linux-kernel - Re: [PATCH V2 1/6] Documentation: add dts binding for X-Gene reboot dts node.

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Message-ID: <CAL85gmA5Ob+kp-+5seO-wcB8tx4jyiOeFMyCsZWFBLdX09nZDg@mail.gmail.com>
Date:	Thu, 9 Jan 2014 14:51:19 -0800
From:	Feng Kan <fkan@....com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Mark Rutland <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH V2 1/6] Documentation: add dts binding for X-Gene reboot
 dts node.

On Wed, Jan 8, 2014 at 2:08 AM, Arnd Bergmann <arnd@...db.de> wrote:
> On Wednesday 08 January 2014 10:05:50 Mark Rutland wrote:
>> > +
>> > +Example:
>> > +
>> > +     reboot@0 {
>> > +             compatible = "apm,xgene-reboot";
>> > +             reg = <0x0 0x17000014 0x0 0x4>;
>> > +     };
>>
>> Given this seems to be a 64-bit address, the unit address should
>> preferably be 0,17000014 rather than just 0.
>
> I also wonder about the size and location of the register.
> Are you sure the device is just a single 4-byte register at offset
> 0x14, rather than a complex device that happens to contain the
> reset register?

FKAN: this is a single 4 byte register when clicked perform the system
reset of the platform.

>
>         Arnd
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