This patch adds a macro to enable/disbale CORE OFF support
in CPUIdle. It is kept disabled by default.
Signed-off-by: Rajendra Nayak <[EMAIL PROTECTED]>
---
arch/arm/configs/omap_3430sdp_defconfig | 6 ++++++
arch/arm/mach-omap2/cpuidle34xx.c | 4 ++++
arch/arm/plat-omap/Kconfig | 12 ++++++++++++
3 files changed, 22 insertions(+)
Index: linux-omap-2.6/arch/arm/mach-omap2/cpuidle34xx.c
===================================================================
--- linux-omap-2.6.orig/arch/arm/mach-omap2/cpuidle34xx.c 2008-09-01
18:27:27.000000000 +0530
+++ linux-omap-2.6/arch/arm/mach-omap2/cpuidle34xx.c 2008-09-01
18:29:53.000000000 +0530
@@ -248,7 +248,11 @@ void omap_init_power_states(void)
CPUIDLE_FLAG_BALANCED | CPUIDLE_FLAG_CHECK_BM;
/* C6 . MPU OFF + Core OFF */
+#ifdef CONFIG_OMAP_CPUIDLE_CORE_OFF
+ omap3_power_states[OMAP3_STATE_C6].valid = 1;
+#else
omap3_power_states[OMAP3_STATE_C6].valid = 0;
+#endif
omap3_power_states[OMAP3_STATE_C6].type = OMAP3_STATE_C6;
omap3_power_states[OMAP3_STATE_C6].sleep_latency = 10000;
omap3_power_states[OMAP3_STATE_C6].wakeup_latency = 30000;
Index: linux-omap-2.6/arch/arm/plat-omap/Kconfig
===================================================================
--- linux-omap-2.6.orig/arch/arm/plat-omap/Kconfig 2008-09-01
18:12:34.000000000 +0530
+++ linux-omap-2.6/arch/arm/plat-omap/Kconfig 2008-09-01 18:29:53.000000000
+0530
@@ -87,6 +87,18 @@ config OMAP_SMARTREFLEX_TESTING
WARNING: Enabling this option may cause your device to hang!
+config OMAP_CPUIDLE_CORE_OFF
+ bool "CORE OFF support in CPUIdle"
+ depends on ARCH_OMAP34XX
+ default n
+ help
+ Say Y if you want to enable CORE OFF support in CPUIdle
+
+ Currently some drivers don't work well with OFF support
+ enabled in CPUIlde. Once all device drivers are adapted
+ to work with OFF mode in CPUIdle, this MACRO will be
+ removed.
+
config OMAP_RESET_CLOCKS
bool "Reset unused clocks during boot"
depends on ARCH_OMAP
Index: linux-omap-2.6/arch/arm/configs/omap_3430sdp_defconfig
===================================================================
--- linux-omap-2.6.orig/arch/arm/configs/omap_3430sdp_defconfig 2008-09-01
18:12:34.000000000 +0530
+++ linux-omap-2.6/arch/arm/configs/omap_3430sdp_defconfig 2008-09-01
18:32:33.000000000 +0530
@@ -174,6 +174,7 @@ CONFIG_ARCH_OMAP3=y
# CONFIG_OMAP_DEBUG_CLOCKDOMAIN is not set
CONFIG_OMAP_SMARTREFLEX=y
# CONFIG_OMAP_SMARTREFLEX_TESTING is not set
+# CONFIG_OMAP_CPUIDLE_CORE_OFF is not set
CONFIG_OMAP_RESET_CLOCKS=y
CONFIG_OMAP_BOOT_TAG=y
CONFIG_OMAP_BOOT_REASON=y
@@ -286,6 +287,11 @@ CONFIG_CMDLINE="root=/dev/nfs nfsroot=19
# CONFIG_KEXEC is not set
#
+# CPUIdle
+#
+# CONFIG_CPU_IDLE is not set
+
+#
# CPU Frequency scaling
#
# CONFIG_CPU_FREQ is not set
--
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