From: Christoph Hellwig <hch@infradead.org>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: ralf@linux-mips.org, wgowcher@yahoo.com, linux-mips@linux-mips.org
Subject: Re: pci_alloc_consistent usage
Date: Tue, 27 May 2003 11:53:22 +0100 [thread overview]
Message-ID: <20030527115322.A7124@infradead.org> (raw)
In-Reply-To: <20030527.190749.39150100.nemoto@toshiba-tops.co.jp>; from anemo@mba.ocn.ne.jp on Tue, May 27, 2003 at 07:07:49PM +0900
On Tue, May 27, 2003 at 07:07:49PM +0900, Atsushi Nemoto wrote:
> >>>>> On Tue, 27 May 2003 11:17:40 +0200, Ralf Baechle <ralf@linux-mips.org> said:
> ralf> Use the value returned by pci_alloc_consistent in *dma_handle
> ralf> instead of trying to do any conversions with of
> ralf> pci_alloc_consistent's return value.
>
> How about virt_to_page()?
>
> Currently, many sound drivers (including ALSA) pass a
> pci_alloc_consistent's return value to virt_to_page.
You are not allow to do so. Any driver doing this is broken.
next prev parent reply other threads:[~2003-05-27 10:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-23 21:59 pci_alloc_consistent usage Wayne Gowcher
2003-05-27 9:17 ` Ralf Baechle
2003-05-27 10:07 ` Atsushi Nemoto
2003-05-27 10:53 ` Christoph Hellwig [this message]
2003-05-27 11:22 ` Ralf Baechle
2003-05-27 11:33 ` Christoph Hellwig
2003-05-27 11:45 ` Ralf Baechle
2003-05-28 1:30 ` Atsushi Nemoto
-- strict thread matches above, loose matches on Subject: below --
2004-07-13 13:01 pci_alloc_consistent() usage Vadivelan Mani
2004-07-13 19:29 ` Ralf Baechle
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