linux-kernel - Re: [PATCH 0/3] arm64,hi6220: Enable Hisilicon Hi6220 SoC

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Date:	Fri, 6 Feb 2015 14:35:35 +0800
From:	Brent Wang <wangbintian@...il.com>
To:	Olof Johansson <olof@...om.net>
Cc:	Tyler Baker <tyler.baker@...aro.org>,
	Bintian Wang <bintian.wang@...wei.com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Kevin Hilman <khilman@...aro.org>,
	Mike Turquette <mturquette@...aro.org>,
	Rob Herring <rob.herring@...aro.org>,
	Zhangfei Gao <zhangfei.gao@...aro.org>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	Xu Wei <xuwei5@...ilicon.com>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Haifeng Yan <yanhaifeng@...il.com>,
	Stephen Boyd <sboyd@...eaurora.org>, xuejiancheng@...wei.com,
	sledge.yanwei@...wei.com,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Guodong Xu <guodong.xu@...aro.org>, dan.zhao@...ilicon.com,
	"huxinwei@...wei.com" <huxinwei@...wei.com>,
	xuyiping@...ilicon.com, victor.lixin@...ilicon.com,
	btw@...l.itp.ac.cn, puck.chen@...ilicon.com,
	wangbinghui@...ilicon.com, zhenwei.wang@...ilicon.com,
	"Liguozhu (Kenneth)" <liguozhu@...ilicon.com>,
	XinWei Kong <kong.kongxinwei@...ilicon.com>,
	heyunlei@...wei.com, w.f@...wei.com, z.liuxinliang@...wei.com
Subject: Re: [PATCH 0/3] arm64,hi6220: Enable Hisilicon Hi6220 SoC

Hello Olof,

2015-02-06 14:18 GMT+08:00 Olof Johansson <olof@...om.net>:
>
> On Thu, Feb 5, 2015 at 8:21 PM, Brent Wang <wangbintian@...il.com> wrote:
> > Hello Olof and Tyler,
> >
> > 2015-02-06 7:52 GMT+08:00 Tyler Baker <tyler.baker@...aro.org>:
> >>
> >> On 5 February 2015 at 11:02, Olof Johansson <olof@...om.net> wrote:
> >> > On Thu, Feb 5, 2015 at 10:46 AM, Tyler Baker <tyler.baker@...aro.org>
> >> > wrote:
> >> >> Hi Bintian,
> >> >>
> >> >> On 5 February 2015 at 01:24, Bintian Wang <bintian.wang@...wei.com>
> >> >> wrote:
> >> >>> Hello,
> >> >>>
> >> >>> Hi6220 is one mobile solution of Hisilicon, this patchset contains
> >> >>> initial support for Hi6220 SoC and HiKey development board, which
> >> >>> is based on ARM Cortex A53 architecture. Initial support is minimal
> >> >>> and includes just the arch configuration, clock driver, device tree
> >> >>> configuration.
> >> >>>
> >> >>> Many peripheral drivers will be submitted later.
> >> >>>
> >> >>> Any comments will be appreciated!
> >> >>>
> >> >>> Thanks,
> >> >>>
> >> >>> Bintian Wang (3):
> >> >>>   arm64: Enable Hisilicon ARMv8 SoC family in Kconfig and defconfig
> >> >>>   clk: hi6220: Clock driver support for Hisilicon hi6220 SoC
> >> >>>   arm64: dts: Add dts files for Hisilicon Hi6220 SoC
> >> >>
> >> >> Thanks for posting these! I've applied this series on top of
> >> >> next-20150204, however there was some fuzz that needed to be cleaned
> >> >> up on 3/3 [1]. I've confirmed the platform is booting to a basic user
> >> >> space without issue.
> >> >
> >> > From ramdisk only, right?
> >>
> >> Correct, ramdisk only.
> >>
> >> > Given the timing of the posting of this
> >> > patch set, I'm not going to merge it for 3.20. Hopefully for 3.21
> >> > there will be some more peripheral support as well -- at least some
> >> > sort of storage device.
> >>
> >> Seem fair to me. I also hope to see more patches posted shortly.
> >
> > Yes, the mmc and sd drivers will be submitted soon, should they be included
> > in this patchset?  I have thought submitting this patch first for review, if
> > there
> > is no problem for this patchset and then submit other drivers, you know,
> > other
> > drivers will depend on this patchset.
>
>
> The drivers should ideally not depend on the SoC patchset -- the
> driver can go in independently. The DTS updates to specify the
> hardware should go in through arm-soc even if the driver itself (and
> the binding document update) should go in through the driver subsystem
> instead.
>
>
> So, you can choose if you want to post everything as a long series,
> and cc different maintainers on the various parts of the series -- or
> you can post each driver or subsystem as a patchset on its own and let
> that get merged through respective maintainer. The latter is most
> common these days.
I think the latter is a better way, thank you!

>
>
>
> -Olof

-- 
Best Regards,

Bintian
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