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From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
Date: Wed, 21 Aug 2013 01:03:13 -0700	[thread overview]
Message-ID: <20130821080313.GC7656@atomide.com> (raw)
In-Reply-To: <1375884321-30489-1-git-send-email-baozich@gmail.com>

* Chen Baozi <baozich@gmail.com> [130807 07:18]:
> The denominator should be load from INCREMENTOR_DENUMERATOR_RELOAD_OFFSET
> rather than INCREMENTER_NUMERATOR_OFFSET.
> 
> This is more likely a typo, since INCREMENTER_DENUMERATOR_RELOAD[23:17] is
> reserved. It seems that it won't make much trouble without this fix, because
> the useful [11:0] bits are mask and set the right value. Anyway, reading
> from a right address is better choice.

Thanks applying to omap-for-v3.12/fixes-non-critical.

Tony
 
> Signed-off-by: Chen Baozi <baozich@gmail.com>
> ---
>  arch/arm/mach-omap2/timer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
> index 1e77f11..ccc5c72 100644
> --- a/arch/arm/mach-omap2/timer.c
> +++ b/arch/arm/mach-omap2/timer.c
> @@ -537,7 +537,7 @@ static void __init realtime_counter_init(void)
>  	reg |= num;
>  	__raw_writel(reg, base + INCREMENTER_NUMERATOR_OFFSET);
>  
> -	reg = __raw_readl(base + INCREMENTER_NUMERATOR_OFFSET) &
> +	reg = __raw_readl(base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET) &
>  			NUMERATOR_DENUMERATOR_MASK;
>  	reg |= den;
>  	__raw_writel(reg, base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET);
> -- 
> 1.8.1.4
> 

  reply	other threads:[~2013-08-21  8:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-07 14:05 [PATCH] ARM: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD Chen Baozi
2013-08-21  8:03 ` Tony Lindgren [this message]
  -- strict thread matches above, loose matches on Subject: below --
2013-08-01 11:27 Chen Baozi
2013-08-05 15:26 ` Chen Baozi
2013-08-07 11:09   ` Tony Lindgren
2013-08-07 13:35     ` Chen Baozi

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