scsi: ufs: ufshpb: Fix warning in ufshpb_set_hpb_read_to_upiu()

Fix the following sparse warnings in ufshpb_set_hpb_read_to_upiu():

sparse warnings: (new ones prefixed by >>)
drivers/scsi/ufs/ufshpb.c:335:27: sparse: sparse: cast from restricted __be64
drivers/scsi/ufs/ufshpb.c:335:25: sparse: expected restricted __be64 [usertype] ppn_tmp
drivers/scsi/ufs/ufshpb.c:335:25: sparse: got unsigned long long [usertype]

Link: https://lore.kernel.org/r/20211111222452.384089-1-huobean@gmail.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
index 2e31e14..ded5ba9 100644 (file)
--- a/drivers/scsi/ufs/ufshpb.c
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -331,7 +331,7 @@ ufshpb_set_hpb_read_to_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
        cdb[0] = UFSHPB_READ;
 
        if (hba->dev_quirks & UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ)
-               ppn_tmp = swab64(ppn);
+               ppn_tmp = (__force __be64)swab64((__force u64)ppn);
 
        /* ppn value is stored as big-endian in the host memory */
        memcpy(&cdb[6], &ppn_tmp, sizeof(__be64));