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Date:	Sun, 12 Oct 2014 05:56:23 -0700
From:	Kevin Hilman <khilman@...nel.org>
To:	Grygorii Strashko <grygorii.strashko@...com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Kevin Hilman <khilman@...aro.org>
Cc:	Geert Uytterhoeven <geert+renesas@...der.be>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>, grant.likely@...retlab.ca,
	ulf.hansson@...aro.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	lkml <linux-kernel@...r.kernel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v1 2/4] ARM: keystone: pm: switch to use generic pm domains

Hi Grygorii,

On 9/29/14 7:38 AM, Grygorii Strashko wrote:
> This patch switches Keystone 2 PM code to use Generic PM domains
> instead of PM clock domains because of the lack of DT support
> for the last.
>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>

IMO, this approach is much better.

One minor nit below...

> diff --git a/arch/arm/mach-keystone/pm_domain.c b/arch/arm/mach-keystone/pm_domain.c
> index ca79dda..3eb5257 100644
> --- a/arch/arm/mach-keystone/pm_domain.c
> +++ b/arch/arm/mach-keystone/pm_domain.c
> @@ -12,69 +12,110 @@
>   * version 2, as published by the Free Software Foundation.
>   */
>
> +#include <linux/clk.h>
>  #include <linux/init.h>
> -#include <linux/pm_runtime.h>
>  #include <linux/pm_clock.h>
> +#include <linux/pm_domain.h>
>  #include <linux/platform_device.h>
> -#include <linux/clk-provider.h>
>  #include <linux/of.h>
>
> -#ifdef CONFIG_PM_RUNTIME
> -static int keystone_pm_runtime_suspend(struct device *dev)
> +#ifdef CONFIG_PM_GENERIC_DOMAINS
> +
> +struct keystone_domain {
> + struct generic_pm_domain base;
> + struct device *dev;
> +};

I think the name 'base' for this field leads to confusion later in the
code, since base usually means something else in drivers.  How about
'genpd'?

Kevin
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