From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
linux-ide@vger.kernel.org
Subject: Re: H8/300 target support patch
Date: Tue, 17 Feb 2004 09:09:38 +1100 [thread overview]
Message-ID: <1076969377.1053.62.camel@gaston> (raw)
In-Reply-To: <m265e7dn02.wl%ysato@users.sourceforge.jp>
> >
> > why you don't use outsw() and insw() from include/asm-h8300/io.h?
>
> Because bus turns over, insw/outsw is not usable.
Please explain.
Your IDE bus is flipped backward ? The next one who do that should
lose all rights to do any kind of HW design... Or is it a big endian
platform ? In this case, use normal flipping inw/outw for IOs and
non-flipping for stream IOs (insw/outsw)
Your functions are "streaming" versions, they should be called
with the proper name "insw/outsw". Calling the streaming versions
from the IO ones is wrong.
next prev parent reply other threads:[~2004-02-16 22:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-15 6:05 H8/300 target support patch Yoshinori Sato
2004-02-15 14:40 ` Bartlomiej Zolnierkiewicz
2004-02-16 16:09 ` Yoshinori Sato
2004-02-16 16:40 ` Bartlomiej Zolnierkiewicz
2004-02-16 22:07 ` Benjamin Herrenschmidt
2004-02-16 22:09 ` Benjamin Herrenschmidt [this message]
2004-02-17 11:33 ` Yoshinori Sato
2004-02-17 12:55 ` Benjamin Herrenschmidt
2004-02-19 16:12 ` Yoshinori Sato
2004-02-19 16:34 ` Bartlomiej Zolnierkiewicz
2004-02-20 12:28 ` Yoshinori Sato
2004-02-20 15:25 ` Bartlomiej Zolnierkiewicz
2004-02-20 17:58 ` Yoshinori Sato
2004-02-20 18:42 ` Bartlomiej Zolnierkiewicz
2004-02-22 16:30 ` Yoshinori Sato
2004-02-22 17:08 ` Bartlomiej Zolnierkiewicz
2004-02-22 17:28 ` Bartlomiej Zolnierkiewicz
2004-02-26 16:46 ` Yoshinori Sato
2004-02-26 19:26 ` Bartlomiej Zolnierkiewicz
2004-02-28 17:02 ` Yoshinori Sato
2004-02-28 17:55 ` Bartlomiej Zolnierkiewicz
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