linux-kernel - Re: [PATCH] OPP: Remove the unused argument to config_clks

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Date: Thu, 4 Jan 2024 13:53:54 +0100
From: Konrad Dybcio <konradybcio@...nel.org>
To: Viresh Kumar <viresh.kumar@...aro.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>
Subject: Re: [PATCH] OPP: Remove the unused argument to config_clks_t

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.

Konrad