On 2016-09-15 16:32:18 [+0200], To Peter Ujfalusi wrote: > Before having the 48 bytes as burst I had 1 byte. At this point the DMA > engine transferred one byte at a time but something else was not perfect > so I went for 48. after transferring 30 out of 48 bytes (burst 1, size 48) there was nothing: no interrupt nothing. So it waited for another 18 bytes to happen. With burst size = transfer size there is this timeout interrupt that helps. Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
