ipr: convert to generic DMA API

Even though the ipr driver is only used on PCI, convert it
to use the generic DMA API.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index d0201ce..9ebdebd 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1549,7 +1549,7 @@
 	struct ipr_misc_cbs *vpd_cbs;
 	dma_addr_t vpd_cbs_dma;
 
-	struct pci_pool *ipr_cmd_pool;
+	struct dma_pool *ipr_cmd_pool;
 
 	struct ipr_cmnd *reset_cmd;
 	int (*reset) (struct ipr_cmnd *);