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| author | John Garry <john.garry@huawei.com> | 2019-08-05 16:48:06 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-08-08 05:13:15 +0300 |
| commit | 1c003146c64bb3ae86f1a08d73a7e4551d7cd04a (patch) | |
| tree | 85a6e273269a569e7fd9e4a4cac5be8d9572a022 /drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | |
| parent | 599aefc81effaaf78c02d44461f7157f22ee3b1d (diff) | |
| download | linux-1c003146c64bb3ae86f1a08d73a7e4551d7cd04a.tar.xz | |
scsi: hisi_sas: Drop kmap_atomic() in SMP command completion
The call to kmap_atomic() in the SMP command completion code is
unnecessary, since kmap() is only really concerned with highmem, which is
not relevant on arm64. The controller only finds itself in arm64 systems.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v1_hw.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index b13cbc64d2a9..015bf00a20e6 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1275,11 +1275,10 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba, } case SAS_PROTOCOL_SMP: { - void *to; struct scatterlist *sg_resp = &task->smp_task.smp_resp; + void *to = page_address(sg_page(sg_resp)); ts->stat = SAM_STAT_GOOD; - to = kmap_atomic(sg_page(sg_resp)); dma_unmap_sg(dev, &task->smp_task.smp_resp, 1, DMA_FROM_DEVICE); @@ -1289,7 +1288,6 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba, hisi_sas_status_buf_addr_mem(slot) + sizeof(struct hisi_sas_err_record), sg_dma_len(sg_resp)); - kunmap_atomic(to); break; } case SAS_PROTOCOL_SATA: |