linux-kernel - Re: [PATCH 2/4] ARM: OMAP2+ hwmod: Allow modules to disable HW

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Date:   Tue, 14 Mar 2017 08:48:44 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Roger Quadros <rogerq@...com>
Cc:     paul@...an.com, bcousson@...libre.com, t-kristo@...com,
        nsekhar@...com, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] ARM: OMAP2+ hwmod: Allow modules to disable HW_AUTO

* Roger Quadros <rogerq@...com> [170313 04:55]:

> --- a/arch/arm/mach-omap2/omap_hwmod.c
> +++ b/arch/arm/mach-omap2/omap_hwmod.c
> @@ -2149,7 +2149,7 @@ static int _idle(struct omap_hwmod *oh)
>  		_idle_sysc(oh);
>  	_del_initiator_dep(oh, mpu_oh);
>  
> -	if (oh->clkdm)
> +	if (oh->clkdm && !(oh->flags & HWMOD_CLKDM_NOAUTO))
>  		clkdm_deny_idle(oh->clkdm);
>  
>  	if (oh->flags & HWMOD_BLOCK_WFI)

Is this change to _idle() really needed? It seems that the
clkdm_deny_idle() there is paired with the clkdm_allow_idle()
later on in the same function?

Regards,

Tony