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authorStephen Hemminger <shemminger@linux-foundation.org>2009-09-03 06:16:25 +0000
committerDavid S. Miller <davem@davemloft.net>2009-09-03 20:02:05 -0700
commitc23ddf8f22fc2c871ce476ff917d1208bbe4f3de (patch)
tree5e329365a45b15c80456f49f57c48f1edbfdea2e /drivers
parentcf503e8f458cec455b18d3938b3b27de6db3105e (diff)
sky2: only enable Vaux if capable of wakeup
While perusing vendor driver, I saw that it did not enable the Vaux power unless device was able to wake from lan for D3cold. This might help for Rene's power issue. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/sky2.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index d1f3b46a2b0..bab591b418d 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -272,8 +272,9 @@ static void sky2_power_aux(struct sky2_hw *hw)
Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS);
- /* switch power to VAUX */
- if (sky2_read32(hw, B0_CTST) & Y2_VAUX_AVAIL)
+ /* switch power to VAUX if supported and PME from D3cold */
+ if ( (sky2_read32(hw, B0_CTST) & Y2_VAUX_AVAIL) &&
+ pci_pme_capable(hw->pdev, PCI_D3cold))
sky2_write8(hw, B0_POWER_CTRL,
(PC_VAUX_ENA | PC_VCC_ENA |
PC_VAUX_ON | PC_VCC_OFF));