linux-kernel - Re: [PATCH v7 6/7] clk: hi6220: Clock driver support for Hisilicon hi6220 SoC

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Message-ID: <555F76D9.10308@codeaurora.org>
Date:	Fri, 22 May 2015 11:35:05 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Brent Wang <wangbintian@...il.com>
CC:	Bintian <bintian.wang@...wei.com>,
	Mike Turquette <mturquette@...aro.org>,
	Zhangfei Gao <zhangfei.gao@...aro.org>,
	Xu Wei <xuwei5@...ilicon.com>,
	"xuejiancheng@...wei.com" <xuejiancheng@...wei.com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	"sledge.yanwei@...wei.com" <sledge.yanwei@...wei.com>,
	linux-clk@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Will Deacon <will.deacon@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Kevin Hilman <khilman@...aro.org>,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Olof Johansson <olof@...om.net>,
	Haifeng Yan <yanhaifeng@...il.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Guodong Xu <guodong.xu@...aro.org>,
	Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>,
	Tyler Baker <tyler.baker@...aro.org>,
	Kevin Hilman <khilman@...nel.org>,
	"xuyiping@...ilicon.com" <xuyiping@...ilicon.com>,
	"wangbinghui@...ilicon.com" <wangbinghui@...ilicon.com>,
	"zhenwei.wang@...ilicon.com" <zhenwei.wang@...ilicon.com>,
	"victor.lixin@...ilicon.com" <victor.lixin@...ilicon.com>,
	"puck.chen@...ilicon.com" <puck.chen@...ilicon.com>,
	"dan.zhao@...ilicon.com" <dan.zhao@...ilicon.com>,
	"huxinwei@...wei.com" <huxinwei@...wei.com>,
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	XinWei Kong <kong.kongxinwei@...ilicon.com>,
	"w.f@...wei.com" <w.f@...wei.com>,
	"Liguozhu (Kenneth)" <liguozhu@...ilicon.com>
Subject: Re: [PATCH v7 6/7] clk: hi6220: Clock driver support for Hisilicon
 hi6220 SoC

On 05/22/15 11:30, Brent Wang wrote:
> Hello Stephen,
>
> 2015-05-22 13:20 GMT+08:00 Bintian <bintian.wang@...wei.com>:
>>
>>>
>>> Is pl011 the uart device? Does it have a node in DT somewhere? If it
>>> does, then we could put the assigned-parents properties in that node so
>>> that when the pl011 probes the uart1 clock has its parent set to
>>> clk_150m. See the "Assigned clock parents and rates" section of
>>> Documentation/devicetree/bindings/clock/clock-bindings.txt.
>>>
>> I will verify this.
> Currently the "assigned-clock*" doesn't work for pl011 UART device
> node, maybe we will
> do some fix for its driver later or other modules.

Why doesn't it work?

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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