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authorJohn Garry <john.garry@huawei.com>2015-12-21 14:35:09 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-01-08 20:50:54 +0300
commit4e09bff3301ac570cb5d68277e755f1759edfeb2 (patch)
tree5caa32b52bb245e3645cb2788ca6c3914e0eb220 /drivers/scsi/hisi_sas
parent8fb88201b4303159638976c2c4c4769fc89d64d1 (diff)
downloadlinux-4e09bff3301ac570cb5d68277e755f1759edfeb2.tar.xz
hisi_sas: Use u64 for qw0 in free_device_v1_hw()
By reading in itct.qw0 into a 32b variable the top 32 bits were being lost. In practice this was OK as they were zeroes. Fixes: 27a3f229 ("hisi_sas: Add cq interrupt") Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Reviewed-by: Shane Seymour <shane.seymour@hpe.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v1_hw.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 38ff575775f1..057fdeb720ac 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -539,7 +539,8 @@ static void free_device_v1_hw(struct hisi_hba *hisi_hba,
{
u64 dev_id = sas_dev->device_id;
struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
- u32 qw0, reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
+ u64 qw0;
+ u32 reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
reg_val |= CFG_AGING_TIME_ITCT_REL_MSK;
hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);