linux-kernel - Re: [PATCH v3 2/3] cpufreq: mediatek: Add CPUFREQ_ASYNC

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Message-ID: <20250321045938.6gnmtlbdcx2i6gmw@vireshk-i7>
Date: Fri, 21 Mar 2025 10:29:38 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Chun-Jen Tseng (曾俊仁) <Chun-Jen.Tseng@...iatek.com>
Cc: "cw00.choi@...sung.com" <cw00.choi@...sung.com>,
	"rafael@...nel.org" <rafael@...nel.org>,
	Project_Global_Chrome_Upstream_Group <Project_Global_Chrome_Upstream_Group@...iatek.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"myungjoo.ham@...sung.com" <myungjoo.ham@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kyungmin.park@...sung.com" <kyungmin.park@...sung.com>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v3 2/3] cpufreq: mediatek: Add CPUFREQ_ASYNC_NOTIFICATION
 flag

On 20-03-25, 08:34, Chun-Jen Tseng (曾俊仁) wrote:
> For CCI and ARMPLL in different driver, I need to change ARMPLL first
> then use cpufreq notify CCI driver. it can avoid CCI driver get wrong
> ARMPLL frequency and choose WRONG frequency.

That flag is only required if mtk_cpufreq_set_target() isn't able to complete
the freq transition. Which isn't the case here. I don't think your patch is
correct.

-- 
viresh