consistent_alloc() on PPC
mporter at kernel.crashing.org
Thu Jan 20 01:56:03 EST 2005
On Wed, Jan 19, 2005 at 03:10:48PM +0100, Christoph Hellwig wrote:
> On Wed, Jan 19, 2005 at 05:23:17PM +0530, Sachin P wrote:
> > Hi ,
> > I am facing some problems porting my drivers to the PPC platform . Am
> > currently using consistent_alloc() and consistent_free() to
> > allocate/free (non-cached) DMA ble memory.
> > Is there any function/patch/macro, equivalent to
> > phy_to_virt()/virt_to_phy() for memory returned by consistent_alloc()?
> Don't ever use concistant_alloc directly. Always use
> dma_alloc_coherent() which will give you both virtual and bus address.
He's obviously not talking about 2.6 since he's mentioning
consistent_alloc(). I removed those PPC-specific APIs when I
updated our DMA API implementation in 2.6.
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