From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Manish Joshi <mjoshi_blr@yahoo.com>
Cc: linuxppc-embedded@ozlabs.org, Ilse Reyneke <reynekejunk@hotmail.com>
Subject: Re: virt_to_bus and DMA
Date: Fri, 22 Dec 2006 08:18:55 +1100 [thread overview]
Message-ID: <1166735935.6673.52.camel@localhost.localdomain> (raw)
In-Reply-To: <20061124171814.56700.qmail@web34715.mail.mud.yahoo.com>
>
>
> Am I also correct in saying the "standard DMA API" (request_dma,
> set_dma_addr etc) is NOT available on the 4xx?
The standard DMA mapping API is: dma_map_* and that's what you should be
using.
At one point, virt_to_bus() will be removed and use of __pa in drivers
is highly discouraged.
Ben.
next prev parent reply other threads:[~2006-12-21 21:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-24 17:18 virt_to_bus and DMA Manish Joshi
2006-12-21 21:18 ` Benjamin Herrenschmidt [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-11-24 15:37 Ilse Reyneke
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