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From: Alex Shi <alex.shi@linux.alibaba.com>
To: Florian Fainelli <f.fainelli@gmail.com>, Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net/dsa: remove unused macros to tame gcc warning
Date: Sat, 7 Nov 2020 20:54:53 +0800	[thread overview]
Message-ID: <b3274bdb-5680-0c24-9800-8c025bfa119a@linux.alibaba.com> (raw)
In-Reply-To: <24690741-cc10-eec1-33c6-7960c8b7fac6@gmail.com>



在 2020/11/7 上午12:39, Florian Fainelli 写道:
>> Hi Alex
>>
>> It is good to remember that there are multiple readers of source
>> files. There is the compiler which generates code from it, and there
>> is the human trying to understand what is going on, what the hardware
>> can do, how we could maybe extend the code in the future to make use
>> of bits are currently don't, etc.
>>
>> The compiler has no use of these macros, at the moment. But i as a
>> human do. It is valuable documentation, given that there is no open
>> datasheet for this hardware.
>>
>> I would say these warnings are bogus, and the code should be left
>> alone.
> Agreed, these definitions are intended to document what the hardware
> does. These warnings are getting too far.
> -- 

Thanks for all comments! I agree these info are much meaningful.
Is there other way to tame the gcc warning? like put them into a .h file
or covered by comments?

Thanks
Alex

  reply	other threads:[~2020-11-07 12:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-06  5:37 Alex Shi
2020-11-06  6:36 ` Joe Perches
2020-11-06  8:28   ` Alex Shi
2020-11-06  8:52     ` Joe Perches
2020-11-06  8:57       ` Alex Shi
2020-11-06  9:24   ` David Laight
2020-11-06 14:18 ` Andrew Lunn
2020-11-06 16:39   ` Florian Fainelli
2020-11-07 12:54     ` Alex Shi [this message]
2020-11-07 17:39       ` Joe Perches
2020-11-07 22:33         ` Andrew Lunn
2020-11-08 12:39           ` David Laight

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