path: root/Documentation/pm.txt
diff options
authorPavel Machek <>2005-09-13 01:25:46 -0700
committerLinus Torvalds <>2005-09-13 08:22:33 -0700
commitf4f9eb0ea14c8c478f0e8137b84a366499335aab (patch)
treec23bf19babd35fed7685aa2a3b8627a07d4193b9 /Documentation/pm.txt
parent1cc5753f86589c5fb7e2f4a1fe778db3881f8f72 (diff)
[PATCH] Tell people not to use pm_register()
Signed-off-by: Pavel Machek <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'Documentation/pm.txt')
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/pm.txt b/Documentation/pm.txt
index cc63ae18d147..2ea1149bf6b0 100644
--- a/Documentation/pm.txt
+++ b/Documentation/pm.txt
@@ -38,6 +38,12 @@ system the associated daemon will exit gracefully.
Driver Interface -- OBSOLETE, DO NOT USE!
+Note: pm_register(), pm_access(), pm_dev_idle() and friends are
+obsolete. Please do not use them. Instead you should properly hook
+your driver into the driver model, and use its suspend()/resume()
+callbacks to do this kind of stuff.
If you are writing a new driver or maintaining an old driver, it
should include power management support. Without power management
support, a single driver may prevent a system with power management