diff --git a/sound/soc/atmel/atmel-pcm-pdc.c b/sound/soc/atmel/atmel-pcm-pdc.c
index 6a293c7..054ea4d 100644
--- a/sound/soc/atmel/atmel-pcm-pdc.c
+++ b/sound/soc/atmel/atmel-pcm-pdc.c
@@ -159,7 +159,7 @@
 
 	pr_debug("atmel-pcm: "
 		"hw_params: DMA for %s initialized "
-		"(dma_bytes=%u, period_size=%u)\n",
+		"(dma_bytes=%zu, period_size=%zu)\n",
 		prtd->params->name,
 		runtime->dma_bytes,
 		prtd->period_size);
@@ -201,7 +201,7 @@
 	int ret = 0;
 
 	pr_debug("atmel-pcm:buffer_size = %ld,"
-		"dma_area = %p, dma_bytes = %u\n",
+		"dma_area = %p, dma_bytes = %zu\n",
 		rtd->buffer_size, rtd->dma_area, rtd->dma_bytes);
 
 	switch (cmd) {