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Date:   Fri, 5 Feb 2021 10:53:23 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Yicong Yang <yangyicong@hisilicon.com>
Cc:     jdelvare@suse.com, linux@roeck-us.net, giometti@enneenne.com,
        abbotti@mev.co.uk, hsweeten@visionengravers.com, kw@linux.com,
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        linuxarm@openeuler.org, prime.zeng@huawei.com
Subject: Re: [PATCH 1/4] driver core: Use subdir-ccflags-* to inherit debug
 flag
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 <1612518255-23052-2-git-send-email-yangyicong@hisilicon.com>
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On Fri, Feb 05, 2021 at 05:44:12PM +0800, Yicong Yang wrote:
> From: Junhao He <hejunhao2@hisilicon.com>
> 
> Use subdir-ccflags-* instead of ccflags-* to inherit the debug
> settings from Kconfig when traversing subdirectories.

That says what you do, but not _why_ you are doing it.

What does this offer in benefit of the existing way?  What is it fixing?
Why do this "churn"?

thanks,

greg k-h