linux-kernel - Re: [RFC PATCH v1 0/2] Add Hisilicon Djtag driver

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Message-ID: <579574E8.4080201@huawei.com>
Date:	Mon, 25 Jul 2016 10:09:44 +0800
From:	Tan Xiaojun <tanxiaojun@...wei.com>
To:	Arnd Bergmann <arnd@...db.de>, Mark Rutland <mark.rutland@....com>
CC:	<robh+dt@...nel.org>, <pawel.moll@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<xuwei5@...ilicon.com>, <devicetree@...r.kernel.org>,
	<khilman@...aro.org>, <k.kozlowski@...sung.com>,
	<amitdanielk@...il.com>, <heiko@...ech.de>, <wxt@...k-chips.com>,
	<alex.aring@...il.com>, <qiang.zhao@...escale.com>,
	<treding@...dia.com>, <rmk+kernel@....linux.org.uk>,
	<gregory.clement@...e-electrons.com>, <f.fainelli@...il.com>,
	<geert+renesas@...der.be>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RFC PATCH v1 0/2] Add Hisilicon Djtag driver

On 2016/7/22 21:27, Arnd Bergmann wrote:
> On Friday, July 22, 2016 11:56:49 AM CEST Mark Rutland wrote:
>> Hi,
>>
>> I understand that some SoC/socket level PMU is accessed via these
>> registers. It doesn't make sense to review either in isolation. Please
>> put together a unified series, with both the djtag accessors and the
>> PMU code.
>>
>> On it's own, it's *very* difficult to understand how this fits into the
>> SoC, and how it is to be used.
> 
> Is there anything else that the driver is used for?
> 
> Having it in drivers/soc/ feels wrong to me, and if there is only
> one user, I'd recommend having it as part of the same driver module
> as the code accessing it.
> 
> 	Arnd
> 

Many modules will use it, and they are waiting for djtag upstream. Maybe
it should not have been presented separately. I will think about it.

Thanks,
Xiaojun.

> 
> .
>