diff options
| author |   kettenis <kettenis@openbsd.org> | 2011-10-13 13:09:29 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2011-10-13 13:09:29 +0000 |
| commit | 2c88c4ddd96b36c65ffca8ae1c9ae6970a944115 (patch) | |
| tree | ad4430b78ca09b6411cb6ff33a73e2d3e50902c5 /sys | |
| parent | Fix definition of XL_PME_EN. (diff) | |
| download | wireguard-openbsd-2c88c4ddd96b36c65ffca8ae1c9ae6970a944115.tar.xz wireguard-openbsd-2c88c4ddd96b36c65ffca8ae1c9ae6970a944115.zip | |
Make WOL support do something that actually makes sense; effectively
reverting most of the previous commit. Fixes unaligned read from PCI config
space as well.
ok & tested by stsp@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/if_xl_pci.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/sys/dev/pci/if_xl_pci.c b/sys/dev/pci/if_xl_pci.c index 4ce7cb99caa..9d135d7c4f3 100644 --- a/sys/dev/pci/if_xl_pci.c +++ b/sys/dev/pci/if_xl_pci.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_xl_pci.c,v 1.37 2011/07/08 18:56:47 stsp Exp $ */ +/* $OpenBSD: if_xl_pci.c,v 1.38 2011/10/13 13:09:29 kettenis Exp $ */ /* * Copyright (c) 1997, 1998, 1999 @@ -268,14 +268,16 @@ xl_pci_attach(struct device *parent, struct device *self, void *aux) } #ifndef SMALL_KERNEL - /* The card is WOL-capable if it supports PME# assertion + /* + * The card is WOL-capable if it supports PME# assertion * from D3hot power state. Install a callback to configure * PCI power state for WOL. It will be invoked when the - * interface stops and WOL was enabled. */ - command = pci_conf_read(pc, pa->pa_tag, XL_PCI_PWRMGMTCAP); + * interface stops and WOL was enabled. + */ + command = pci_conf_read(pc, pa->pa_tag, XL_PCI_CAPID); if ((command >> 16) & XL_PME_CAP_D3_HOT) { sc->wol_power = xl_pci_wol_power; - sc->wol_power_arg = psc; + sc->wol_power_arg = psc; } #endif } @@ -366,6 +368,12 @@ void xl_pci_wol_power(void *ppsc) { struct xl_pci_softc *psc = (struct xl_pci_softc*)ppsc; + u_int32_t command; + + /* Make sure wake-up generation is enabled. */ + command = pci_conf_read(psc->psc_pc, psc->psc_tag, XL_PCI_PWRMGMTCTRL); + command |= XL_PME_EN; + pci_conf_write(psc->psc_pc, psc->psc_tag, XL_PCI_PWRMGMTCTRL, command); pci_set_powerstate(psc->psc_pc, psc->psc_tag, PCI_PMCSR_STATE_D3); } |