From mboxrd@z Thu Jan 1 00:00:00 1970 From: rnayak@ti.com (Rajendra Nayak) Date: Wed, 16 Feb 2011 17:34:20 +0530 Subject: [PATCH] OMAP2+: PM: Warn users of sleep_while_idle if !CONFIG_CPU_IDLE Message-ID: <1297857860-3713-1-git-send-email-rnayak@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This should help users who do a 'echo 1 > /debug/pm_debug/sleep_while_idle' with a config which has !CONFIG_CPU_IDLE and wonder why OMAP is'nt sleeping in idle. Signed-off-by: Rajendra Nayak --- arch/arm/mach-omap2/pm-debug.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 125f565..1e722a0 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -569,6 +569,10 @@ static int option_get(void *data, u64 *val) *val = *option; +#ifndef CONFIG_CPU_IDLE + if (option == &sleep_while_idle) + pr_warn("CONFIG_CPU_IDLE is not enabled\n"); +#endif return 0; } @@ -581,6 +585,11 @@ static int option_set(void *data, u64 val) *option = val; +#ifndef CONFIG_CPU_IDLE + if (option == &sleep_while_idle) + pr_warn("CONFIG_CPU_IDLE is not enabled\n"); +#endif + if (option == &enable_off_mode) { if (val) omap_pm_enable_off_mode(); -- 1.7.0.4