linux-kernel - Re: [PATCH v9 2/3] pwm: sifive: change the PWM algorithm

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Message-ID: <l5ymy3rlqdlkwonyxq7xqgxgk5zsgbadui7p4ehl7qeh3m2pef@ic2zyktdqcia>
Date: Fri, 12 Apr 2024 09:01:23 +0200
From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To: Nylon Chen <nylon.chen@...ive.com>
Cc: linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org, conor@...nel.org, robh+dt@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, palmer@...belt.com, paul.walmsley@...ive.com, 
	aou@...s.berkeley.edu, thierry.reding@...il.com, vincent.chen@...ive.com, 
	zong.li@...ive.com, nylon7717@...il.com
Subject: Re: [PATCH v9 2/3] pwm: sifive: change the PWM algorithm

Hello,

On Fri, Apr 12, 2024 at 10:07:12AM +0800, Nylon Chen wrote:
> Nylon Chen <nylon.chen@...ive.com> 於 2024年4月2日 週二 上午10:08寫道：
> > Uwe Kleine-König <u.kleine-koenig@...gutronix.de> 於 2024年3月19日 週二 上午2:16寫道：
> > > On Thu, Feb 22, 2024 at 04:12:30PM +0800, Nylon Chen wrote:
> > > >       /* The hardware cannot generate a 100% duty cycle */
> Do you mean that if the inference is correct, this comment should be modified?

If the polarity was wrong before and the hardware was believed to not be
able to generate a 100% relative duty cycle, then maybe it's really a 0%
relative duty cycle that's impossible?

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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