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Date: Fri, 5 Jan 2024 16:05:59 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: Bart Van Assche <bvanassche@....org>,
	Dmitry Osipenko <digetx@...il.com>,
	Thierry Reding <thierry.reding@...il.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Stephen Boyd <sboyd@...nel.org>, Viresh Kumar <vireshk@...nel.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	"James E.J. Bottomley" <jejb@...ux.ibm.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>, Nishanth Menon <nm@...com>,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-tegra@...r.kernel.org,
	Avri Altman <avri.altman@....com>,
	Bjorn Andersson <andersson@...nel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: Re: [PATCH] OPP: Remove the unused argument to config_clks_t

On 04-01-24, 13:56, Konrad Dybcio wrote:
> 
> 
> On 4.01.2024 13:53, Konrad Dybcio wrote:
> > 
> > On 3.01.2024 11:48, Viresh Kumar wrote:
> >> The OPP core needs to take care of a special case, where the OPPs aren't
> >> available for a device, but in order to keep the same unified interface
> >> for the driver, the same OPP core API must take care of performing a
> >> simple clk_set_rate() for the device.
> >>
> >> This required the extra argument, but that is used only within the OPP
> >> core and the drivers don't need to take care of that.
> >>
> >> Simplify the external API and handle it differently within the OPP core.
> >>
> >> This shouldn't result in any functional change.
> > Hi, so this apparently breaks serial on Qualcomm platforms using
> > "qcom,geni-debug-uart".. I'm seeing garbage on the console, likely
> > meaning that ratesetting wasn't done.
> 
> +CC Bjorn, Dmitry
> 
> Probably also worth noting it only happens when an OPP table is present
> in the device tree.

Found the issue. Dropped the patch for now. Not sure if there is a
clean way of handling it right now.

-- 
viresh

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