linux-kernel - Re: [PATCHv4] x86, mrst: share APB timer code with other platforms

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Date:	Tue, 21 Jun 2011 11:14:39 +0100
From:	Jamie Iles <jamie@...ieiles.com>
To:	Jamie Iles <jamie@...ieiles.com>
Cc:	linux-kernel@...r.kernel.org, John Stultz <johnstul@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: Re: [PATCHv4] x86, mrst: share APB timer code with other platforms

On Mon, Jun 06, 2011 at 12:43:07PM +0100, Jamie Iles wrote:
> The APB timers are an IP block from Synopsys (DesignWare APB timers)
> and are also found in other systems including ARM SoC's.  This patch
> adds functions for creating clock_event_devices and clocksources from
> APB timers but does not do the resource allocation.  This is handled
> in a higher layer to allow the timers to be created from multiple
> methods such as platform_devices.
> 
> Changes since v3:
> 	- Add dw_apb_clocksource_unregister()
> 	- Move kerneldoc to the implementation file
> Changes since v2:
> 	- Make eoi() for clock_event_device optional for x86 where eoi                                                                                                                                                                                                                                                         
> 	  is handled in firmware.
> Changes since v1:
> 	- Use the correct timer for clocksource on x86
> 	- Select the correct timer rating for x86
> 	- Restore freerunning timer behaviour for oneshot event devices
> 	- Reenable event irq correctly for hotplug
> 
> Cc: John Stultz <johnstul@...ibm.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Signed-off-by: Jamie Iles <jamie@...ieiles.com>
> ---

Ping?

Jamie
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