[PATCH 1/3] [-mm]: ACPI: add a Kconfig option for ACPI procfs interface

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From: Zhang Rui <rui.zhang@xxxxxxxxx>

Add a kconfig option CONFIG_ACPI_PROCFS to make procfs interface
a configurable attribute of ACPI.

No procfs interface is actually deprecated,
and no sysfs interface is added in this patch.

CONGI_ACPI_PROCFS is used to mark procfs interface as deprecated
once the same function is duplicated in sysfs.

Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
---
 drivers/acpi/Kconfig |   10 ++++++++++
 1 files changed, 10 insertions(+)

Index: linux-2.6.20-rc2-mm1/drivers/acpi/Kconfig
===================================================================
--- linux-2.6.20-rc2-mm1.orig/drivers/acpi/Kconfig	2007-01-05 17:20:09.000000000 +0800
+++ linux-2.6.20-rc2-mm1/drivers/acpi/Kconfig	2007-01-05 17:21:51.000000000 +0800
@@ -77,6 +77,16 @@ config ACPI_SLEEP_PROC_SLEEP
 	  Create /proc/acpi/sleep
 	  Deprecated by /sys/power/state
 
+config ACPI_PROCFS
+	bool "Procfs interface (deprecated)"
+	depends on ACPI
+	default y
+	---help---
+	  Procfs interface for ACPI is made optional for back-compatible.
+	  As the same functions are duplicated in sysfs interface
+	  and this proc interface will be removed some time later,
+	  it's marked as deprecated.
+
 config ACPI_AC
 	tristate "AC Adapter"
 	depends on X86
-
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