From: James Bottomley <James.Bottomley@SteelEye.com>
To: Russell King <rmk+pcmcia@arm.linux.org.uk>
Cc: linux-pcmcia@lists.infradead.org,
parisc-linux@lists.parisc-linux.org,
Kyle McMartin <kyle@parisc-linux.org>
Subject: Re: [parisc-linux] Re: [PATCH] PCMCIA: Disable probing on parisc
Date: Tue, 06 Dec 2005 08:36:48 -0500 [thread overview]
Message-ID: <1133876209.3267.2.camel@mulgrave> (raw)
In-Reply-To: <20051206093643.GA1706@flint.arm.linux.org.uk>
On Tue, 2005-12-06 at 09:36 +0000, Russell King wrote:
> I don't think you've fully understood what I've been saying.
> When we try to do memory probing, we setup a mapping in the same
> way that we setup a mapping to read the CIS from the card.
Yes, I do. On PARISC, memory I/O ranges are directed. If you program
the CIS to respond outside the directed range of its parent, the I/O
transaction will never get through because the direction is done by the
parent bus (which you aren't programming). This then causes a HPMC
because no entity on the runway bus responds to the memory read.
James
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next prev parent reply other threads:[~2005-12-06 13:36 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-04 6:04 [parisc-linux] [PATCH] PCMCIA: Disable probing on parisc Kyle McMartin
2005-12-04 10:33 ` [parisc-linux] " Russell King
2005-12-04 17:52 ` Kyle McMartin
2005-12-05 21:32 ` James Bottomley
2005-12-05 22:03 ` Russell King
2005-12-06 0:45 ` James Bottomley
2005-12-06 9:36 ` Russell King
2005-12-06 13:36 ` James Bottomley [this message]
2005-12-07 12:21 ` Dominik Brodowski
2005-12-07 14:01 ` James Bottomley
2005-12-11 6:50 ` Grant Grundler
2005-12-11 15:14 ` James Bottomley
2005-12-11 17:50 ` Grant Grundler
2005-12-11 18:01 ` James Bottomley
2005-12-11 18:55 ` Helge Deller
2005-12-11 19:09 ` Matthew Wilcox
2005-12-11 19:49 ` Dominik Brodowski
2005-12-11 20:37 ` James Bottomley
2005-12-11 22:35 ` Helge Deller
2005-12-12 7:30 ` Grant Grundler
2005-12-12 14:45 ` James Bottomley
2005-12-12 21:17 ` Helge Deller
2005-12-13 22:28 ` Grant Grundler
2005-12-11 19:48 ` Dominik Brodowski
2005-12-11 20:23 ` James Bottomley
2005-12-06 8:14 ` Grant Grundler
2005-12-06 9:49 ` Russell King
2005-12-06 16:46 ` Grant Grundler
2005-12-11 7:41 ` Grant Grundler
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