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hisi_sas: Use u64 for qw0 in free_device_v1_hw()

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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>
This commit is contained in:
John Garry 2015-12-21 19:35:09 +08:00 committed by Martin K. Petersen
parent 8fb88201b4
commit 4e09bff330
1 changed files with 2 additions and 1 deletions
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drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
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@ -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);