[PATCH v2 1/2] scsi: arcmsr: fix warning: right shift count >= width of type

[ching Huang]

From: ching Huang <ching2...@areca.com.tw>

Fix warning: right shift count >= width of type.

Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: ching Huang <ching2...@areca.com.tw>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index be6fb72..55d85c9 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -653,9 +653,9 @@ static void arcmsr_hbaF_assign_regAddr(struct 
AdapterControlBlock *acb)
                3) >> 2) << 2;
        pmuF = acb->pmuF;
        /* host buffer low address, bit0:1 all buffer active */
-       writel((uint32_t)(host_buffer_dma | 1), &pmuF->inbound_msgaddr0);
+       writel(lower_32_bits(host_buffer_dma | 1), &pmuF->inbound_msgaddr0);
        /* host buffer high address */
-       writel((uint32_t)(host_buffer_dma >> 32), &pmuF->inbound_msgaddr1);
+       writel(upper_32_bits(host_buffer_dma), &pmuF->inbound_msgaddr1);
        /* set host buffer physical address */
        writel(ARCMSR_HBFMU_DOORBELL_SYNC1, &pmuF->iobound_doorbell);
 }
@@ -4057,11 +4057,8 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock 
*acb)
                writel(cdb_phyaddr, &reg->msgcode_rwbuffer[2]);
                writel(cdb_phyaddr_hi32, &reg->msgcode_rwbuffer[3]);
                writel(acb->ccbsize, &reg->msgcode_rwbuffer[4]);
-               dma_coherent_handle = acb->dma_coherent_handle2;
-               cdb_phyaddr = (uint32_t)(dma_coherent_handle & 0xffffffff);
-               cdb_phyaddr_hi32 = (uint32_t)((dma_coherent_handle >> 16) >> 
16);
-               writel(cdb_phyaddr, &reg->msgcode_rwbuffer[5]);
-               writel(cdb_phyaddr_hi32, &reg->msgcode_rwbuffer[6]);
+               writel(lower_32_bits(acb->dma_coherent_handle2), 
&reg->msgcode_rwbuffer[5]);
+               writel(upper_32_bits(acb->dma_coherent_handle2), 
&reg->msgcode_rwbuffer[6]);
                writel(acb->ioqueue_size, &reg->msgcode_rwbuffer[7]);
                writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, &reg->inbound_msgaddr0);
                acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
@@ -4081,11 +4078,8 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock 
*acb)
                acb->msgcode_rwbuffer[2] = cdb_phyaddr;
                acb->msgcode_rwbuffer[3] = cdb_phyaddr_hi32;
                acb->msgcode_rwbuffer[4] = acb->ccbsize;
-               dma_coherent_handle = acb->dma_coherent_handle2;
-               cdb_phyaddr = (uint32_t)dma_coherent_handle;
-               cdb_phyaddr_hi32 = (uint32_t)(dma_coherent_handle >> 32);
-               acb->msgcode_rwbuffer[5] = cdb_phyaddr;
-               acb->msgcode_rwbuffer[6] = cdb_phyaddr_hi32;
+               acb->msgcode_rwbuffer[5] = 
lower_32_bits(acb->dma_coherent_handle2);
+               acb->msgcode_rwbuffer[6] = 
upper_32_bits(acb->dma_coherent_handle2);
                acb->msgcode_rwbuffer[7] = acb->completeQ_size;
                writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, &reg->inbound_msgaddr0);
                acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;