linux-kernel - Re: [PATCH v6 0/3] Add MediaTek display PWM driver

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Message-ID: <1438582892.19953.4.camel@mtksdaap41>
Date:	Mon, 3 Aug 2015 14:21:32 +0800
From:	YH Huang <yh.huang@...iatek.com>
To:	Thierry Reding <thierry.reding@...il.com>
CC:	Matthias Brugger <matthias.bgg@...il.com>,
	Mark Rutland <mark.rutland@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>, <linux-pwm@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<srv_heupstream@...iatek.com>,
	<linux-mediatek@...ts.infradead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	<yingjoe.chen@...iatek.com>
Subject: Re: [PATCH v6 0/3] Add MediaTek display PWM driver

On Fri, 2015-07-24 at 17:10 +0800, YH Huang wrote:
> On Fri, 2015-07-24 at 10:42 +0200, Matthias Brugger wrote:
> > On Monday, July 20, 2015 04:17:14 PM YH Huang wrote:
> > > This patch series add the use of display PWM driver, documentation
> > > and device tree for Mediatek SoCs. The driver is used to support
> > > the backlight of the panel. This is based on v4.2-rc1.
> > > 
> > > The clock definitions (CLK_MM_DISP_PWM*) are added by James Liao's patch:
> > > clk: mediatek: Add subsystem clocks of MT8173
> > > 
> > > Change in v6:
> > > 1. Enable clocks in the pwm_enable function
> > > 2. Remove suspend/resume code since pwm-backlight driver has done the same
> > > things 3. Revise some code to make it easier to read
> > > 
> > 
> > Can you please provide the whole change log for all versions the next time.
> > It's easier this way to understand the evolution of the series.
> 
> Change in v6:
> 1. Enable clocks in the pwm_enable function.
> 2. Remove suspend/resume code since pwm-backlight driver has done the
> same things.
> 3. Revise some code to make it easier to read.
> 
> Change in v5:
> 1. Configure PWM output via pinctrl.
> 2. Fix the parameter name in dtsi.
> 
> Change in v4:
> 1. Codebase is on v4.2-rc1.
> 2. Add the PWM node in dtsi.
> 3. Change the dependency in Kconfig.
> 4. Rewrite some code for readability.
> 
> Change in v3:
> 1. Add suspend/resume function.
> 2. Fix the formula for high_width calculation.
> 3. Rewrite some code to make it easier to read.
> 4. Add more information in the commit message.
> 
> Change in v2:
> 1. Rewrite descriptions for driver in kconfig to make it much clear.
> 2. Rename the driver from "pwm-mediatek-disp" to "pwm-mtk-disp".
> 3. Disable clocks in the error path.
> 4. Change the shift values in decimal instead of hex.
> 5. Rename and add some variables or function name for consistency and
> readability.
> 6. Drop unnecessary parentheses, spaces, variables and add newlines to
> make the code easiler to read.
> 
> Thanks for your suggestion.

Hi Thierry,

Do you have any suggestions?
Maybe we could apply the patch?

Regards,
YH Huang

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