linux-kernel - Re: [PATCH v8 6/7] clk: hi6220: Clock driver support for Hisilicon hi6220 SoC

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Date:	Fri, 29 May 2015 08:58:38 +0800
From:	Bintian <bintian.wang@...wei.com>
To:	Kevin Hilman <khilman@...nel.org>
CC:	Michael Turquette <mturquette@...aro.org>, <sboyd@...eaurora.org>,
	<zhangfei.gao@...aro.org>, <xuwei5@...ilicon.com>,
	<xuejiancheng@...wei.com>, <tomeu.vizoso@...labora.com>,
	<sledge.yanwei@...wei.com>, <linux-clk@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <arnd@...db.de>,
	<will.deacon@....com>, <robh+dt@...nel.org>,
	<mark.rutland@....com>, <catalin.marinas@....com>,
	<haojian.zhuang@...aro.org>,
	<linux-arm-kernel@...ts.infradead.org>, <olof@...om.net>,
	<yanhaifeng@...il.com>, <linux@....linux.org.uk>,
	<guodong.xu@...aro.org>, <jorge.ramirez-ortiz@...aro.org>,
	<tyler.baker@...aro.org>, <xuyiping@...ilicon.com>,
	<wangbinghui@...ilicon.com>, <zhenwei.wang@...ilicon.com>,
	<victor.lixin@...ilicon.com>, <puck.chen@...ilicon.com>,
	<dan.zhao@...ilicon.com>, <huxinwei@...wei.com>,
	<z.liuxinliang@...wei.com>, <heyunlei@...wei.com>,
	<kong.kongxinwei@...ilicon.com>, <wangbintian@...il.com>,
	<w.f@...wei.com>, <liguozhu@...ilicon.com>
Subject: Re: [PATCH v8 6/7] clk: hi6220: Clock driver support for Hisilicon
 hi6220 SoC

Hello Kevin,

On 2015/5/29 1:32, Kevin Hilman wrote:
> Bintian <bintian.wang@...wei.com> writes:
>
>> Hello Mike,
>>
>> On 2015/5/28 13:26, Michael Turquette wrote:
>>> Quoting Bintian Wang (2015-05-23 21:11:11)
>>>> Add clock drivers for hi6220 SoC, this driver controls the SoC
>>>> registers to supply different clocks to different IPs in the SoC.
>>>>
>>>> We add one divider clock for hi6220 because the divider in hi6220
>>>> also has a mask bit but it doesnot obey the rule defined by flag
>>>> "CLK_DIVIDER_HIWORD_MASK", we can not get index of the mask bit by
>>>> left shift fixed bits (e.g. 16 bits), so we add this divider clock
>>>> to handle it.
>>>>
>>>> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
>>>> Signed-off-by: Bintian Wang <bintian.wang@...wei.com>
>>>> Acked-by: Haojian Zhuang <haojian.zhuang@...aro.org>
>>>> Reviewed-by: Zhangfei Gao <zhangfei.gao@...aro.org>
>>>> Tested-by: Will Deacon <will.deacon@....com>
>>>> Tested-by: Tyler Baker <tyler.baker@...aro.org>
>>>
>>> Hi Bintian,
>>>
>>> Thanks for making the changes requested by Stephen. I've taken his patch
>>> to add assigned-clock-rate/parent support for AMBA interconnects and
>>> applied it to 4.1-rc1, and then I've applied your v8 patches #4-6 on top
>>> of that. You can find it at:
>>>
>>> git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next-hi6220
>> Thank you very much!
>>
>> I think you also need to pick patch "[PATCH v5 3/6] clk: hi6220:
>> Document devicetree bindings for hi6220 clock",  which described the
>> dt binding of clk, and it is also acked by Stephen(v4 is the same to
>> v5).
>>
>>> I have merged this into clk-next so it can get some cycles in
>>> linux-next.
>>>
>>> Stephen,
>>>
>>> Can you send your patch out to Russell properly? It needs his ack (or
>>> for him to take it outright) in order to unblock the hi6220 clock driver
>>> from being merged.
>> It doesn't block hi6220 clock driver now, because the UART1 is not
>> enabled in hi6220 dts now.
>
> Now that the clk changes are queued up, can you (re)post the remaining
> hikey patches with a changelog stating the dependency on the clk-next
> branch.  I believe what's left is just the DT and Kconfig/defconfig
> changes, correct?
Yes, you are right.

I will post the remaining hikey patches soon.

Thank you Kevin,

BR,

Bintian
>
> With some acks from the DT maintainers, these should be ready to be
> merged through arm-soc.
>
> Thanks,
>
> Kevin
>
> .
>

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