On Tuesday 07 July 2009 03:51:00 Kári Davíðsson wrote: > I am doing a driver that uses dma_map_single(). > > After changing to to linux 2.6.29.3 I am getting > segfaults in dma_map_single() because dma_ops->map_page is NULL. > Actually dma_ops looks funky too.
When the 32 and 64bit DMA code was merged in .28 , map_/unmap_page() was added in favour of map_/unmap_single() (which was later removed in .29) so you'll have to replace your calls to dma_map_single() with dma_map_page(). Just pass it the page and offset rather than the address. Hope that helps! Mark. > > The driver is an of_platform_driver which is declared as an child of > the lbp (fsl,lpb) node of the device tree. > > This is on powerpc 5200b platform. > > rg > kd _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
