linux-kernel - RE: [PATCH] ep93xx_eth.c: general cleanup

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Message-ID: <BD79186B4FD85F4B8E60E381CAEE19090200ECF5@mi8nycmail19.Mi8.com>
Date:	Wed, 16 Dec 2009 12:44:05 -0500
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	"Joe Perches" <joe@...ches.com>
Cc:	"kernel list" <linux-kernel@...r.kernel.org>,
	<netdev@...r.kernel.org>,
	"Lennert Buytenhek" <kernel@...tstofly.org>,
	"David Miller" <davem@...emloft.net>
Subject: RE: [PATCH] ep93xx_eth.c: general cleanup

On Wednesday, December 16, 2009 10:32 AM, Joe Perches wrote:

Added netdev to the Cc: list, and removed Nick M. (unintended)

> On Wed, 2009-12-16 at 12:09 -0500, H Hartley Sweeten wrote:
>> +#define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
>
> I think KBUILD_MODNAME ":%s: " fmt, __func__
> or its equivalent direct use is more common.
> It's possibly useful to standardize.

I wasn't sure about that and could not find anything "standard" in mainline.
The biggest user of pr_fmt that I could find is in drivers/s390 and that
uses a local KMSG_COMPONENT define instead of KBUILD_MODNAME.

>> -#define DRV_MODULE_NAME		"ep93xx-eth"
>> -#define DRV_MODULE_VERSION	"0.1"
>> +#include <mach/hardware.h>
>
> I think these sorts of defines are common and useful.

I can add those back if needed.  Just seemed a waste to have the two defines
and only use them in one place.

>>  static int __init ep93xx_eth_init_module(void)
>>  {
>> -	printk(KERN_INFO DRV_MODULE_NAME " version " DRV_MODULE_VERSION " loading\n");
>
> Why remove this printk completely?

In my dmesg is just looks like noise.

ep93xx-eth version 0.1 loading
eth0: ep93xx on-chip ethernet, IRQ 39, 00:21:f5:00:00:17

If the drive loads correctly you will get the second line.  If it error's for
some reason you will get one of the dev_err messages.

But, if the defines go back in I can also add this message back.

Regards,
Hartley