From: David Woodhouse <dwmw2@infradead.org>
To: brendan.simon@bigpond.com
Cc: mtd <mtd@infradead.org>
Subject: Re: MTD: linux-2.4.0-test9 on a PowerPC board.
Date: Thu, 25 Jan 2001 08:54:39 +0000 [thread overview]
Message-ID: <8917.980412879@redhat.com> (raw)
In-Reply-To: <3A6E7687.9070200@bigpond.com>
brendan.simon@bigpond.com said:
> Trying to debug things we have noticed that some of the data returned
> has the bytes swapped. It seems the NUM ERASE UNITS is returning
> 0xFA03 where as it should be returning 0x03FA. It looks like an
> endian problem. Is the DOC code endian neutral ?? Will the endian
> problems be rampant throughout the code or will it be confined to a
> few places ??
We don't actually seem to use NumEraseUnits, although I have absolutely no
recollection _why_ not. But that would explain why we never bother to
byteswap it. The code is intended to be endian-aware, although
I've personally only tested it on LE machines, so I wouldn't swear that
I've caught all cases.
> Has anyone used a DOC on a PowerPC processor or other big endian
> architecture ??
It's been known, but I can't remember whether the person who asked me about
it ever admitted to it in public.
--
dwmw2
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prev parent reply other threads:[~2001-01-25 8:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-24 6:30 MTD: linux-2.4.0-test9 on a PowerPC board Brendan J Simon
2001-01-25 8:54 ` David Woodhouse [this message]
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