B2 pcie config space
From: <hidden>
Date: 2007-03-18 20:10:50
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lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Divy Le Ray <redacted> T3B2 does not lose its pcie config space on reset. Signed-off-by: Divy Le Ray <redacted> --- --- 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; }