diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index f412a9911a75..0a08ef5e27c8 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -21,6 +21,7 @@
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
+#include <linux/vmalloc.h>
 #include <linux/workqueue.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -169,11 +170,12 @@ static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
 	if (buf == NULL)
 		return NULL;
 
-	buf->buf = kmemdup(src, len, GFP_KERNEL | GFP_DMA);
+	buf->buf = vmalloc(len);
 	if (!buf->buf) {
-		kfree(buf);
+		vfree(buf);
 		return NULL;
 	}
+	memcpy(buf->buf, src, len);
 
 	if (list)
 		list_add_tail(&buf->list, list);
@@ -188,7 +190,7 @@ static void wm_adsp_buf_free(struct list_head *list)
 							   struct wm_adsp_buf,
 							   list);
 		list_del(&buf->list);
-		kfree(buf->buf);
+		vfree(buf->buf);
 		kfree(buf);
 	}
 }
@@ -684,38 +686,24 @@ static int wm_adsp_load(struct wm_adsp *dsp)
 		}
 
 		if (reg) {
-			size_t to_write = PAGE_SIZE;
-			size_t remain = le32_to_cpu(region->len);
-			const u8 *data = region->data;
+			buf = wm_adsp_buf_alloc(region->data,
+						le32_to_cpu(region->len),
+						&buf_list);
+			if (!buf) {
+				adsp_err(dsp, "Out of memory\n");
+				ret = -ENOMEM;
+				goto out_fw;
+			}
 
-			while (remain > 0) {
-				if (remain < PAGE_SIZE)
-					to_write = remain;
-
-				buf = wm_adsp_buf_alloc(data,
-							to_write,
-							&buf_list);
-				if (!buf) {
-					adsp_err(dsp, "Out of memory\n");
-					ret = -ENOMEM;
-					goto out_fw;
-				}
-
-				ret = regmap_raw_write_async(regmap, reg,
-							     buf->buf,
-							     to_write);
-				if (ret != 0) {
-					adsp_err(dsp,
-						"%s.%d: Failed to write %zd bytes at %d in %s: %d\n",
-						file, regions,
-						to_write, offset,
-						region_name, ret);
-					goto out_fw;
-				}
-
-				data += to_write;
-				reg += to_write / 2;
-				remain -= to_write;
+			ret = regmap_raw_write_async(regmap, reg, buf->buf,
+						     le32_to_cpu(region->len));
+			if (ret != 0) {
+				adsp_err(dsp,
+					"%s.%d: Failed to write %d bytes at %d in %s: %d\n",
+					file, regions,
+					le32_to_cpu(region->len), offset,
+					region_name, ret);
+				goto out_fw;
 			}
 		}