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Subject: Re: Complete support PC-9800 for 2.5.64-ac4 (11/11) SCSI
From: James Bottomley <James.Bottomley@steeleye.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Osamu Tomita <tomita@cinet.co.jp>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Christoph Hellwig <hch@infradead.org>
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On Sun, 2003-03-16 at 12:36, Geert Uytterhoeven wrote:
> Actually, it was my suggestion to remove the dereference for PIO accesses. In
> that case SASR contains the I/O port register.

There's still something wrong with the implementation in this patch. 
For non PIO SASR is defined as volatile unsigned char *SASR.  Its access
has gone from being outb(n, *regs.SASR) to outb(n, regs.SASR).  What
expansion can outb have on m68k and MIPS that makes this change
idempotent?

James


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