From: Jonathan Corbet <corbet@lwn.net>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] Fix up PCI power management doc
Date: Thu, 22 Mar 2007 16:53:40 -0600 [thread overview]
Message-ID: <24815.1174604020@lwn.net> (raw)
I noticed that the PCI power management document file had fallen a
little behind the times, so I fixed it up.
jon
Update the documentation of PCI power management functions.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/power/pci.txt b/Documentation/power/pci.txt
index c750f9f..b6a3cbf 100644
--- a/Documentation/power/pci.txt
+++ b/Documentation/power/pci.txt
@@ -102,31 +102,28 @@ pci_save_state
--------------
Usage:
- pci_save_state(dev, buffer);
+ pci_save_state(struct pci_dev *dev);
Description:
- Save first 64 bytes of PCI config space. Buffer must be allocated by
- caller.
+ Save first 64 bytes of PCI config space, along with any additional
+ PCI-Express or PCI-X information.
pci_restore_state
-----------------
Usage:
- pci_restore_state(dev, buffer);
+ pci_restore_state(struct pci_dev *dev);
Description:
- Restore previously saved config space. (First 64 bytes only);
-
- If buffer is NULL, then restore what information we know about the
- device from bootup: BARs and interrupt line.
+ Restore previously saved config space.
pci_set_power_state
-------------------
Usage:
- pci_set_power_state(dev, state);
+ pci_set_power_state(struct pci_dev *dev, pci_power_t state);
Description:
Transition device to low power state using PCI PM Capabilities
@@ -142,7 +139,7 @@ pci_enable_wake
---------------
Usage:
- pci_enable_wake(dev, state, enable);
+ pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
Description:
Enable device to generate PME# during low power state using PCI PM
reply other threads:[~2007-03-22 23:27 UTC|newest]
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