[PATCH 6/6] arm/imx6q: add suspend/resume support

[Barry Song]

> +
> +static int imx6q_pm_enter(suspend_state_t state)
> +{
> +       switch (state) {
> +       case PM_SUSPEND_MEM:
> +               imx_local_timer_pre_suspend();
> +               imx_gpc_pre_suspend();
> +               outer_flush_all();
> +               outer_disable();
> +               imx_set_cpu_jump(0, v7_cpu_resume);
> +
> +               /* Zzz ... */
> +               cpu_suspend(0, imx6q_suspend_finish);
> +
> +               imx_smp_prepare();
> +               l2x0_of_init(0, ~0UL);

it is pretty clear and good. i think we can refine
arch/arm/mach-prima2/pm.c to the way you are suspending/resuming l2.
on prima2, l2 will totally lose power in suspend cycle. i remember you
once said imx6q will retain l2 in suspend cycle?

> +               imx_gpc_post_resume();
> +               imx_local_timer_post_resume();
> +               break;
> +       default:
> +               return -EINVAL;
> +       }
> +
> +       return 0;
> +}
thanks
barry