Re: [PATCH] OMAP: PM: warn if CONFIG_CPU_IDLE is not enabled

[Kevin Hilman <khilman@deeprootsystems.com>]

Paul Walmsley <paul@pwsan.com> writes:

> For MPU latency constraints to work, CONFIG_CPU_IDLE must be enabled,
> since CPUIdle is where the constraints are evaluated.  Warn during
> compilation if CONFIG_CPU_IDLE is not defined.
>
> Signed-off-by: Paul Walmsley <paul@pwsan.com>

Thanks, pushing to PM branch.

Kevin

> ---
>  arch/arm/mach-omap2/resource34xx.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/resource34xx.c b/arch/arm/mach-omap2/resource34xx.c
> index 25535a3..1693e9b 100644
> --- a/arch/arm/mach-omap2/resource34xx.c
> +++ b/arch/arm/mach-omap2/resource34xx.c
> @@ -28,6 +28,10 @@
>  #include "cm.h"
>  #include "cm-regbits-34xx.h"
>  
> +#ifndef CONFIG_CPU_IDLE
> +#warning MPU latency constraints require CONFIG_CPU_IDLE to function!
> +#endif
> +
>  /**
>   * init_latency - Initializes the mpu/core latency resource.
>   * @resp: Latency resource to be initalized
> -- 
> 1.6.3.GIT