Re: [PATCH v1 2/4] ARM: keystone: pm: switch to use generic pm domains

From: Kevin Hilman
Date: Sun Oct 12 2014 - 08:56:31 EST


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@xxxxxx>

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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