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authorIngo Molnar <mingo@elte.hu>2009-03-05 12:47:28 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-05 12:47:28 +0100
commit7df4edb07cf54a4868b9a750424c0d2aa68f8d66 (patch)
tree0ad0ad3f3dcb6f9edf26dde42ba625053dddf54f /drivers/net/forcedeth.c
parentIA64: fix swiotlb alloc_coherent for non DMA_64BIT_MASK devices, fix (diff)
parentMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/po... (diff)
downloadlinux-7df4edb07cf54a4868b9a750424c0d2aa68f8d66.tar.xz
linux-7df4edb07cf54a4868b9a750424c0d2aa68f8d66.zip
Merge branch 'linus' into core/iommu
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 5b910cf63740..b8251e827059 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -6011,9 +6011,20 @@ static void nv_shutdown(struct pci_dev *pdev)
if (netif_running(dev))
nv_close(dev);
- nv_restore_mac_addr(pdev);
+ /*
+ * Restore the MAC so a kernel started by kexec won't get confused.
+ * If we really go for poweroff, we must not restore the MAC,
+ * otherwise the MAC for WOL will be reversed at least on some boards.
+ */
+ if (system_state != SYSTEM_POWER_OFF) {
+ nv_restore_mac_addr(pdev);
+ }
pci_disable_device(pdev);
+ /*
+ * Apparently it is not possible to reinitialise from D3 hot,
+ * only put the device into D3 if we really go for poweroff.
+ */
if (system_state == SYSTEM_POWER_OFF) {
if (pci_enable_wake(pdev, PCI_D3cold, np->wolenabled))
pci_enable_wake(pdev, PCI_D3hot, np->wolenabled);