From: Scott Wood <scottwood@freescale.com>
To: Jeff Brower <jbrower@signalogic.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: driver replacements for kmalloc and __pa()
Date: Tue, 09 Sep 2008 17:24:42 -0500 [thread overview]
Message-ID: <48C6F7AA.2000608@freescale.com> (raw)
In-Reply-To: <48C6F217.406CFDC0@signalogic.com>
Jeff Brower wrote:
> What are the up-to-date APIs we should be using for DMA memory allocation and
> virtual-to-physical address translation? We have another driver for another device
> that's working fine on this board and it uses pci_alloc_consistent(). What about
> bus_space_vaddr()? I'm hoping to get a recommendation for what's currently
> appropriate and most future-proof for drivers that depend on external PCI DMA.
Documentation/DMA-API.txt.
-Scott
next prev parent reply other threads:[~2008-09-09 22:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-09 22:00 driver replacements for kmalloc and __pa() Jeff Brower
2008-09-09 22:24 ` Scott Wood [this message]
2008-09-11 0:44 ` Jeff Brower
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