linux-kernel - Re: [RFC V4] lib: crc8: add new library module providing crc8 algorithm

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Date:	Wed, 25 May 2011 18:49:40 +0200
From:	"Arend van Spriel" <arend@...adcom.com>
To:	"Randy Dunlap" <rdunlap@...otime.net>
cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"John W. Linville" <linville@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Dan Carpenter" <error27@...il.com>,
	"George Spelvin" <linux@...izon.com>
Subject: Re: [RFC V4] lib: crc8: add new library module providing crc8
 algorithm

On 05/25/2011 06:43 PM, Randy Dunlap wrote:
>
>> diff --git a/lib/crc8.c b/lib/crc8.c
>> new file mode 100644
>> index 0000000..0ce4238
>> --- /dev/null
>> +++ b/lib/crc8.c
>> @@ -0,0 +1,84 @@
>> +/*
>> + * Copyright (c) 2011 Broadcom Corporation
>> + *
>> + * Permission to use, copy, modify, and/or distribute this software for any
>> + * purpose with or without fee is hereby granted, provided that the above
>> + * copyright notice and this permission notice appear in all copies.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
>> + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
>> + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
>> + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
>> + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
>> + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
>> + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
>> + */
> insert blank line here, please.

Will do that.

>> +#define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
>> +#include<linux/module.h>
>> +#include<linux/crc8.h>
>> +#include<linux/printk.h>
>> +
>> +/*
>> + * crc8_populate_msb - fill crc table for given polynomial in reverse bit order.
>> + *
>> + * table:	table to be filled.
>> + * polynomial:	polynomial for which table is to be filled.
>> + */
> Please convert all of these function comments to kernel-doc, like the header file has.

Can be done easily, but what would be the added value to describe a 
function twice. I am not fully aware of the usage of kernel-doc, but if 
it were run over the full kernel tree I would expect the same function 
to popup twice if I the kernel-doc markup  to the source file as well.

Gr. AvS

-- 
Almost nobody dances sober, unless they happen to be insane.
-- H.P. Lovecraft --


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