Module Name: src Committed By: skrll Date: Sat Nov 5 14:26:23 UTC 2016
Modified Files: src/sys/arch/arm/arm32: bus_dma.c Log Message: Also return early from _bus_dmamap_sync if we're not bouncing and there are no {pre,post} ops Now the KASSERT doesn't fire on cats To generate a diff of this commit: cvs rdiff -u -r1.95 -r1.96 src/sys/arch/arm/arm32/bus_dma.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/arm/arm32/bus_dma.c diff -u src/sys/arch/arm/arm32/bus_dma.c:1.95 src/sys/arch/arm/arm32/bus_dma.c:1.96 --- src/sys/arch/arm/arm32/bus_dma.c:1.95 Sat Jun 18 16:51:44 2016 +++ src/sys/arch/arm/arm32/bus_dma.c Sat Nov 5 14:26:23 2016 @@ -1,4 +1,4 @@ -/* $NetBSD: bus_dma.c,v 1.95 2016/06/18 16:51:44 skrll Exp $ */ +/* $NetBSD: bus_dma.c,v 1.96 2016/11/05 14:26:23 skrll Exp $ */ /*- * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. @@ -35,7 +35,7 @@ #include "opt_arm_bus_space.h" #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.95 2016/06/18 16:51:44 skrll Exp $"); +__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.96 2016/11/05 14:26:23 skrll Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -1086,9 +1086,13 @@ _bus_dmamap_sync(bus_dma_tag_t t, bus_dm #else const int post_ops = 0; #endif - if (!bouncing && pre_ops == 0 && post_ops == BUS_DMASYNC_POSTWRITE) { - STAT_INCR(sync_postwrite); - return; + if (!bouncing) { + if (pre_ops == 0 && post_ops == BUS_DMASYNC_POSTWRITE) { + STAT_INCR(sync_postwrite); + return; + } else if (pre_ops == 0 && post_ops == 0) { + return; + } } KASSERTMSG(bouncing || pre_ops != 0 || (post_ops & BUS_DMASYNC_POSTREAD), "pre_ops %#x post_ops %#x", pre_ops, post_ops);