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Message-ID: <53740C42.3000906@zytor.com>
Date: Wed, 14 May 2014 17:37:22 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: George Spelvin <linux@...izon.com>, pavel@....cz
CC: arik@...ery.com, david.gnedt@...izone.at, eliad@...ery.com,
jan.nikitenko@...il.com, laurent.pinchart+renesas@...asonboard.com,
linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
linux-spi@...r.kernel.org, linux-wireless@...r.kernel.org,
linville@...driver.com, luca@...lho.fi, tony@...mide.com
Subject: Re: [PATCH v2 1/3] lib/crc7: Shift crc7() output left 1 bit
On 05/11/2014 03:02 AM, George Spelvin wrote:
> From 770aa22e6c9c92027e3e21797192ccabb3e7c70e Mon Sep 17 00:00:00 2001
> From: George Spelvin <linux@...izon.com>
> Date: Sat, 10 May 2014 10:32:57 -0400
> Subject: [PATCH v2 1/3] lib/crc7: Shift crc7() output left 1 bit
>
> This eliminates a 1-bit left shift in every single caller,
> and makes the inner loop of the CRC computation more efficient.
>
> Renamed crc7 to crc7_be (big-endian) since the interface changed.
>
> Also purged #include <linux/crc7.h> from files that don't use it at all.
>
> Signed-off-by: George Spelvin <linux@...izon.com>
If the whole point of this is to use it for MMC/SD cards, why not just
also subsume the OR 1 and call it crc7_mmc() or something like that.
(Which I'm all for doing... I don't know of any other crc7 users.)
-hpa
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