On Mon, 6 Jun 2022 at 10:25, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, Jun 06, 2022 at 10:41:03AM +0200, Arnd Bergmann wrote: > > From: Arnd Bergmann <arnd@xxxxxxxx> > > > > The virt_to_bus/bus_to_virt interface has been deprecated for > > decades. After Jakub Kicinski put a lot of work into cleaning out the > > network drivers using them, there are only a couple of other drivers > > left, which can all be removed or otherwise cleaned up, to remove the > > old interface for good. > > > > Any out of tree drivers using virt_to_bus() should be converted to > > using the dma-mapping interfaces, typically dma_alloc_coherent() > > or dma_map_single()). > > > > There are a few m68k and ppc32 specific drivers that keep using the > > interfaces, but these are all guarded with architecture-specific > > Kconfig dependencies, and are not actually broken. > > > > There are still a number of drivers that are using virt_to_phys() > > and phys_to_virt() in place of dma-mapping operations, and these > > are often broken, but they are out of scope for this series. > > I'll take patches 1 and 2 right now through my staging tree if that's > ok. > Hi, I'd love to say that I could fix this stuff up, however I've lacked access to suitable hardware for a long time now and don't foresee that changing any time soon... Martyn > thanks, > > greg k-h >
