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From: "David S. Miller" <davem@redhat.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: johannes@erdfelt.com (Johannes Erdfelt), linux-kernel@vger.kernel.org
Subject: Re: struct page to 36 (or 64) bit bus address?
Date: Thu, 9 Aug 2001 13:25:17 -0700 (PDT)	[thread overview]
Message-ID: <15218.61869.424038.30544@pizda.ninka.net> (raw)
In-Reply-To: <E15UvLO-0007tH-00@the-village.bc.nu>
In-Reply-To: <20010809151022.C1575@sventech.com> <E15UvLO-0007tH-00@the-village.bc.nu>


Alan Cox writes:
 > > Obviously the more portable way across architectures is using the PCI
 > > DMA API but when will the implementation be fixed so I can use it to
 > > exploit the full potential of this device?
 > 
 > 2.5 I believe, ping the peacefrog and ask <DaveM@redhat.com>

That's the current plan.  There may be a 2.4.x backport, but no
promises.  It all depends upon how straightforward the changes
are.

Note, if you use the "bttv method" (ie. virt_to_bus) your driver will
then fail to compile on several platforms.

Later,
David S. Miller
davem@redhat.com

  parent reply	other threads:[~2001-08-09 20:26 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-09 18:40 struct page to 36 (or 64) bit bus address? Johannes Erdfelt
2001-08-09 19:09 ` Alan Cox
2001-08-09 19:10   ` Johannes Erdfelt
2001-08-09 19:19     ` Alan Cox
2001-08-09 20:25     ` David S. Miller [this message]
2001-08-09 20:35       ` Johannes Erdfelt
2001-08-10  7:00         ` Gerd Knorr
2001-08-10  7:56           ` Johannes Erdfelt
2001-08-10 21:58         ` David S. Miller
2001-08-11  7:09           ` Gerd Knorr
2001-08-12 10:49             ` Write Combining (Write Coalescing) on memory mapped I/O on IA64 Steffen Persvold
2001-08-11 15:32           ` struct page to 36 (or 64) bit bus address? Jens Axboe
2001-08-11 15:56         ` Andrea Arcangeli
2001-08-11 16:13           ` Sandy Harris
2001-08-12  8:00           ` David S. Miller
     [not found] <no.id>
2001-08-12 11:49 ` Alan Cox
2001-08-13 13:51 ` David S. Miller
2001-08-13 14:09 ` Alan Cox
2001-08-13 14:21 ` David S. Miller
2001-08-13 19:07   ` Gérard Roudier
2001-08-13 19:42   ` David S. Miller
2001-08-13 15:10 ` Alan Cox

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