linux-kernel - Re: [PATCH 2/4] mfd: intel-lpss: Utilize i2c-designware.h

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Message-ID: <1d1467d1-b57b-4cc6-a995-4068d6741a73@broadcom.com>
Date: Tue, 23 Apr 2024 20:20:01 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: linux-kernel@...r.kernel.org,
 Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Mika Westerberg <mika.westerberg@...ux.intel.com>,
 Jan Dabros <jsd@...ihalf.com>, Andi Shyti <andi.shyti@...nel.org>,
 Lee Jones <lee@...nel.org>, Jiawen Wu <jiawenwu@...stnetic.com>,
 Mengyuan Lou <mengyuanlou@...-swift.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
 Andrew Lunn <andrew@...n.ch>, Duanqiang Wen <duanqiangwen@...-swift.com>,
 "open list:SYNOPSYS DESIGNWARE I2C DRIVER" <linux-i2c@...r.kernel.org>,
 "open list:WANGXUN ETHERNET DRIVER" <netdev@...r.kernel.org>
Subject: Re: [PATCH 2/4] mfd: intel-lpss: Utilize i2c-designware.h

On 4/23/2024 5:00 PM, Andy Shevchenko wrote:
> Tue, Apr 23, 2024 at 04:36:20PM -0700, Florian Fainelli kirjoitti:
>> Rather than open code the i2c_designware string, utilize the newly
>> defined constant in i2c-designware.h.
> 
> ...
> 
>>   static const struct mfd_cell intel_lpss_i2c_cell = {
>> -	.name = "i2c_designware",
>> +	.name = I2C_DESIGNWARE_NAME,
>>   	.num_resources = ARRAY_SIZE(intel_lpss_dev_resources),
>>   	.resources = intel_lpss_dev_resources,
>>   };
> 
> We have tons of drivers that are using explicit naming, why is this case
> special?
> 

It is not special, just one of the 3 cases outside of drivers/i2c/busses 
that reference a driver living under drivers/i2c/busses, as I replied in 
the cover letter, this is a contract between the various device drivers 
and their users, so we should have a central place where it is defined, 
not repeated.
-- 
Florian

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