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Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap2-git/beagleboard/0002-omap3-cpuidle.patch')
| -rw-r--r-- | meta/recipes-kernel/linux/linux-omap2-git/beagleboard/0002-omap3-cpuidle.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/0002-omap3-cpuidle.patch b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/0002-omap3-cpuidle.patch new file mode 100644 index 0000000000..d35fd47567 --- /dev/null +++ b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/0002-omap3-cpuidle.patch | |||
| @@ -0,0 +1,88 @@ | |||
| 1 | From: "Rajendra Nayak" <rnayak@ti.com> | ||
| 2 | To: <linux-omap@vger.kernel.org> | ||
| 3 | Subject: [PATCH 02/02] Kconfig changes | ||
| 4 | Date: Tue, 10 Jun 2008 12:39:02 +0530 | ||
| 5 | |||
| 6 | Updates the CPUidle Kconfig | ||
| 7 | |||
| 8 | Signed-off-by: Rajendra Nayak <rnayak@ti.com> | ||
| 9 | |||
| 10 | --- | ||
| 11 | arch/arm/Kconfig | 10 ++++++++++ | ||
| 12 | drivers/cpuidle/Kconfig | 28 ++++++++++++++++++++++------ | ||
| 13 | 2 files changed, 32 insertions(+), 6 deletions(-) | ||
| 14 | |||
| 15 | Index: linux-omap-2.6/arch/arm/Kconfig | ||
| 16 | =================================================================== | ||
| 17 | --- linux-omap-2.6.orig/arch/arm/Kconfig 2008-06-10 11:43:10.790502713 +0530 | ||
| 18 | +++ linux-omap-2.6/arch/arm/Kconfig 2008-06-10 11:43:38.701604549 +0530 | ||
| 19 | @@ -954,6 +954,16 @@ config ATAGS_PROC | ||
| 20 | |||
| 21 | endmenu | ||
| 22 | |||
| 23 | +if (ARCH_OMAP) | ||
| 24 | + | ||
| 25 | +menu "CPUIdle" | ||
| 26 | + | ||
| 27 | +source "drivers/cpuidle/Kconfig" | ||
| 28 | + | ||
| 29 | +endmenu | ||
| 30 | + | ||
| 31 | +endif | ||
| 32 | + | ||
| 33 | if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA) | ||
| 34 | |||
| 35 | menu "CPU Frequency scaling" | ||
| 36 | Index: linux-omap-2.6/drivers/cpuidle/Kconfig | ||
| 37 | =================================================================== | ||
| 38 | --- linux-omap-2.6.orig/drivers/cpuidle/Kconfig 2008-06-10 11:43:10.790502713 +0530 | ||
| 39 | +++ linux-omap-2.6/drivers/cpuidle/Kconfig 2008-06-10 12:06:36.139332151 +0530 | ||
| 40 | @@ -1,20 +1,36 @@ | ||
| 41 | +menu "CPU idle PM support" | ||
| 42 | |||
| 43 | config CPU_IDLE | ||
| 44 | bool "CPU idle PM support" | ||
| 45 | - default ACPI | ||
| 46 | + default n | ||
| 47 | help | ||
| 48 | CPU idle is a generic framework for supporting software-controlled | ||
| 49 | idle processor power management. It includes modular cross-platform | ||
| 50 | governors that can be swapped during runtime. | ||
| 51 | |||
| 52 | - If you're using an ACPI-enabled platform, you should say Y here. | ||
| 53 | + If you're using a mobile platform that supports CPU idle PM (e.g. | ||
| 54 | + an ACPI-capable notebook), you should say Y here. | ||
| 55 | + | ||
| 56 | +if CPU_IDLE | ||
| 57 | + | ||
| 58 | +comment "Governors" | ||
| 59 | |||
| 60 | config CPU_IDLE_GOV_LADDER | ||
| 61 | - bool | ||
| 62 | + bool "ladder" | ||
| 63 | depends on CPU_IDLE | ||
| 64 | - default y | ||
| 65 | + default n | ||
| 66 | |||
| 67 | config CPU_IDLE_GOV_MENU | ||
| 68 | - bool | ||
| 69 | + bool "menu" | ||
| 70 | depends on CPU_IDLE && NO_HZ | ||
| 71 | - default y | ||
| 72 | + default n | ||
| 73 | + help | ||
| 74 | + This cpuidle governor evaluates all available states and chooses the | ||
| 75 | + deepest state that meets all of the following constraints: BM activity, | ||
| 76 | + expected time until next timer interrupt, and last break event time | ||
| 77 | + delta. It is designed to minimize power consumption. Currently | ||
| 78 | + dynticks is required. | ||
| 79 | + | ||
| 80 | +endif # CPU_IDLE | ||
| 81 | + | ||
| 82 | +endmenu | ||
| 83 | |||
| 84 | -- | ||
| 85 | To unsubscribe from this list: send the line "unsubscribe linux-omap" in | ||
| 86 | the body of a message to majordomo@vger.kernel.org | ||
| 87 | More majordomo info at http://vger.kernel.org/majordomo-info.html | ||
| 88 | |||