Module Name: src
Committed By: skrll
Date: Sun Apr 6 09:53:59 UTC 2014
Modified Files:
src/sys/arch/arm/arm32: bus_dma.c
Log Message:
Remove a comment that became largely redundant with the PMAP_NOCACHE
change.
To generate a diff of this commit:
cvs rdiff -u -r1.84 -r1.85 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:1.84 src/sys/arch/arm/arm32/bus_dma.c:1.85
--- src/sys/arch/arm/arm32/bus_dma.c:1.84 Wed Apr 2 12:28:54 2014
+++ src/sys/arch/arm/arm32/bus_dma.c Sun Apr 6 09:53:59 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: bus_dma.c,v 1.84 2014/04/02 12:28:54 matt Exp $ */
+/* $NetBSD: bus_dma.c,v 1.85 2014/04/06 09:53:59 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 1.84 2014/04/02 12:28:54 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.85 2014/04/06 09:53:59 skrll Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -1362,15 +1362,6 @@ _bus_dmamem_map(bus_dma_tag_t t, bus_dma
pmap_kenter_pa(va, pa, VM_PROT_READ | VM_PROT_WRITE,
PMAP_WIRED | (uncached ? PMAP_NOCACHE : 0));
-
- /*
- * If the memory must remain coherent with the
- * cache then we must make the memory uncacheable
- * in order to maintain virtual cache coherency.
- * We must also guarantee the cache does not already
- * contain the virtal addresses we are making
- * uncacheable.
- */
}
}
pmap_update(pmap_kernel());
