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path: root/drivers/dma/idxd/device.c
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Diffstat (limited to 'drivers/dma/idxd/device.c')
-rw-r--r--drivers/dma/idxd/device.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index 49ee36038cca..001a82040e98 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -578,19 +578,15 @@ int idxd_device_disable(struct idxd_device *idxd)
return -ENXIO;
}
- spin_lock(&idxd->dev_lock);
idxd_device_clear_state(idxd);
- idxd->state = IDXD_DEV_DISABLED;
- spin_unlock(&idxd->dev_lock);
return 0;
}
void idxd_device_reset(struct idxd_device *idxd)
{
idxd_cmd_exec(idxd, IDXD_CMD_RESET_DEVICE, 0, NULL);
- spin_lock(&idxd->dev_lock);
idxd_device_clear_state(idxd);
- idxd->state = IDXD_DEV_DISABLED;
+ spin_lock(&idxd->dev_lock);
idxd_unmask_error_interrupts(idxd);
spin_unlock(&idxd->dev_lock);
}
@@ -717,23 +713,27 @@ static void idxd_device_wqs_clear_state(struct idxd_device *idxd)
{
int i;
- lockdep_assert_held(&idxd->dev_lock);
for (i = 0; i < idxd->max_wqs; i++) {
struct idxd_wq *wq = idxd->wqs[i];
if (wq->state == IDXD_WQ_ENABLED) {
+ mutex_lock(&wq->wq_lock);
idxd_wq_disable_cleanup(wq);
idxd_wq_device_reset_cleanup(wq);
wq->state = IDXD_WQ_DISABLED;
+ mutex_unlock(&wq->wq_lock);
}
}
}
void idxd_device_clear_state(struct idxd_device *idxd)
{
+ idxd_device_wqs_clear_state(idxd);
+ spin_lock(&idxd->dev_lock);
idxd_groups_clear_state(idxd);
idxd_engines_clear_state(idxd);
- idxd_device_wqs_clear_state(idxd);
+ idxd->state = IDXD_DEV_DISABLED;
+ spin_unlock(&idxd->dev_lock);
}
static void idxd_group_config_write(struct idxd_group *group)