From: Paul Mackerras <paulus@cs.anu.edu.au>
To: thedrick@netspace.org
Cc: linuxppc-dev@lists.linuxppc.org
Subject: Re: Powerbase IDE: DMA & ohare-ata
Date: Sun, 17 Jan 1999 17:47:18 +1100 [thread overview]
Message-ID: <199901170647.RAA02619@tango.anu.edu.au> (raw)
In-Reply-To: <Pine.LNX.4.05.9901150212250.26871-100000@netspace.org> (message from Ty Hedrick on Fri, 15 Jan 1999 02:27:54 -0500 (EST))
Ty Hedrick <thedrick@netspace.org> wrote:
> It seems that even though the Powerbase is perfectly capable of DMA, the
> test in ide-pmac.c to setup DMA
>
> #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> if (np->n_addrs >= 2 && np->n_intrs >= 2) {
>
> fails because n_intrs is 0. Risking my mostly worthless IDE drive I
Could you get a copy of lsprop (ftp://samba.anu.edu.au/pub/linux-pmac/misc)
and do `lsprop /proc/device-tree/bandit/ohare/ide' (or whatever the
node for your IDE controller is called) and send it to me?
In fact we don't use the DMA interrupt, so the test for np->n_intrs
could be removed.
Paul.
[[ This message was sent via the linuxppc-dev mailing list. Replies are ]]
[[ not forced back to the list, so be sure to Cc linuxppc-dev if your ]]
[[ reply is of general interest. To unsubscribe from linuxppc-dev, send ]]
[[ the message 'unsubscribe' to linuxppc-dev-request@lists.linuxppc.org ]]
prev parent reply other threads:[~1999-01-17 6:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-15 7:27 Powerbase IDE: DMA & ohare-ata Ty Hedrick
1999-01-15 13:02 ` Benjamin Herrenschmidt
1999-01-17 6:47 ` Paul Mackerras [this message]
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=199901170647.RAA02619@tango.anu.edu.au \
--to=paulus@cs.anu.edu.au \
--cc=Paul.Mackerras@cs.anu.edu.au \
--cc=linuxppc-dev@lists.linuxppc.org \
--cc=thedrick@netspace.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;
as well as URLs for NNTP newsgroup(s).