Re: [PATCH] ARM: OMAP3: Fix external abort on 36xx waking from off mode idle

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* Dave Gerlach <d-gerlach@xxxxxx> [160412 08:45]:
> --- a/arch/arm/mach-omap2/pm34xx.c
> +++ b/arch/arm/mach-omap2/pm34xx.c
> @@ -268,7 +268,6 @@ void omap_sram_idle(void)
>  	int per_next_state = PWRDM_POWER_ON;
>  	int core_next_state = PWRDM_POWER_ON;
>  	int per_going_off;
> -	int core_prev_state;
>  	u32 sdrc_pwr = 0;
>  
>  	mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm);
> @@ -348,17 +347,21 @@ void omap_sram_idle(void)
>  		sdrc_write_reg(sdrc_pwr, SDRC_POWER);
>  
>  	/* CORE */
> -	if (core_next_state < PWRDM_POWER_ON) {
> -		core_prev_state = pwrdm_read_prev_pwrst(core_pwrdm);
> -		if (core_prev_state == PWRDM_POWER_OFF) {
> -			omap3_core_restore_context();
> -			omap3_cm_restore_context();
> -			omap3_push_sram_idle();
> -			omap3_push_sram_secure_idle();
> -			omap2_sms_restore_context();
> -		}
> +	if (core_next_state < PWRDM_POWER_ON &&
> +	    pwrdm_read_prev_pwrst(core_pwrdm) == PWRDM_POWER_OFF) {
> +		omap3_core_restore_context();
> +		omap3_cm_restore_context();
> +		omap3_push_sram_idle();
> +		omap3_push_sram_secure_idle();
> +		omap2_sms_restore_context();
> +	} else {
> +		/*
> +		 * In off-mode resume path above, omap3_core_restore_context
> +		 * also handles the INTC autoidle restore done here so limit
> +		 * this to non-off mode resume paths so we don't do it twice.
> +		 */
> +		omap3_intc_resume_idle();
>  	}
> -	omap3_intc_resume_idle();
>  
>  	pwrdm_post_transition(NULL);

Can you please repost against v4.7-rc? This does not apply as
mainline still uses omap3_sram_restore_context(). Should be
retested again with your patches applied on top of this fix.

Regards,

Tony
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