From: Johan Hovold <johan@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: "Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
"Stanimir Varbanov" <svarbanov@mm-sol.com>,
"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Michael Turquette" <mturquette@baylibre.com>,
"Stephen Boyd" <swboyd@chromium.org>,
"Johan Hovold" <johan+linaro@kernel.org>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Prasad Malisetty" <quic_pmaliset@quicinc.com>,
"Vinod Koul" <vkoul@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org,
linux-clk@vger.kernel.org
Subject: Re: [PATCH v6 2/5] clk: qcom: regmap: add PHY clock source implementation
Date: Wed, 18 May 2022 09:48:46 +0200 [thread overview]
Message-ID: <YoSk3i00b02bRThU@hovoldconsulting.com> (raw)
In-Reply-To: <YoShe/rWXVq78+As@hovoldconsulting.com>
On Wed, May 18, 2022 at 09:34:19AM +0200, Johan Hovold wrote:
> On Fri, May 13, 2022 at 08:53:36PM +0300, Dmitry Baryshkov wrote:
> > +/*
> > + * A special clock implementation for PHY pipe and symbols clock sources.
>
> s/sources/muxes/
>
> > + *
> > + * If the clock is running off the from-PHY source, report it as enabled.
> > + * Report it as disabled otherwise (if it uses reference source).
> > + *
> > + * This way the PHY will disable the pipe clock before turning off the GDSC,
>
> s|pipe|pipe/symbol|
>
> > + * which in turn would lead to disabling corresponding pipe_clk_src (and thus
> > + * it being parked to a safe, reference clock source). And vice versa, after
> > + * enabling the GDSC the PHY will enable the pipe clock, which would cause
>
> s|pipe|pipe/symbol|
>
> > + * pipe_clk_src to be switched from a safe source to the working one.
> > + */
>
> You're still referring to the old pipe_clk_src name in two places in
> this comment.
Just remembered that the PCIe/USB mux is also referred to as
pipe_clk_src and that your not referring to the clock implementation.
I guess the comment works as-is even if the example refers to just
USB/PCIe.
> Should this be reflected in Subject as well (e.g. "PHY mux
> implementation")?
Johan
next prev parent reply other threads:[~2022-05-18 7:48 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-13 17:53 [PATCH v6 0/5] PCI: qcom: Rework pipe_clk/pipe_clk_src handling Dmitry Baryshkov
2022-05-13 17:53 ` [PATCH v6 1/5] PCI: qcom: Remove unnecessary pipe_clk handling Dmitry Baryshkov
2022-05-18 7:42 ` Johan Hovold
2022-05-13 17:53 ` [PATCH v6 2/5] clk: qcom: regmap: add PHY clock source implementation Dmitry Baryshkov
2022-05-18 7:34 ` Johan Hovold
2022-05-18 7:48 ` Johan Hovold [this message]
2022-05-19 11:44 ` Dmitry Baryshkov
2022-05-18 17:58 ` Stephen Boyd
2022-05-18 19:19 ` Dmitry Baryshkov
2022-05-19 11:16 ` Dmitry Baryshkov
2022-05-20 22:49 ` Stephen Boyd
2022-05-21 0:38 ` Dmitry Baryshkov
2022-05-13 17:53 ` [PATCH v6 3/5] clk: qcom: gcc-sm8450: use new clk_regmap_pipe_src_ops for PCIe pipe clocks Dmitry Baryshkov
2022-05-18 7:36 ` Johan Hovold
2022-05-18 17:59 ` Stephen Boyd
2022-05-18 18:26 ` Dmitry Baryshkov
2022-05-18 18:31 ` Stephen Boyd
2022-05-13 17:53 ` [PATCH v6 4/5] clk: qcom: gcc-sc7280: " Dmitry Baryshkov
2022-05-18 7:37 ` Johan Hovold
2022-05-13 17:53 ` [PATCH v6 5/5] PCI: qcom: Drop manual pipe_clk_src handling Dmitry Baryshkov
2022-05-18 7:41 ` Johan Hovold
2022-05-18 7:53 ` [PATCH v6 0/5] PCI: qcom: Rework pipe_clk/pipe_clk_src handling Johan Hovold
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