linux-kernel - Re: [PATCH 1/4] i2c: designware: Create shared header hosting driver name

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Date: Wed, 24 Apr 2024 02:59:04 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Florian Fainelli <florian.fainelli@...adcom.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 1/4] i2c: designware: Create shared header hosting driver
 name

Tue, Apr 23, 2024 at 04:36:19PM -0700, Florian Fainelli kirjoitti:
> We have a number of drivers that reference the string "i2c_designware"
> yet this is copied all over the places with opportunities for this
> string being mis-used. Create a shared header that defines this as a
> constant that other drivers can reference.

..

>  #include <linux/i2c.h>
> +#include <linux/i2c-designware.h>

Can it be hidden in the subfolder?

..

> -#define DRIVER_NAME "i2c-designware-pci"
> +#define DRIVER_NAME I2C_DESIGNWARE_NAME "-pci"

Oh, this makes all the things hard to read.

>  /* Work with hotplug and coldplug */
> -MODULE_ALIAS("i2c_designware-pci");
> +MODULE_ALIAS(DRIVER_NAME);

I believe we shouldn't use MODULE_ALIAS() without real justification.

..

> --- a/drivers/i2c/busses/i2c-designware-platdrv.c
> +++ b/drivers/i2c/busses/i2c-designware-platdrv.c

All as per above.

-- 
With Best Regards,
Andy Shevchenko