summaryrefslogtreecommitdiff
path: root/drivers/nvme/host/pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/nvme/host/pci.c')
-rw-r--r--drivers/nvme/host/pci.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index d52701df7245..40c7581caeb0 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1367,7 +1367,7 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts)
bool nssro = dev->subsystem && (csts & NVME_CSTS_NSSRO);
/* If there is a reset ongoing, we shouldn't reset again. */
- if (work_busy(&dev->reset_work))
+ if (dev->ctrl.state == NVME_CTRL_RESETTING)
return false;
/* We shouldn't reset unless the controller is on fatal error state
@@ -1805,7 +1805,8 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
if (pci_is_enabled(pdev)) {
u32 csts = readl(dev->bar + NVME_REG_CSTS);
- if (dev->ctrl.state == NVME_CTRL_LIVE)
+ if (dev->ctrl.state == NVME_CTRL_LIVE ||
+ dev->ctrl.state == NVME_CTRL_RESETTING)
nvme_start_freeze(&dev->ctrl);
dead = !!((csts & NVME_CSTS_CFS) || !(csts & NVME_CSTS_RDY) ||
pdev->error_state != pci_channel_io_normal);
@@ -1903,7 +1904,7 @@ static void nvme_reset_work(struct work_struct *work)
bool was_suspend = !!(dev->ctrl.ctrl_config & NVME_CC_SHN_NORMAL);
int result = -ENODEV;
- if (WARN_ON(dev->ctrl.state == NVME_CTRL_RESETTING))
+ if (WARN_ON(dev->ctrl.state != NVME_CTRL_RESETTING))
goto out;
/*
@@ -1913,9 +1914,6 @@ static void nvme_reset_work(struct work_struct *work)
if (dev->ctrl.ctrl_config & NVME_CC_ENABLE)
nvme_dev_disable(dev, false);
- if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING))
- goto out;
-
result = nvme_pci_enable(dev);
if (result)
goto out;
@@ -2009,8 +2007,8 @@ static int nvme_reset(struct nvme_dev *dev)
{
if (!dev->ctrl.admin_q || blk_queue_dying(dev->ctrl.admin_q))
return -ENODEV;
- if (work_busy(&dev->reset_work))
- return -ENODEV;
+ if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING))
+ return -EBUSY;
if (!queue_work(nvme_workq, &dev->reset_work))
return -EBUSY;
return 0;
@@ -2136,6 +2134,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (result)
goto release_pools;
+ nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING);
dev_info(dev->ctrl.device, "pci function %s\n", dev_name(&pdev->dev));
queue_work(nvme_workq, &dev->reset_work);
@@ -2179,6 +2178,7 @@ static void nvme_remove(struct pci_dev *pdev)
nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING);
+ cancel_work_sync(&dev->reset_work);
pci_set_drvdata(pdev, NULL);
if (!pci_device_is_present(pdev)) {