mtd/nand/r852: Use pci_dma_mapping_error()

... instead of comparing with DMA_ERROR_CODE, which will only work on
powerpc/sparc/x86.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 06f07bb..96bfbd8 100644 (file)
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -197,7 +197,7 @@ static void r852_do_dma(struct r852_device *dev, uint8_t *buf, int do_read)
                        R852_DMA_LEN,
                        (do_read ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE));
 
-               if (dev->phys_dma_addr == DMA_ERROR_CODE)
+               if (pci_dma_mapping_error(dev->pci_dev, dev->phys_dma_addr))
                        bounce = 1;
        }