From: Vinod Koul <vinod.koul@intel.com>
Date: Mon, 20 Oct 2014 15:24:30 +0000 (+0530)
Subject: ASoC: intel: use __iowrite32_copy for 32 bit copy
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=b3baaa47cc49fab3ecffbbaee660ce003d17d1f7;p=deliverable%2Flinux.git

ASoC: intel: use __iowrite32_copy for 32 bit copy

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@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/intel/sst/sst_loader.c b/sound/soc/intel/sst/sst_loader.c
index b6d27c14455a..00f60c1e9fda 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);
 }
 
 /**