[-next,v3] dmaengine: mcf-edma: avoid warning for wrong pointer cast

[Angelo Dureghello <angelo@sysam.it>]

This patch fixes the following compilation warning
reported during x86_64 allmodconfig build:

  drivers/dma/mcf-edma.c: In function 'mcf_edma_filter_fn':
  drivers/dma/mcf-edma.c:296:33: warning: cast from pointer to
integer of different size [-Wpointer-to-int-cast]
        return (mcf_chan->slave_id == (u32)param);

Reported-By: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Angelo Dureghello <angelo@sysam.it>
---
Changes for v2:
  - added Reported-By

Changes for v3:
  - added more details about the patch
  - changed channel request cast using uintptr_t
---
 drivers/dma/mcf-edma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/mcf-edma.c b/drivers/dma/mcf-edma.c
index 4d30d5302649..5de1b07eddff 100644
--- a/drivers/dma/mcf-edma.c
+++ b/drivers/dma/mcf-edma.c
@@ -293,7 +293,7 @@ bool mcf_edma_filter_fn(struct dma_chan *chan, void *param)
 	if (chan->device->dev->driver == &mcf_edma_driver.driver) {
 		struct fsl_edma_chan *mcf_chan = to_fsl_edma_chan(chan);
 
-		return (mcf_chan->slave_id == (u32)param);
+		return (mcf_chan->slave_id == (uintptr_t)param);
 	}
 
 	return false;