[PATCH v2 4/6] ARM: firmware: add prepare_idle() operation
From: acourbot@nvidia.com (Alexandre Courbot)
Date: 2014-02-07 04:35:55
Also in:
linux-tegra, lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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> --- arch/arm/include/asm/firmware.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/include/asm/firmware.h b/arch/arm/include/asm/firmware.h
index 15631300c238..2c9f10df7568 100644
--- a/arch/arm/include/asm/firmware.h
+++ b/arch/arm/include/asm/firmware.h@@ -22,6 +22,10 @@ */ struct firmware_ops { /* + * Inform the firmware we intend to enter CPU idle mode + */ + int (*prepare_idle)(void); + /* * Enters CPU idle mode */ int (*do_idle)(void);
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1.8.5.3