From: Grant Grundler <grundler@puffin.external.hp.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] request_region()
Date: Tue, 03 Apr 2001 18:25:54 -0600 [thread overview]
Message-ID: <200104040025.SAA18848@puffin.external.hp.com> (raw)
In-Reply-To: Your message of "Tue, 03 Apr 2001 17:41:56 BST." <20010403174156.U11435@parcelfarce.linux.theplanet.co.uk>
Matthew Wilcox wrote:
> i think sim700.c should be using ioremap / readX / writeX instead
> of raw_read. Is the EISA scsi really only accessible via port io?
Yes.
> I would have throught that it would be memory mapped, in which case
> there's no need to have a macro to access it.
IO Port space is memory mapped but not in a linear fashion (afaik).
My understanding is the IO port space is mapped 4 bytes per MMIO page.
grant
Grant Grundler
parisc-linux {PCI|IOMMU|SMP} hacker
+1.408.447.7253
next prev parent reply other threads:[~2001-04-04 0:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-02 23:11 [parisc-linux] request_region() Richard Hirst
2001-04-03 3:06 ` Grant Grundler
2001-04-03 9:05 ` Richard Hirst
2001-04-03 16:41 ` Matthew Wilcox
2001-04-04 0:25 ` Grant Grundler [this message]
2001-04-03 23:57 ` Grant Grundler
2001-04-04 0:10 ` Alan Cox
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200104040025.SAA18848@puffin.external.hp.com \
--to=grundler@puffin.external.hp.com \
--cc=matthew@wil.cx \
--cc=parisc-linux@lists.parisc-linux.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox