2 messages, 2 authors, 2005-01-19 · open the first message on its own page
From: Sachin P <hidden>
Date: 2005-01-19 11:53:17
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()? Regards sachin
From: Christoph Hellwig <hch@lst.de>
Date: 2005-01-19 14:10:48
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.