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authorDmitry Kravkov <dmitry@broadcom.com>2010-10-17 23:10:02 +0000
committerDavid S. Miller <davem@davemloft.net>2010-10-18 06:51:58 -0700
commitadf5f6a18f2cbb215394599981fb48473b526faa (patch)
tree5f80a00fe5fdb35416b90f142dd0848963e41f51 /drivers/net
parente3dba8141b651dd8f560a2fd9513b1d26f447f9d (diff)
bnx2x: do not deal with power if no capability
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/bnx2x/bnx2x_cmn.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index b037dd2db8e..afff58c52d4 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -1521,6 +1521,12 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
{
u16 pmcsr;
+ /* If there is no power capability, silently succeed */
+ if (!bp->pm_cap) {
+ DP(NETIF_MSG_HW, "No power capability. Breaking.\n");
+ return 0;
+ }
+
pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
switch (state) {