Message-ID: <555F76D9.10308@codeaurora.org>
Date: Fri, 22 May 2015 11:35:05 -0700
From: Stephen Boyd <sboyd@codeaurora.org>
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To: Brent Wang <wangbintian@gmail.com>
CC: Bintian <bintian.wang@huawei.com>, Mike Turquette <mturquette@linaro.org>,
        Zhangfei Gao <zhangfei.gao@linaro.org>, Xu Wei <xuwei5@hisilicon.com>,
        "xuejiancheng@huawei.com" <xuejiancheng@huawei.com>,
        Tomeu Vizoso <tomeu.vizoso@collabora.com>,
        "sledge.yanwei@huawei.com" <sledge.yanwei@huawei.com>,
        linux-clk@vger.kernel.org,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Arnd Bergmann <arnd@arndb.de>, Will Deacon <will.deacon@arm.com>,
        Rob Herring <robh+dt@kernel.org>, Kevin Hilman <khilman@linaro.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Haojian Zhuang <haojian.zhuang@linaro.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        Olof Johansson <olof@lixom.net>, Haifeng Yan <yanhaifeng@gmail.com>,
        Russell King - ARM Linux <linux@arm.linux.org.uk>,
        Guodong Xu <guodong.xu@linaro.org>,
        Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>,
        Tyler Baker <tyler.baker@linaro.org>,
        Kevin Hilman <khilman@kernel.org>,
        "xuyiping@hisilicon.com" <xuyiping@hisilicon.com>,
        "wangbinghui@hisilicon.com" <wangbinghui@hisilicon.com>,
        "zhenwei.wang@hisilicon.com" <zhenwei.wang@hisilicon.com>,
        "victor.lixin@hisilicon.com" <victor.lixin@hisilicon.com>,
        "puck.chen@hisilicon.com" <puck.chen@hisilicon.com>,
        "dan.zhao@hisilicon.com" <dan.zhao@hisilicon.com>,
        "huxinwei@huawei.com" <huxinwei@huawei.com>,
        "z.liuxinliang@huawei.com" <z.liuxinliang@huawei.com>,
        "heyunlei@huawei.com" <heyunlei@huawei.com>,
        XinWei Kong <kong.kongxinwei@hisilicon.com>,
        "w.f@huawei.com" <w.f@huawei.com>,
        "Liguozhu (Kenneth)" <liguozhu@hisilicon.com>
Subject: Re: [PATCH v7 6/7] clk: hi6220: Clock driver support for Hisilicon
 hi6220 SoC
References: <1432117752-7074-1-git-send-email-bintian.wang@huawei.com>	<1432117752-7074-2-git-send-email-bintian.wang@huawei.com>	<555D09F3.7020506@codeaurora.org>	<555D57BB.8080702@huawei.com>	<555E1D55.1050907@codeaurora.org>	<555EBCA4.9030303@huawei.com> <CAAS=xmgHJVThR2hVeMYZjKgJdodEG_hrs09BBA01gOXMSc8Rdg@mail.gmail.com>
In-Reply-To: <CAAS=xmgHJVThR2hVeMYZjKgJdodEG_hrs09BBA01gOXMSc8Rdg@mail.gmail.com>
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On 05/22/15 11:30, Brent Wang wrote:
> Hello Stephen,
>
> 2015-05-22 13:20 GMT+08:00 Bintian <bintian.wang@huawei.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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