linux-kernel - [PATCH] scsi: hisi_sas: Fix warning detected by sparse

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Message-ID: <20250515013504.3234016-1-liyihang9@huawei.com>
Date: Thu, 15 May 2025 09:35:04 +0800
From: Yihang Li <liyihang9@...wei.com>
To: <martin.petersen@...cle.com>, <James.Bottomley@...senPartnership.com>
CC: <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linuxarm@...wei.com>, <liyihang9@...wei.com>, <liuyonglong@...wei.com>,
	<prime.zeng@...ilicon.com>
Subject: [PATCH] scsi: hisi_sas: Fix warning detected by sparse

LKP reports below warning when building for RISC-V with randconfig
configuration.

drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4554:25: sparse:
sparse: incorrect type in argument 4 (different base types)
@@     expected restricted __le32 [usertype] *[assigned] ptr
@@     got unsigned int * @@

Type cast to fix this warning.

Fixes: 4ca7fe99fc84 ("scsi: hisi_sas: Use macro instead of magic number")
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505150705.k9ZzMxf1-lkp@intel.com/
Signed-off-by: Yihang Li <liyihang9@...wei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index d7f45a2eb200..bc5d5356dd00 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -4558,7 +4558,7 @@ static int debugfs_fifo_data_v3_hw_show(struct seq_file *s, void *p)
 
 	debugfs_show_row_32_v3_hw(s, 0,
 			HISI_SAS_FIFO_DATA_DW_SIZE * HISI_SAS_REG_MEM_SIZE,
-			phy->fifo.rd_data);
+			(__le32 *)phy->fifo.rd_data);
 
 	return 0;
 }
-- 
2.33.0