[MTD] [NAND] Blackfin NFC Driver: drop pointless casts with set_dma_callback()

Signed-off-by: NMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/nand/bf5xx_nand.c

@@ -572,7 +572,7 @@ static int bf5xx_nand_dma_init(struct bf5xx_nand_info *info)
 	SSYNC();
 #endif
 
-	set_dma_callback(CH_NFC, (void *) bf5xx_nand_dma_irq, (void *) info);
+	set_dma_callback(CH_NFC, bf5xx_nand_dma_irq, info);
 
 	/* Turn off the DMA channel first */
 	disable_dma(CH_NFC);