linux-kernel - Re: [PATCH 02/26] ARM: OMAP: dmtimer: Add comments on OMAP1 clock framework

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Date:	Wed, 7 May 2014 17:10:50 -0500
From:	Joel Fernandes <joelf@...com>
To:	Tony Lindgren <tony@...mide.com>
CC:	Linux OMAP List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/26] ARM: OMAP: dmtimer: Add comments on OMAP1 clock
 framework

On 05/07/2014 10:20 AM, Tony Lindgren wrote:
> * Joel Fernandes <joelf@...com> [140424 14:44]:
>> OMAP1 doesn't support clock framework, add a comment where needed
>> and correct a FIXME.
> 
> This is at least a wrong comment, the original comment seems right
> to me.

Ok, I've no issues dropping this patch.

-Joel


> 
> Tony
>  
>> Signed-off-by: Joel Fernandes <joelf@...com>
>> ---
>>  arch/arm/plat-omap/dmtimer.c |    4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
>> index ecd3f97..f5a674c 100644
>> --- a/arch/arm/plat-omap/dmtimer.c
>> +++ b/arch/arm/plat-omap/dmtimer.c
>> @@ -142,8 +142,7 @@ static int omap_dm_timer_prepare(struct omap_dm_timer *timer)
>>  	int rc;
>>  
>>  	/*
>> -	 * FIXME: OMAP1 devices do not use the clock framework for dmtimers so
>> -	 * do not call clk_get() for these devices.
>> +	 * Do not call clk_get() for OMAP1 due to no clock framework support.
>>  	 */
>>  	if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) {
>>  		timer->fclk = clk_get(&timer->pdev->dev, "fck");
>> @@ -461,6 +460,7 @@ int omap_dm_timer_stop(struct omap_dm_timer *timer)
>>  	if (unlikely(!timer))
>>  		return -EINVAL;
>>  
>> +	/* OMAP1 is not converted to clk framework so avoid clk_get_rate here */
>>  	if (!(timer->capability & OMAP_TIMER_NEEDS_RESET))
>>  		rate = clk_get_rate(timer->fclk);
>>  
>> -- 
>> 1.7.9.5
>>

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