scsi: ips: use lower_32_bits and upper_32_bits instead of reinventing them

Christoph Hellwig · martinkpetersen · commit 6f6eb3ccc6ff · 2018-11-06T21:31:28.000-05:00
Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
Reviewed-by: Bart Van Assche &lt;bvanassche@acm.org&gt;
Signed-off-by: Martin K. Petersen &lt;martin.petersen@oracle.com&gt;
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
@@ -1801,13 +1801,13 @@ ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
 	}
 	if (IPS_USE_ENH_SGLIST(ha)) {
 		scb->sg_list.enh_list[indx].address_lo =
-		    cpu_to_le32(pci_dma_lo32(busaddr));
+		    cpu_to_le32(lower_32_bits(busaddr));
 		scb->sg_list.enh_list[indx].address_hi =
-		    cpu_to_le32(pci_dma_hi32(busaddr));
+		    cpu_to_le32(upper_32_bits(busaddr));
 		scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
 	} else {
 		scb->sg_list.std_list[indx].address =
-		    cpu_to_le32(pci_dma_lo32(busaddr));
+		    cpu_to_le32(lower_32_bits(busaddr));
 		scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
 	}
 
diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h
@@ -96,9 +96,6 @@
       #define __iomem
    #endif
 
-   #define pci_dma_hi32(a)         ((a >> 16) >> 16)
-   #define pci_dma_lo32(a)         (a & 0xffffffff)
-
    #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
       #define IPS_ENABLE_DMA64        (1)
    #else
