[alsa-devel] [PATCH v2 1/5] ASoC: intel: use __iowrite32_copy for 32 bit copy
Vinod Koul
vinod.koul at intel.com
Mon Oct 20 15:43:44 CEST 2014
The driver was using own method to do 32bit copy, turns out we have a kernel
API so use that instead
Tested-by: Subhransu S. Prusty <subhransu.s.prusty at intel.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
sound/soc/intel/sst/sst_loader.c | 12 +++++-------
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/sound/soc/intel/sst/sst_loader.c b/sound/soc/intel/sst/sst_loader.c
index b6d27c1..00f60c1 100644
--- a/sound/soc/intel/sst/sst_loader.c
+++ b/sound/soc/intel/sst/sst_loader.c
@@ -39,14 +39,12 @@
#include "sst.h"
#include "../sst-dsp.h"
-static void memcpy32_toio(void __iomem *dst, const void *src, int count)
+static inline void memcpy32_toio(void __iomem *dst, const void *src, int count)
{
- int i;
- const u32 *src_32 = src;
- u32 *dst_32 = dst;
-
- for (i = 0; i < count/sizeof(u32); i++)
- writel(*src_32++, dst_32++);
+ /* __iowrite32_copy uses 32-bit count values so divide by 4 for
+ * right count in words
+ */
+ __iowrite32_copy(dst, src, count/4);
}
/**
--
1.7.0.4
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