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authorTushar Behera <tushar.behera@linaro.org>2014-03-28 10:50:21 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-04-07 14:15:49 +0200
commit39ac5ba51b69a77a30d2e783aed02ec73c9f6d70 (patch)
treeb63ff6683b2e3e4e2b1e195e2e161d6e3245c00b /Documentation
parent70f6c087573eeb406252ff8d98f511eb5f71496e (diff)
downloadlinux-39ac5ba51b69a77a30d2e783aed02ec73c9f6d70.tar.gz
PM / domains: Add pd_ignore_unused to keep power domains enabled
Keep all power-domains already enabled by bootloader on, even if no
driver has claimed them. This is useful for debug and development, but
should not be needed on a platform with proper driver support.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index bc3478581f67..d4aff4086952 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2558,6 +2558,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	pcmv=		[HW,PCMCIA] BadgePAD 4
 
+	pd_ignore_unused
+			[PM]
+			Keep all power-domains already enabled by bootloader on,
+			even if no driver has claimed them. This is useful
+			for debug and development, but should not be
+			needed on a platform with proper driver support.
+
 	pd.		[PARIDE]
 			See Documentation/blockdev/paride.txt.