From: Timur Tabi <timur@freescale.com>
To: Olof Johansson <olof@lixom.net>
Cc: linuxppc-dev@ozlabs.org, sl@powerlinux.fr,
Philippe Lachenal <philippe.lachenal@hotmail.fr>
Subject: Re: MPC8349ea Random Device Generator driver
Date: Thu, 07 Jun 2007 09:23:35 -0500 [thread overview]
Message-ID: <466814E7.3090101@freescale.com> (raw)
In-Reply-To: <20070606235440.GA28400@lixom.net>
Olof Johansson wrote:
> On Wed, Jun 06, 2007 at 05:32:19PM -0500, Timur Tabi wrote:
>> Olof Johansson wrote:
>>
>>> - you can never assign a __le16 type to any other integer type or any
>>> other bitwise type. You'd get a warnign about incompatible types. Makes
>>> sense, no?
>> Then why do the in_be functions return an unsigned int instead of a __be type? Isn't that
>> effectively removing the endian-ness from the type?
>
> Because they read a big endian register and returns the contents in the
> native byte order for the machine.
In other words, the in_le16() function exists so that we can "assign a __le16 type to any
other integer type or any other bitwise type."
--
Timur Tabi
Linux Kernel Developer @ Freescale
next prev parent reply other threads:[~2007-06-07 14:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-05 15:42 MPC8349ea Random Device Generator driver Philippe Lachenal
2007-06-06 14:15 ` Arnd Bergmann
2007-06-07 11:29 ` MPC8349ea Random Number " Philippe Lachenal
2007-06-07 14:03 ` Arnd Bergmann
2007-06-06 21:57 ` MPC8349ea Random Device " Timur Tabi
2007-06-06 22:09 ` Olof Johansson
2007-06-06 22:07 ` Timur Tabi
2007-06-06 22:11 ` Arnd Bergmann
2007-06-06 22:19 ` Timur Tabi
2007-06-06 22:35 ` Arnd Bergmann
2007-06-06 22:38 ` Timur Tabi
2007-06-06 22:24 ` Olof Johansson
2007-06-06 22:32 ` Timur Tabi
2007-06-06 23:54 ` Olof Johansson
2007-06-07 14:23 ` Timur Tabi [this message]
2007-06-07 15:20 ` Olof Johansson
2007-06-07 15:20 ` Timur Tabi
2007-06-07 15:36 ` Olof Johansson
2007-06-06 22:48 ` Timur Tabi
2007-06-07 0:00 ` Olof Johansson
2007-06-07 2:55 ` Kim Phillips
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