linux-kernel - Re: arRe: [PATCH net-next 2/2] net: hns: enet specisies a reference to dsaf (config and documents)

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Message-ID: <56680134.90504@huawei.com>
Date:	Wed, 9 Dec 2015 18:23:48 +0800
From:	"Yankejian (Hackim Yim)" <yankejian@...wei.com>
To:	Arnd Bergmann <arnd@...db.de>,
	<linux-arm-kernel@...ts.infradead.org>
CC:	<mark.rutland@....com>, <lisheng011@...wei.com>,
	<salil.mehta@...wei.com>, <liguozhu@...wei.com>,
	<haifeng.wei@...wei.com>, <pawel.moll@....com>,
	<ijc+devicetree@...lion.org.uk>, <catalin.marinas@....com>,
	<will.deacon@....com>, <linux-kernel@...r.kernel.org>,
	<xuwei5@...ilicon.com>, <devicetree@...r.kernel.org>,
	<robh+dt@...nel.org>, <huangdaode@...ilicon.com>,
	<galak@...eaurora.org>, <netdev@...r.kernel.org>,
	<fengguang.wu@...el.com>, <Yisen.Zhuang@...wei.com>,
	<davem@...emloft.net>
Subject: Re: arRe: [PATCH net-next 2/2] net: hns: enet specisies a reference
 to dsaf (config and documents)



On 2015/12/9 18:00, Arnd Bergmann wrote:
> On Wednesday 09 December 2015 17:25:13 Yankejian wrote:
>>  thanks a lot for pointing it out.
>>
>>  It is great regret that this change breaks compatibility with old dtbs.
>>  this is a new driver which is run on developing boards, and all the
>>  clients' boards are developing boards. So we provide them a method to
>>  update the firmware on the board, once we update the dtsi and kernel,
>>  we require our clients to update the existed firmware and kernel.
>>  Therefore, these changes is actually under control. Shall we treat this
>>  by this way?
> Ok, if you can show that the incompatible change is safe to do, that's
> fine. Just put the explanation above into the patch description to
> document that you have considered the effects of the change, and
> to ensure that it gets done atomically.
>
> Also, you have to merge the two patches into one to allow bisection,
> or do a series of three patches that need to be applied in order:
>
> 1. add ae-handle property
> 2. change driver to use that property
> 3. remove ae-name property
>
> 	Arnd
>
> .
>
Ok, thanks for your good advices.
i will change it in V2 PATCH.

Bset Regards
yankejian

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