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From: Brian Masney <bmasney@redhat.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: Val Packett <val@packett.cool>,
	Saravana Kannan <saravanak@kernel.org>,
	Abel Vesa <abelvesa@kernel.org>,
	Maxime Ripard <mripard@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Bjorn Andersson <andersson@kernel.org>,
	Hans de Goede <johannes.goede@oss.qualcomm.com>,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 2/4] clk: qcom: common: introduce qcom_cc_sync_state()
Date: Mon, 15 Jun 2026 10:24:53 -0400	[thread overview]
Message-ID: <ajALNcLMlTThdilX@redhat.com> (raw)
In-Reply-To: <ncgma77ckduno5645xf2hcmakmbpwub5d54p4zcrhz5pbq3pij@o257r3t6p5aa>

Hi Dmitry,

On Sun, Jun 07, 2026 at 01:30:03PM +0300, Dmitry Baryshkov wrote:
> On Sun, Jun 07, 2026 at 01:43:06AM -0300, Val Packett wrote:
> > 
> > On 6/6/26 8:15 AM, Dmitry Baryshkov wrote:
> > > On Wed, Jun 03, 2026 at 10:21:47AM -0400, Brian Masney wrote:
> > > > Several qcom clk providers currently have a sync_state helper set to
> > > > icc_sync_state(). With an upcoming change to the clk framework, if
> > > > sync_state is not defined for the device, then the clk framework sets it
> > > > to clk_sync_state().
> > > > [..]
> > > > @@ -464,5 +466,12 @@ int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
> > > >   }
> > > >   EXPORT_SYMBOL_GPL(qcom_cc_probe_by_index);
> > > > +void qcom_cc_sync_state(struct device *dev)
> > > > +{
> > > > +	icc_sync_state(dev);
> > > Only if desc->icc_hws != 0, otherwise it will mess the interconnect
> > > internals. You might need to set drvdata to desc.
> > 
> > Hmm…
> > 
> > Currently icc_sync_state does not seem to use the dev argument at all.
> > 
> > How would something get messed up, now or whenever icc_sync_state changes?
> > o.0
> 
> Yes :-(

Sorry about the delayed response since I was out of town all last week.
Just to be clear, the missing check for 'desc->icc_hws != 0' is a bug that
existed prior to my change, and I should label it as such with a Fixes
tag when I post my next version?

Brian


  reply	other threads:[~2026-06-15 14:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-03 14:21 [PATCH 0/4] clk: implement sync_state support Brian Masney
2026-06-03 14:21 ` [PATCH 1/4] clk: introduce stub clk_sync_state() Brian Masney
2026-06-03 14:21 ` [PATCH 2/4] clk: qcom: common: introduce qcom_cc_sync_state() Brian Masney
2026-06-06 11:15   ` Dmitry Baryshkov
2026-06-07  4:43     ` Val Packett
2026-06-07 10:30       ` Dmitry Baryshkov
2026-06-15 14:24         ` Brian Masney [this message]
2026-06-15 14:33           ` Konrad Dybcio
2026-06-15 14:48             ` Brian Masney
2026-06-15 14:51               ` Konrad Dybcio
2026-06-15 15:04                 ` Brian Masney
2026-06-08  8:47   ` Konrad Dybcio
2026-06-03 14:21 ` [PATCH 3/4] clk: qcom: convert from icc_sync_state() to qcom_cc_sync_state() Brian Masney
2026-06-06  6:25   ` Jens Glathe
2026-06-15 14:22     ` Brian Masney
2026-06-15 14:50       ` Jens Glathe
2026-06-06 11:17   ` Dmitry Baryshkov
2026-06-03 14:21 ` [PATCH 4/4] clk: implement sync_state support Brian Masney

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