scsi: qla1280: use lower_32_bits and upper_32_bits instead of reinventing them

This also moves the optimization for builds with 32-bit dma_addr_t to
the compiler (where it belongs) instead of opencoding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla1280.c

@@ -390,13 +390,6 @@
 #define QLA_64BIT_PTR	1
 #endif
 
-#ifdef QLA_64BIT_PTR
-#define pci_dma_hi32(a)			((a >> 16) >> 16)
-#else
-#define pci_dma_hi32(a)			0
-#endif
-#define pci_dma_lo32(a)			(a & 0xffffffff)
-
 #define NVRAM_DELAY()			udelay(500)	/* 2 microseconds */
 
 #if defined(__ia64__) && !defined(ia64_platform_is)
@@ -1790,8 +1783,8 @@ qla1280_load_firmware_dma(struct scsi_qla_host *ha)
 		mb[4] = cnt;
 		mb[3] = ha->request_dma & 0xffff;
 		mb[2] = (ha->request_dma >> 16) & 0xffff;
-		mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
-		mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
+		mb[7] = upper_32_bits(ha->request_dma) & 0xffff;
+		mb[6] = upper_32_bits(ha->request_dma) >> 16;
 		dprintk(2, "%s: op=%d  0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n",
 				__func__, mb[0],
 				(void *)(long)ha->request_dma,
@@ -1810,8 +1803,8 @@ qla1280_load_firmware_dma(struct scsi_qla_host *ha)
 		mb[4] = cnt;
 		mb[3] = p_tbuf & 0xffff;
 		mb[2] = (p_tbuf >> 16) & 0xffff;
-		mb[7] = pci_dma_hi32(p_tbuf) & 0xffff;
-		mb[6] = pci_dma_hi32(p_tbuf) >> 16;
+		mb[7] = upper_32_bits(p_tbuf) & 0xffff;
+		mb[6] = upper_32_bits(p_tbuf) >> 16;
 
 		err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 |
 				BIT_1 | BIT_0, mb);
@@ -1933,8 +1926,8 @@ qla1280_init_rings(struct scsi_qla_host *ha)
 	mb[3] = ha->request_dma & 0xffff;
 	mb[2] = (ha->request_dma >> 16) & 0xffff;
 	mb[4] = 0;
-	mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
-	mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
+	mb[7] = upper_32_bits(ha->request_dma) & 0xffff;
+	mb[6] = upper_32_bits(ha->request_dma) >> 16;
 	if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 |
 					       BIT_3 | BIT_2 | BIT_1 | BIT_0,
 					       &mb[0]))) {
@@ -1947,8 +1940,8 @@ qla1280_init_rings(struct scsi_qla_host *ha)
 		mb[3] = ha->response_dma & 0xffff;
 		mb[2] = (ha->response_dma >> 16) & 0xffff;
 		mb[5] = 0;
-		mb[7] = pci_dma_hi32(ha->response_dma) & 0xffff;
-		mb[6] = pci_dma_hi32(ha->response_dma) >> 16;
+		mb[7] = upper_32_bits(ha->response_dma) & 0xffff;
+		mb[6] = upper_32_bits(ha->response_dma) >> 16;
 		status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 |
 						 BIT_3 | BIT_2 | BIT_1 | BIT_0,
 						 &mb[0]);
@@ -2914,13 +2907,13 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 						 SCSI_BUS_32(cmd));
 #endif
 			*dword_ptr++ =
-				cpu_to_le32(pci_dma_lo32(dma_handle));
+				cpu_to_le32(lower_32_bits(dma_handle));
 			*dword_ptr++ =
-				cpu_to_le32(pci_dma_hi32(dma_handle));
+				cpu_to_le32(upper_32_bits(dma_handle));
 			*dword_ptr++ = cpu_to_le32(sg_dma_len(s));
 			dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n",
-				cpu_to_le32(pci_dma_hi32(dma_handle)),
-				cpu_to_le32(pci_dma_lo32(dma_handle)),
+				cpu_to_le32(upper_32_bits(dma_handle)),
+				cpu_to_le32(lower_32_bits(dma_handle)),
 				cpu_to_le32(sg_dma_len(sg_next(s))));
 			remseg--;
 		}
@@ -2976,14 +2969,14 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 							 SCSI_BUS_32(cmd));
 #endif
 				*dword_ptr++ =
-					cpu_to_le32(pci_dma_lo32(dma_handle));
+					cpu_to_le32(lower_32_bits(dma_handle));
 				*dword_ptr++ =
-					cpu_to_le32(pci_dma_hi32(dma_handle));
+					cpu_to_le32(upper_32_bits(dma_handle));
 				*dword_ptr++ =
 					cpu_to_le32(sg_dma_len(s));
 				dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
-					cpu_to_le32(pci_dma_hi32(dma_handle)),
-					cpu_to_le32(pci_dma_lo32(dma_handle)),
+					cpu_to_le32(upper_32_bits(dma_handle)),
+					cpu_to_le32(lower_32_bits(dma_handle)),
 					cpu_to_le32(sg_dma_len(s)));
 			}
 			remseg -= cnt;
@@ -3178,10 +3171,10 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 			if (cnt == 4)
 				break;
 			*dword_ptr++ =
-				cpu_to_le32(pci_dma_lo32(sg_dma_address(s)));
+				cpu_to_le32(lower_32_bits(sg_dma_address(s)));
 			*dword_ptr++ = cpu_to_le32(sg_dma_len(s));
 			dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n",
-				(pci_dma_lo32(sg_dma_address(s))),
+				(lower_32_bits(sg_dma_address(s))),
 				(sg_dma_len(s)));
 			remseg--;
 		}
@@ -3224,13 +3217,13 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 				if (cnt == 7)
 					break;
 				*dword_ptr++ =
-					cpu_to_le32(pci_dma_lo32(sg_dma_address(s)));
+					cpu_to_le32(lower_32_bits(sg_dma_address(s)));
 				*dword_ptr++ =
 					cpu_to_le32(sg_dma_len(s));
 				dprintk(1,
 					"S/G Segment Cont. phys_addr=0x%x, "
 					"len=0x%x\n",
-					cpu_to_le32(pci_dma_lo32(sg_dma_address(s))),
+					cpu_to_le32(lower_32_bits(sg_dma_address(s))),
 					cpu_to_le32(sg_dma_len(s)));
 			}
 			remseg -= cnt;