On Wed, Oct 12, 2011 at 11:07:09AM -0500, Kumar Gala wrote: > > On Oct 12, 2011, at 10:32 AM, Hans J. Koch wrote: > > > On Wed, Oct 12, 2011 at 09:35:45AM -0500, Kumar Gala wrote: > >> From: Kai Jiang <kai.ji...@freescale.com> > >> > >> To support >32-bit physical addresses for UIO_MEM_PHYS type we need to > >> extend the width of 'addr' in struct uio_mem. Numerous platforms like > >> embedded PPC, ARM, and X86 have support for systems with larger physical > >> address than logical. > >> > >> Since 'addr' may contain a physical, logical, or virtual address the > >> easiest solution is to just change the type to 'unsigned long long' > >> regardless of which type is utilized. > > > > No. There's phys_addr_t for that purpose, defined in include/linux/types.h. > > Please use that. > > Do we believe phys_addr_t is always greater than or equal to size need for > logical & virtual addresses?
Yes. Hans _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
