linux-kernel - PATCH 1/1] scsi: arcmsr: fix warning: right shift count >= width of type

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Message-ID: <cbc8c0c56bc82f2abe61f3259ddc6f8c8c9ca53b.camel@areca.com.tw>
Date:   Tue, 06 Oct 2020 15:26:44 +0800
From:   ching Huang <ching2048@...ca.com.tw>
To:     martin.petersen@...cle.com, James.Bottomley@...senPartnership.com,
        linux-scsi@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     kbuild test robot <lkp@...el.com>
Subject: PATCH 1/1] scsi: arcmsr: fix warning: right shift count >= width of
 type

From: ching Huang <ching2048@...ca.com.tw>

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

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: ching Huang <ching2048@...ca.com.tw>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index be6fb72..d13d672 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -655,7 +655,7 @@ static void arcmsr_hbaF_assign_regAddr(struct AdapterControlBlock *acb)
 	/* host buffer low address, bit0:1 all buffer active */
 	writel((uint32_t)(host_buffer_dma | 1), &pmuF->inbound_msgaddr0);
 	/* host buffer high address */
-	writel((uint32_t)(host_buffer_dma >> 32), &pmuF->inbound_msgaddr1);
+	writel(dma_addr_hi32(host_buffer_dma), &pmuF->inbound_msgaddr1);
 	/* set host buffer physical address */
 	writel(ARCMSR_HBFMU_DOORBELL_SYNC1, &pmuF->iobound_doorbell);
 }
@@ -4083,7 +4083,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
 		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);
+		cdb_phyaddr_hi32 = dma_addr_hi32(dma_coherent_handle);
 		acb->msgcode_rwbuffer[5] = cdb_phyaddr;
 		acb->msgcode_rwbuffer[6] = cdb_phyaddr_hi32;
 		acb->msgcode_rwbuffer[7] = acb->completeQ_size;