linux-kernel - Re: [PATCH v3] staging: greybus: introduce pwm

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Date:   Fri, 25 Feb 2022 11:32:31 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Song Chen <chensong_2000@....cn>
Cc:     johan@...nel.org, elder@...nel.org, thierry.reding@...il.com,
        u.kleine-koenig@...gutronix.de, lee.jones@...aro.org,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org,
        elder@...e.org
Subject: Re: [PATCH v3] staging: greybus: introduce pwm_ops::apply

On Fri, Feb 25, 2022 at 05:16:01PM +0800, Song Chen wrote:
> Introduce apply in pwm_ops to replace legacy operations,
> like enable, disable, config and set_polarity.

Why?  You are saying what you are doing here, but nothing about why this
is needed, or what it will help with, or what it will fix.

You need to explain why a change is needed.

thanks,

greg k-h