From: Pavel Roskin <proski@gnu.org>
To: Christian Lamparter <chunkeey@web.de>
Cc: Tomas Winkler <tomasw@gmail.com>,
linux-wireless@vger.kernel.org,
John W Linville <linville@tuxdriver.com>,
Larry Finger <Larry.Finger@lwfinger.net>
Subject: Re: [PATCH] p54usb: support LM87 firmwares
Date: Wed, 03 Sep 2008 21:44:22 -0400 [thread overview]
Message-ID: <1220492662.7700.21.camel@dv> (raw)
In-Reply-To: <200809030200.50745.chunkeey@web.de>
On Wed, 2008-09-03 at 02:00 +0200, Christian Lamparter wrote:
> whats the main difference between be32_to_cpu vs be32_to_cpus vs be32_to_cpup?
> Does the extra p just stand for something like "pointer"?
Yes. See include/linux/byteorder/generic.h
>
> hmm,
> if yes, >>*<<(__be32 *)bootrec->data.
> if no, please tell me more about it ;-).
The pointer versions take the pointer. They do the cast and the
dereference for you. The cast in your code should be unnecessary.
The in-situ version don't return anything; they put the result into the
original variable.
--
Regards,
Pavel Roskin
next prev parent reply other threads:[~2008-09-04 1:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-02 19:39 [PATCH] p54usb: support LM87 firmwares Christian Lamparter
2008-09-02 23:14 ` Tomas Winkler
2008-09-03 0:00 ` Christian Lamparter
2008-09-04 1:44 ` Pavel Roskin [this message]
2008-09-04 10:29 ` [PATCH v2] " Christian Lamparter
2008-09-06 22:57 ` Larry Finger
2008-09-06 23:19 ` Chr
2008-09-06 23:33 ` Larry Finger
2008-09-07 0:25 ` Chr
2008-09-07 0:32 ` Larry Finger
2008-09-07 0:56 ` Christian Lamparter
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