From 85a9b0507db2fbbfe7912dc3b33d322f200e2ca7 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Tue, 8 Oct 2019 15:28:00 -0500 Subject: PCI/PM: Note that PME can be generated from D0 Per PCIe r5.0 sec 7.5.2.1, PME may be generated from D0, so update Documentation/power/pci.rst to reflect that. Link: https://lore.kernel.org/r/20191016194450.68959-1-helgaas@kernel.org Signed-off-by: Bjorn Helgaas Reviewed-by: Rafael J. Wysocki --- Documentation/power/pci.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/power/pci.rst b/Documentation/power/pci.rst index 1525c594d631..8a4abb7c7363 100644 --- a/Documentation/power/pci.rst +++ b/Documentation/power/pci.rst @@ -130,8 +130,8 @@ a full power-on reset sequence and the power-on defaults are restored to the device by hardware just as at initial power up. PCI devices supporting the PCI PM Spec can be programmed to generate PMEs -while in a low-power state (D1-D3), but they are not required to be capable -of generating PMEs from all supported low-power states. In particular, the +while in any power state (D0-D3), but they are not required to be capable +of generating PMEs from all supported power states. In particular, the capability of generating PMEs from D3cold is optional and depends on the presence of additional voltage (3.3Vaux) allowing the device to remain sufficiently active to generate a wakeup signal. -- cgit v1.2.3