[SCSI] arcmsr: upper 32 of dma address lost

The original code always set the upper 32 bits to zero because it was
doing a shift of the wrong variable.

Fixes: 1a4f550a09f8 ('[SCSI] arcmsr: 1.20.00.15: add SATA RAID plus other fixes')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 4f6a30b8e5f9..652b41b4ddbd 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2500,16 +2500,15 @@ static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
 static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
 {
         uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
-        dma_addr_t dma_coherent_handle;
+
         /*
         ********************************************************************
         ** here we need to tell iop 331 our freeccb.HighPart
         ** if freeccb.HighPart is not zero
         ********************************************************************
         */
-        dma_coherent_handle = acb->dma_coherent_handle;
-        cdb_phyaddr = (uint32_t)(dma_coherent_handle);
-        cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
+        cdb_phyaddr = lower_32_bits(acb->dma_coherent_handle);
+        cdb_phyaddr_hi32 = upper_32_bits(acb->dma_coherent_handle);
         acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
         /*
         ***********************************************************************