Re: [PATCH 4/5] ARM: trusted_foundations: implement do_idle()

From: Stephen Warren
Date: Wed Jan 22 2014 - 15:44:07 EST

On 01/21/2014 03:10 AM, Alexandre Courbot wrote:
> Support the do_idle() firmware call, which is necessary to properly
> support cpuidle.

> diff --git a/arch/arm/firmware/trusted_foundations.c b/arch/arm/firmware/trusted_foundations.c

> +#define TF_CPU_PM 0xfffffffc
> +#define TF_CPU_PM_LP0 0xffffffe3
> +#define TF_CPU_PM_LP1 0xffffffe6
> +#define TF_CPU_PM_LP1_NO_MC_CLK 0xffffffe5
> +#define TF_CPU_PM_LP2 0xffffffe4
> +#define TF_CPU_PM_LP2_NOFLUSH_L2 0xffffffe7

Hmm. This must be Tegra-specific, not generic to any TF client, since
aren't the names of the suspend states (LP0, LP1, LP2) entirely specific
to Tegra?
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at