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From: Yoshinori Sato <ysato@users.sourceforge.jp>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH v3 01/15] h8300: Assembly headers.
Date: Tue, 17 Feb 2015 16:39:42 +0900	[thread overview]
Message-ID: <87sie5kmv5.wl-ysato@users.sourceforge.jp> (raw)
In-Reply-To: <CAMuHMdVyquFQJAiSqyP7iuP+7gxfNOgGv6OjT3b4B2d6TJfJPw@mail.gmail.com>

At Sun, 15 Feb 2015 10:11:58 +0100,
Geert Uytterhoeven wrote:
> 
> Hi Sato-san,
> 
> On Sun, Feb 15, 2015 at 8:49 AM, Yoshinori Sato
> <ysato@users.sourceforge.jp> wrote:
> > --- /dev/null
> > +++ b/arch/h8300/include/asm/io.h
> > @@ -0,0 +1,372 @@
> > +#ifndef _H8300_IO_H
> > +#define _H8300_IO_H
> > +
> > +#ifdef __KERNEL__
> > +
> > +#include <linux/types.h>
> > +
> > +/*
> > + * These are for ISA/PCI shared memory _only_ and should never be used
> > + * on any other type of memory, including Zorro memory. They are meant to
> > + * access the bus in the bus byte order which is little-endian!.
> > + *
> > + * readX/writeX() are used to access memory mapped devices. On some
> > + * architectures the memory mapped IO stuff needs to be accessed
> > + * differently. On the m68k architecture, we just read/write the
> > + * memory location directly.
> > + */
> > +/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
> > + * two accesses to memory, which may be undesirable for some devices.
> > + */
> 
> While some of the above applies to h8300, I think you should remove
> the parts that don't apply.

It's necessary by several drivers, so it has been left.
An unnecessary part is also included, so I have to remove the part.

> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

-- 
Yoshinori Sato
<ysato@users.sourceforge.jp>

  reply	other threads:[~2015-02-17  7:39 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-15  7:49 [PATCH v3 00/15] Revert h8300 archtecture Yoshinori Sato
2015-02-15  7:49 ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 01/15] h8300: Assembly headers Yoshinori Sato
2015-02-15  9:11   ` Geert Uytterhoeven
2015-02-17  7:39     ` Yoshinori Sato [this message]
2015-02-15  7:49 ` [PATCH v3 02/15] h8300: UAPI headers Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 03/15] h8300: Exception and Interrupt handling Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 04/15] h8300: kernel booting Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 05/15] h8300: Process and signal Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  8:11   ` Yoshinori Sato
2015-02-15 10:33     ` Paul Bolle
2015-02-15 10:33       ` Paul Bolle
2015-02-17  7:07       ` Yoshinori Sato
2015-02-17  7:07         ` Yoshinori Sato
2015-02-15 19:38   ` Richard Weinberger
2015-02-17  7:09     ` Yoshinori Sato
2015-02-17  7:09       ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 06/15] h8300 CPU depend helpers Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 07/15] h8300: miscellaneous functions Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 08/15] h8300: Memory management Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 09/15] h8300: library functions Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 10/15] h8300: Build scripts Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15 19:23   ` Paul Bolle
2015-02-17  7:39     ` Yoshinori Sato
2015-02-17  9:46       ` Paul Bolle
2015-02-17  9:46         ` Paul Bolle
2015-02-18  8:08         ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 11/15] h8300: clock driver Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 12/15] h8300: clocksource Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 13/15] h8300: configs Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 14/15] serial: Add h8300 Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15  7:49 ` [PATCH v3 15/15] Add ELF machine Yoshinori Sato
2015-02-15  7:49   ` Yoshinori Sato
2015-02-15 10:59 ` [PATCH v3 00/15] Revert h8300 archtecture Paul Bolle
2015-02-17  7:39   ` Yoshinori Sato
2015-02-17  7:39     ` Yoshinori Sato

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