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From: Jeffrey Hugo <jhugo@codeaurora.org>
To: Stephen Boyd <sboyd@kernel.org>,
	bjorn.andersson@linaro.org, mturquette@baylibre.com
Cc: marc.w.gonzalez@free.fr, andy.gross@linaro.org,
	david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
	linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v1 1/4] clk: qcom: smd: Add XO clock for MSM8998
Date: Tue, 5 Feb 2019 15:15:16 -0700	[thread overview]
Message-ID: <6e62a49a-fdb1-a087-fe83-e86aed969ae7@codeaurora.org> (raw)
In-Reply-To: <154940408967.169292.15276398799323074789@swboyd.mtv.corp.google.com>

On 2/5/2019 3:01 PM, Stephen Boyd wrote:
> Quoting Jeffrey Hugo (2019-01-30 08:35:44)
>> The XO clock generally feeds into other clock controllers as the parent
>> for a lot of clock generators.
>>
>> Fixes: 6131dc81211c (clk: qcom: smd: Add support for MSM8998 rpm clocks)
>> Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
> 
> We've historically left out the XO clk because it causes problems where
> the XO vote goes away during late init because nobody references it from
> the rest of the clk tree and also because RPM defers probe of the system
> and then the console blows up when it gets a clk that can't change rate.
> See commit 54823af9cd52 ("clk: qcom: Always add factor clock for xo
> clocks") for some more info on why we removed all the workarounds and
> stuff around here too.
> 
> So are you sure this is OK to do?
>   
> 

So, I've got pretty much everything as modules, and I haven't seen any 
issues.  However let me take a look at the commit you point out and see.

-- 
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm 
Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.

  reply	other threads:[~2019-02-05 22:15 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-30 16:35 [PATCH v1 0/4] MSM8998 Multimedia Clock Controller Jeffrey Hugo
2019-01-30 16:35 ` [PATCH v1 1/4] clk: qcom: smd: Add XO clock for MSM8998 Jeffrey Hugo
2019-02-05 22:01   ` Stephen Boyd
2019-02-05 22:15     ` Jeffrey Hugo [this message]
2019-02-05 22:32       ` Stephen Boyd
2019-02-05 22:37         ` Jeffrey Hugo
2019-02-06 13:55         ` Georgi Djakov
2019-02-06 17:04           ` Jeffrey Hugo
2019-01-30 16:35 ` [PATCH v1 2/4] dt-bindings: clock: Add support for the MSM8998 mmcc Jeffrey Hugo
2019-02-05 22:02   ` Stephen Boyd
2019-02-05 22:08     ` Jeffrey Hugo
2019-02-05 22:16       ` Stephen Boyd
2019-02-05 22:36         ` Jeffrey Hugo
2019-01-30 16:36 ` [PATCH v1 3/4] clk: qcom: Add MSM8998 Multimedia Clock Controller (MMCC) driver Jeffrey Hugo
2019-02-05 22:06   ` Stephen Boyd
2019-02-05 22:12     ` Jeffrey Hugo
2019-02-05 22:16       ` Stephen Boyd
2019-01-30 16:36 ` [PATCH v1 4/4] arm64: dts: qcom: msm8998: Add mmcc node Jeffrey Hugo
2019-02-05 22:03   ` Stephen Boyd
2019-02-05 22:10     ` Jeffrey Hugo

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