Linux SCSI subsystem development
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From: Konrad Dybcio <konradybcio@kernel.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Bart Van Assche <bvanassche@acm.org>,
	Dmitry Osipenko <digetx@gmail.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Stephen Boyd <sboyd@kernel.org>,
	Viresh Kumar <vireshk@kernel.org>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	MyungJoo Ham <myungjoo.ham@samsung.com>,
	Nishanth Menon <nm@ti.com>,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-scsi@vger.kernel.org, linux-tegra@vger.kernel.org,
	Avri Altman <avri.altman@wdc.com>,
	Bjorn Andersson <andersson@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Subject: Re: [PATCH] OPP: Remove the unused argument to config_clks_t
Date: Thu, 4 Jan 2024 13:56:03 +0100	[thread overview]
Message-ID: <d994e6c3-f69e-4910-b699-65cb3ab6c72b@kernel.org> (raw)
In-Reply-To: <64ee255e-9a5a-405e-b342-e91c55bd95ce@kernel.org>



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.

Konrad

  reply	other threads:[~2024-01-04 12:56 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-03 10:48 [PATCH] OPP: Remove the unused argument to config_clks_t Viresh Kumar
2024-01-04 12:53 ` Konrad Dybcio
2024-01-04 12:56   ` Konrad Dybcio [this message]
2024-01-05 10:35     ` Viresh Kumar

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