From: Ralf Baechle <ralf@linux-mips.org>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Yoichi Yuasa <yuasa@linux-mips.org>,
linux-mips@linux-mips.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: Reverting old hack
Date: Wed, 24 Feb 2010 18:41:27 +0100 [thread overview]
Message-ID: <20100224174127.GA29565@linux-mips.org> (raw)
In-Reply-To: <201002240959.56706.bjorn.helgaas@hp.com>
On Wed, Feb 24, 2010 at 09:59:56AM -0700, Bjorn Helgaas wrote:
> > There is another somewhat theoretical correctness issue. Because the
> > VIA SuperIO chip only decodes 24 bits of address space but port address
> > space currently being configured as 32MB there is the theoretical
> > possibility of I/O port addresses that alias with legacy addresses getting
> > allocated.
>
> Does this mean my comment:
>
> + * but the VT82C586 IDE controller does respond at 0x100001f0 because
> + * it only decodes the low 16 bits of the address.
>
> should say "24 bits" instead of "16 bits"?
Yes, afair.
Ralf
next prev parent reply other threads:[~2010-02-24 17:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-20 11:31 Reverting old hack Ralf Baechle
2010-02-20 12:18 ` Yoichi Yuasa
2010-02-20 14:57 ` Bjorn Helgaas
2010-02-21 7:45 ` Yoichi Yuasa
2010-02-22 20:55 ` Bjorn Helgaas
2010-02-22 23:51 ` Yoichi Yuasa
2010-02-23 0:15 ` Bjorn Helgaas
2010-02-23 0:50 ` Yoichi Yuasa
2010-02-21 2:57 ` Bjorn Helgaas
2010-02-22 0:09 ` Bjorn Helgaas
2010-02-22 5:07 ` Bjorn Helgaas
2010-02-22 6:39 ` Yoichi Yuasa
2010-02-22 13:28 ` Ralf Baechle
2010-02-23 23:01 ` Bjorn Helgaas
2010-02-24 0:03 ` Yoichi Yuasa
2010-02-24 16:41 ` Ralf Baechle
2010-02-24 16:59 ` Bjorn Helgaas
2010-02-24 17:41 ` Ralf Baechle [this message]
2010-02-24 20:53 ` Benjamin Herrenschmidt
2010-02-25 8:39 ` Yoichi Yuasa
2010-02-25 14:29 ` Ralf Baechle
2010-02-24 16:13 ` Ralf Baechle
2010-02-24 16:23 ` Bjorn Helgaas
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