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Code Issues Releases Wiki Activity

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>
This commit is contained in:
Stephen Hemminger 2009-09-03 06:16:25 +00:00 committed by David S. Miller
parent cf503e8f45
commit c23ddf8f22
1 changed files with 3 additions and 2 deletions
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5
drivers/net/sky2.c
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@ -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));