diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index bebf2fe38ea0..54730f4aac87 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -403,7 +403,7 @@ sh_mmcif_request_dma_one(struct sh_mmcif_host *host,
 		slave_id = 0;
 
 	chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
-				(void *)slave_id, &host->pd->dev,
+				(void *)(unsigned long)slave_id, &host->pd->dev,
 				direction == DMA_MEM_TO_DEV ? "tx" : "rx");
 
 	dev_dbg(&host->pd->dev, "%s: %s: got channel %p\n", __func__,