Commit cd42145c authored Feb 07, 2014 by Alexandre Courbot Committed by Stephen Warren Feb 18, 2014

ARM: firmware: add prepare_idle() operation



Some firmwares do not put the CPU into idle mode themselves, but still
need to be informed that the CPU is about to enter idle mode before this
happens. Add a prepare_idle() operation to the firmware_ops structure to
handle such cases.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

parent 5b154f18

arch/arm/include/asm/firmware.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,10 @@
		* A filled up structure can be registered with register_firmware_ops().
		*/
		struct firmware_ops {
		/*
		* Inform the firmware we intend to enter CPU idle mode
		*/
		int (*prepare_idle)(void);
		/*
		* Enters CPU idle mode
		*/

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