linux-kernel - RE: [PATCH v3] clocksource: add MVF600 pit timer support

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Date:	Mon, 20 May 2013 03:26:50 +0000
From:	Lu Jingchang-B35083 <B35083@...escale.com>
To:	Shawn Guo <shawn.guo@...aro.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"john.stultz@...aro.org" <john.stultz@...aro.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
Subject: RE: [PATCH v3] clocksource: add MVF600 pit timer support



>-----Original Message-----
>From: Shawn Guo [mailto:shawn.guo@...aro.org]
>Sent: Monday, May 20, 2013 11:21 AM
>To: Lu Jingchang-B35083
>Cc: linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
>john.stultz@...aro.org; tglx@...utronix.de; s.hauer@...gutronix.de
>Subject: Re: [PATCH v3] clocksource: add MVF600 pit timer support
>
>On Mon, May 20, 2013 at 03:08:54AM +0000, Lu Jingchang-B35083 wrote:
>> [Lu Jingchang-B35083]
>>   I am not sure MVF5xx and MVF7xx have the same PIT block, if you have
>information that it is the same on other Vybrid SoCs, it is ok to change
>the driver name to mvf. Thanks!
>
>Even the PIT block on other Vybrid SoCs have differences from the one
>integrated on mvf600, we can handle them using device tree compatible
>string.  And that's why we need to encode SoC name in compatible.
>
[Lu Jingchang-B35083] 
  Ok, I will rename the driver and the configure option, thanks!
>> [Lu Jingchang-B35083]
>> PIT0 and PIT1 can be chained to build a 64-bit timer, so PIT2 and PIT3
>are selected as the clocksource and clockevent device, and leave PIT0 and
>PIT1 unused for anyone else who needs them. Thanks!
>
>This could be an useful info to be in the comment.
>
[Lu Jingchang-B35083] 
  I will add a comment for this, thanks!


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