diff options
| author |   Xiang Chen <chenxiang66@hisilicon.com> | 2018-05-09 23:10:49 +0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2018-05-18 11:22:09 -0400 |
| commit | e85d93b21267fff56110e3a258b9fad8adbfbce3 (patch) | |
| tree | 1ccb90316de70e0085c6212e665d0573aa7e8347 /drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | |
| parent | scsi: hisi_sas: Don't lock DQ for complete task sending (diff) | |
| download | linux-dev-e85d93b21267fff56110e3a258b9fad8adbfbce3.tar.xz linux-dev-e85d93b21267fff56110e3a258b9fad8adbfbce3.zip | |
scsi: hisi_sas: Use device lock to protect slot alloc/free
The IPTT of a slot is unique, and we currently use hisi_hba lock to
protect it.
Now slot is managed on hisi_sas_device.list, so use DQ lock to protect
for allocating and freeing the slot.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
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_v3_hw.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 56f1046b244c..c013673ee8ac 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2373,7 +2373,6 @@ static int hisi_sas_v3_suspend(struct pci_dev *pdev, pm_message_t state) u32 device_state, status; int rc; u32 reg_val; - unsigned long flags; if (!pdev->pm_cap) { dev_err(dev, "PCI PM not supported\n"); @@ -2418,9 +2417,7 @@ static int hisi_sas_v3_suspend(struct pci_dev *pdev, pm_message_t state) pci_disable_device(pdev); pci_set_power_state(pdev, device_state); - spin_lock_irqsave(&hisi_hba->lock, flags); hisi_sas_release_tasks(hisi_hba); - spin_unlock_irqrestore(&hisi_hba->lock, flags); sas_suspend_ha(sha); return 0; |