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From: andrew-sh.cheng <andrew-sh.cheng@mediatek.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: "Mark Rutland" <mark.rutland@arm.com>,
	"Nishanth Menon" <nm@ti.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	srv_heupstream <srv_heupstream@mediatek.com>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Chanwoo Choi" <cw00.choi@samsung.com>,
	"Kyungmin Park" <kyungmin.park@samsung.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>,
	"MyungJoo Ham" <myungjoo.ham@samsung.com>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	"Fan Chen (陳凡)" <fan.chen@mediatek.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [v5, PATCH 4/5] cpufreq: mediatek: add opp notification for SVS support
Date: Tue, 7 Apr 2020 14:54:49 +0800	[thread overview]
Message-ID: <1586242489.10019.1.camel@mtksdaap41> (raw)
In-Reply-To: <20200406092945.d5thcd2h3bo7mn45@vireshk-i7>

On Mon, 2020-04-06 at 14:59 +0530, Viresh Kumar wrote:
> On 06-04-20, 17:12, andrew-sh.cheng wrote:
> > I will use regulator in the locked region.
> > And regulator will use mutex_lock.
> 
> Yeah, you can't use spinlock here, use a mutex.
> 
Hi Viresh,

I am not familiar with read/write lock.
Do you mean there is another read/write function, which is not
read_lock()/write_lock(), using mutex but not spinlock?
Could you kindly tell me the functions.
Thank you.
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

WARNING: multiple messages have this Message-ID (diff)
From: andrew-sh.cheng <andrew-sh.cheng@mediatek.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: "Mark Rutland" <mark.rutland@arm.com>,
	"Nishanth Menon" <nm@ti.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	srv_heupstream <srv_heupstream@mediatek.com>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Chanwoo Choi" <cw00.choi@samsung.com>,
	"Kyungmin Park" <kyungmin.park@samsung.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>,
	"MyungJoo Ham" <myungjoo.ham@samsung.com>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	"Fan Chen (陳凡)" <fan.chen@mediatek.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [v5, PATCH 4/5] cpufreq: mediatek: add opp notification for SVS support
Date: Tue, 7 Apr 2020 14:54:49 +0800	[thread overview]
Message-ID: <1586242489.10019.1.camel@mtksdaap41> (raw)
In-Reply-To: <20200406092945.d5thcd2h3bo7mn45@vireshk-i7>

On Mon, 2020-04-06 at 14:59 +0530, Viresh Kumar wrote:
> On 06-04-20, 17:12, andrew-sh.cheng wrote:
> > I will use regulator in the locked region.
> > And regulator will use mutex_lock.
> 
> Yeah, you can't use spinlock here, use a mutex.
> 
Hi Viresh,

I am not familiar with read/write lock.
Do you mean there is another read/write function, which is not
read_lock()/write_lock(), using mutex but not spinlock?
Could you kindly tell me the functions.
Thank you.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2020-04-07  6:55 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20191126115058epcas1p3caa6da2508caa5fbe71c202834184b15@epcas1p3.samsung.com>
2019-11-26 11:50 ` [v5, PATCH 0/5] Add cpufreq and cci devfreq for mt8183, and SVS support Andrew-sh.Cheng
2019-11-26 11:50   ` Andrew-sh.Cheng
2019-11-26 11:50   ` [v5, PATCH 1/5] cpufreq: mediatek: add clock enable for intermediate clock Andrew-sh.Cheng
2019-11-26 11:50     ` Andrew-sh.Cheng
2019-11-26 11:50   ` [v5, PATCH 2/5] dt-bindings: devfreq: add compatible for mt8183 cci devfreq Andrew-sh.Cheng
2019-11-26 11:50     ` Andrew-sh.Cheng
2019-12-17  2:38     ` Chanwoo Choi
2019-12-17  2:38       ` Chanwoo Choi
2019-12-17  2:38       ` Chanwoo Choi
2019-11-26 11:50   ` [v5, PATCH 3/5] devfreq: add mediatek " Andrew-sh.Cheng
2019-11-26 11:50     ` Andrew-sh.Cheng
2019-12-17 10:08     ` Chanwoo Choi
2019-12-17 10:08       ` Chanwoo Choi
2019-12-17 10:08       ` Chanwoo Choi
2019-11-26 11:50   ` [v5, PATCH 4/5] cpufreq: mediatek: add opp notification for SVS support Andrew-sh.Cheng
2019-11-26 11:50     ` Andrew-sh.Cheng
2019-11-27  8:36     ` Viresh Kumar
2019-11-27  8:36       ` Viresh Kumar
2019-11-27  8:36       ` Viresh Kumar
2019-12-09  6:56       ` andrew-sh.cheng
2019-12-09  6:56         ` andrew-sh.cheng
2019-12-10  6:43         ` Viresh Kumar
2019-12-10  6:43           ` Viresh Kumar
2019-12-10  6:43           ` Viresh Kumar
2020-03-10  8:11           ` andrew-sh.cheng
2020-03-10  8:11             ` andrew-sh.cheng
2020-03-11  6:06             ` Viresh Kumar
2020-03-11  6:06               ` Viresh Kumar
2020-03-11  6:06               ` Viresh Kumar
2020-03-12  9:12               ` andrew-sh.cheng
2020-03-12  9:12                 ` andrew-sh.cheng
2020-03-13  7:22               ` andrew-sh.cheng
2020-03-13  7:22                 ` andrew-sh.cheng
2020-03-13  9:10                 ` Viresh Kumar
2020-03-13  9:10                   ` Viresh Kumar
2020-03-13  9:10                   ` Viresh Kumar
2020-04-06  9:12                   ` andrew-sh.cheng
2020-04-06  9:12                     ` andrew-sh.cheng
2020-04-06  9:29                     ` Viresh Kumar
2020-04-06  9:29                       ` Viresh Kumar
2020-04-06  9:29                       ` Viresh Kumar
2020-04-07  6:54                       ` andrew-sh.cheng [this message]
2020-04-07  6:54                         ` andrew-sh.cheng
2020-04-07  8:29                         ` Viresh Kumar
2020-04-07  8:29                           ` Viresh Kumar
2020-04-07  8:29                           ` Viresh Kumar
2020-04-07  9:09                           ` andrew-sh.cheng
2020-04-07  9:09                             ` andrew-sh.cheng
2019-11-26 11:50   ` [v5, PATCH 5/5] devfreq: mediatek: cci devfreq register " Andrew-sh.Cheng
2019-11-26 11:50     ` Andrew-sh.Cheng
2019-12-17  7:31   ` [v5, PATCH 0/5] Add cpufreq and cci devfreq for mt8183, and " Chanwoo Choi
2019-12-17  7:31     ` Chanwoo Choi
2019-12-17  7:31     ` Chanwoo Choi

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