Re: [PATCH 2/3] cpuidle/powernv: Enable idle powernv cpu to call into the cpuidle framework.
From: Daniel Lezcano <hidden>
Date: 2013-07-27 05:29:46
Also in:
lkml
On 07/23/2013 11:01 AM, Deepthi Dharwar wrote:
This patch enables idle powernv cpu to hook on to the cpuidle framework, if available, else call on to default idle platform code.
Why do you need to do that ?
quoted hunk ↗ jump to hunk
Signed-off-by: Deepthi Dharwar <redacted> --- arch/powerpc/platforms/powernv/setup.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 84438af..97d0951 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c@@ -25,6 +25,7 @@ #include <linux/of.h> #include <linux/interrupt.h> #include <linux/bug.h> +#include <linux/cpuidle.h> #include <asm/machdep.h> #include <asm/firmware.h>@@ -196,6 +197,15 @@ static int __init pnv_probe(void) return 1; } +void powernv_idle(void) +{ + /* Hook to cpuidle framework if available, else + * call on default platform idle code + */ + if (cpuidle_idle_call()) + power7_idle(); +} + define_machine(powernv) { .name = "PowerNV", .probe = pnv_probe,@@ -205,7 +215,7 @@ define_machine(powernv) { .show_cpuinfo = pnv_show_cpuinfo, .progress = pnv_progress, .machine_shutdown = pnv_shutdown, - .power_save = power7_idle, + .power_save = powernv_idle, .calibrate_decr = generic_calibrate_decr, #ifdef CONFIG_KEXEC .kexec_cpu_down = pnv_kexec_cpu_down, --To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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