On Sat, 5 Dec 2009, Pete Zaitcev wrote: > My distro kernel (Fedora Rawhide) started throwing warnings from DMA API > checker, so I have no choice but band-aid it quick. There's no attempt > to reuse DMA buffers. Control messages are only sent rarely anyway. > + buf[0] = divisor; > + buf[1] = divisor >> 8; > + buf[2] = divisor >> 16; > + buf[3] = divisor >> 24; For new code you really should use put_unaligned_le32(). It is optimized to perform better than this code on architectures that can do unaligned accesses in hardware. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
