drivers/net/: Use the DMA_{64,32}BIT_MASK constants

Use the DMA_{64,32}BIT_MASK constants from dma-mapping.h when calling
pci_set_dma_mask() or pci_set_consistent_dma_mask()

This patch includes dma-mapping.h explicitly because it caused errors
on some architectures otherwise.

See http://marc.theaimsgroup.com/?t=108001993000001&r=1&w=2 for details

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Domen Puncer <domen@coderock.org>

drivers/net/hp100.c

@@ -106,6 +106,7 @@
 #include <linux/interrupt.h>
 #include <linux/eisa.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/spinlock.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -557,7 +558,7 @@ static int __devinit hp100_probe1(struct net_device *dev, int ioaddr,
 			 * Also, we can have EISA Busmaster cards (not tested),
 			 * so beware !!! - Jean II */
 			if((bus == HP100_BUS_PCI) &&
-			   (pci_set_dma_mask(pci_dev, 0xffffffff))) {
+			   (pci_set_dma_mask(pci_dev, DMA_32BIT_MASK))) {
 				/* Gracefully fallback to shared memory */
 				goto busmasterfail;
 			}