Matt Porter wrote: > On Tue, May 10, 2005 at 08:13:48AM -0400, Dan Malek wrote: > >>On May 10, 2005, at 7:17 AM, Pantelis Antoniou wrote: >> >> >>>This patch replace iopa use with virt_to_phys. >> >>Not gonna work ..... >> >>When you map uncached on 8xx you get a new vmalloc() >>space. The virt_to_xxx macros don't work on those addresses. >>You need to use the dma_consistent() function, stash the >>real physical address it returns and then use it where >>appropriate. > > > That and the use of virt_to_* and friends is deprecated by > the DMA API. You'll never get that upstream even if it were > a case where it did work. That's a good thing to know for > anybody doing other drivers... > > -Matt > >
OK then. What's the recommended function to call to go from a virtual -> physical address, but without doing a cache flush/invalidate? Regards Pantelis
