Author: ian
Date: Sat Nov 15 02:58:17 2014
New Revision: 274536
URL: https://svnweb.freebsd.org/changeset/base/274536
Log:
Use the standard powerof2() macro from param.h instead of a local one.
Pointed out by: jhb@
Modified:
head/sys/arm/arm/busdma_machdep-v6.c
Modified: head/sys/arm/arm/busdma_machdep-v6.c
==============================================================================
--- head/sys/arm/arm/busdma_machdep-v6.c Sat Nov 15 01:18:49 2014
(r274535)
+++ head/sys/arm/arm/busdma_machdep-v6.c Sat Nov 15 02:58:17 2014
(r274536)
@@ -64,8 +64,6 @@ __FBSDID("$FreeBSD$");
#include <machine/cpufunc.h>
#include <machine/md_var.h>
-#define IS_POWER_OF_2(val) (((val) & ((val) - 1)) == 0)
-
#define MAX_BPAGES 64
#define MAX_DMA_SEGMENTS 4096
#define BUS_DMA_EXCL_BOUNCE BUS_DMA_BUS2
@@ -469,11 +467,11 @@ bus_dma_tag_create(bus_dma_tag_t parent,
#endif
/* Basic sanity checking. */
- KASSERT(boundary == 0 || IS_POWER_OF_2(boundary),
+ KASSERT(boundary == 0 || powerof2(boundary),
("dma tag boundary %lu, must be a power of 2", boundary));
KASSERT(boundary == 0 || boundary >= maxsegsz,
("dma tag boundary %lu is < maxsegsz %lu\n", boundary, maxsegsz));
- KASSERT(alignment != 0 && IS_POWER_OF_2(alignment),
+ KASSERT(alignment != 0 && powerof2(alignment),
("dma tag alignment %lu, must be non-zero power of 2", alignment));
KASSERT(maxsegsz != 0, ("dma tag maxsegsz must not be zero"));
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