linux-kernel - Re: [PATCH v2 RESEND 1/2] ARM: arch timer: Set the TVAL before timer is enabled

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Date:	Sat, 15 Sep 2012 12:53:28 -0700
From:	Rohit Vaswani <rvaswani@...eaurora.org>
To:	David Brown <davidb@...eaurora.org>
CC:	Marc Zyngier <marc.zyngier@....com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	Daniel Walker <dwalker@...o99.com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 RESEND 1/2] ARM: arch timer: Set the TVAL before timer
 is enabled

On 9/15/2012 10:00 AM, David Brown wrote:
> On Sat, Sep 15, 2012 at 12:41:53AM -0700, Rohit Vaswani wrote:
>> On some hardware, the timer deasserts the interrupt when a
>> new TVAL is written only when the enable bit is cleared.
>> Hence explicitly disable the timer and then program the
>> TVAL followed by enabling the timer.
>> If this order is not followed, there are chances that
>> you would not receive any timer interrupts.
> It's a little unclear to me who you intend to take this patch.  In the
> To field, you've listed Marc, the MSM maintainers, as well as Russell.
> The MSM tree doesn't really make sense, since this is general ARM
> code.  Marc would make sense if you depend on an active patch series
> he is working on, so he could include it.
>
> I'm guessing you meant it for Russell, though, and the rest of us as
> CCs.

Yes, thanks for pointing that out. Sorry if the headers were confusing, 
I will be more mindful of this next time.
>
> Thanks,
> David
>



Thanks,
Rohit Vaswani

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