[PATCH 3/3] libata-acpi: update Makefile & Kconfig

[Randy Dunlap <randy_d_dunlap@linux.intel.com>]

From: Randy Dunlap <randy_d_dunlap@linux.intel.com>

Simplify Makefile.
Add Kconfig help.

Changelog addition:

This option adds support for SATA-related ACPI objects.
These ACPI objects add the ability to retrieve taskfiles
from the ACPI BIOS and write them to the disk controller.
These objects may be related to performance, security,
power management, or other areas.
You can disable this at kernel boot time by using the
option 'libata.noacpi'.

Signed-off-by: Randy Dunlap <randy_d_dunlap@linux.intel.com>
---
 drivers/scsi/Kconfig  |    8 ++++++++
 drivers/scsi/Makefile |    6 ++----
 2 files changed, 10 insertions(+), 4 deletions(-)

--- linux-2615-mm4.orig/drivers/scsi/Makefile
+++ linux-2615-mm4/drivers/scsi/Makefile
@@ -166,10 +166,8 @@ ncr53c8xx-flags-$(CONFIG_SCSI_ZALON) \
 CFLAGS_ncr53c8xx.o	:= $(ncr53c8xx-flags-y) $(ncr53c8xx-flags-m)
 zalon7xx-objs	:= zalon.o ncr53c8xx.o
 NCR_Q720_mod-objs	:= NCR_Q720.o ncr53c8xx.o
-libata-objs	:= libata-core.o libata-scsi.o
-ifeq ($(CONFIG_SCSI_SATA_ACPI),y)
-  libata-objs	+= libata-acpi.o
-endif
+libata-y	:= libata-core.o libata-scsi.o
+libata-$(CONFIG_SCSI_SATA_ACPI) += libata-acpi.o
 oktagon_esp_mod-objs	:= oktagon_esp.o oktagon_io.o
 
 # Files generated that shall be removed upon make clean
--- linux-2615-mm4.orig/drivers/scsi/Kconfig
+++ linux-2615-mm4/drivers/scsi/Kconfig
@@ -620,6 +620,14 @@ config SCSI_SATA_ACPI
 	bool
 	depends on SCSI_SATA && ACPI
 	default y
+	help
+	  This option adds support for SATA-related ACPI objects.
+	  These ACPI objects add the ability to retrieve taskfiles
+	  from the ACPI BIOS and write them to the disk controller.
+	  These objects may be related to performance, security,
+	  power management, or other areas.
+	  You can disable this at kernel boot time by using the
+	  option 'libata.noacpi'.
 
 config SCSI_BUSLOGIC
 	tristate "BusLogic SCSI support"


---
~Randy [MPG MPAD MSAE SSA]
-
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