linux-kernel - Re: [PATCH 26/27] ARM: shmobile: lager-reference: Enable CMT0 in device tree

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Date:	Fri, 14 Feb 2014 18:36:11 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
CC:	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	linux-sh@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 26/27] ARM: shmobile: lager-reference: Enable CMT0 in
 device tree

Hello.

On 14-02-2014 18:22, Laurent Pinchart wrote:

>>>>> Enable the CMT0 device and configure channel 0 as a clock event
>>>>> provider.

>>>>> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>

>>>>> diff --git a/arch/arm/mach-shmobile/include/mach/r8a7790.h
>>>>> b/arch/arm/mach-shmobile/include/mach/r8a7790.h index 0b95bab..62b31f3
>>>>> 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7790.h
>>>>> +++ b/arch/arm/mach-shmobile/include/mach/r8a7790.h
>>>>> @@ -29,7 +29,6 @@ enum {
>>>>>   };
>>>>>
>>>>>   void r8a7790_add_standard_devices(void);
>>>>> -void r8a7790_add_dt_devices(void);
>>>>>   void r8a7790_clock_init(void);
>>>>>   void r8a7790_pinmux_init(void);
>>>>>   void r8a7790_pm_init(void);
>>>>> diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c
>>>>> b/arch/arm/mach-shmobile/setup-r8a7790.c index 3e5813f..462c81f 100644
>>>>> --- a/arch/arm/mach-shmobile/setup-r8a7790.c
>>>>> +++ b/arch/arm/mach-shmobile/setup-r8a7790.c
>>>>> @@ -294,11 +294,6 @@ static struct resource cmt0_resources[] = {
>>>>>     					  &cmt##idx##_platform_data,	\
>>>>>     					  sizeof(struct sh_timer_config))
>>>>>
>>>>> -void __init r8a7790_add_dt_devices(void)
>>>>> -{
>>>>> -	r8a7790_register_cmt(0);
>>>>> -}
>>>>> -
>>>>>   void __init r8a7790_add_standard_devices(void)
>>>>>   {
>>>>>     	r8a7790_register_scif(0);
>>>>> @@ -311,7 +306,7 @@ void __init r8a7790_add_standard_devices(void)
>>>>>     	r8a7790_register_scif(7);
>>>>>     	r8a7790_register_scif(8);
>>>>>     	r8a7790_register_scif(9);
>>>>> -	r8a7790_add_dt_devices();
>>>>> +	r8a7790_register_cmt(0);
>>>>>     	r8a7790_register_irqc(0);
>>>>>     	r8a7790_register_thermal();
>>>>>   }
>>>>>
>>>> IMHO, these 2 files should be split into a separate patch.
>>>
>>> That could easily be done, but why ?
>>
>> It does not seem necessary to combine these changes in one patch. Remember,
>> Simon has separate branches for boards and SoCs. So finally it's up to him
>> to decide on this...

> Right, but in this case I need to remove the CMT platform device registration
> from r8a7790_add_dt_devices()

    You're not removing anything in these 2 files, you're just replacing 
"indirect" call to r8a7790_register_cmt(0) with direct.

WBR, Sergei

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