diff options
| author | Vinod Koul <vkoul@kernel.org> | 2020-09-11 17:45:36 +0530 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-11 17:45:36 +0530 |
| commit | 4c80e9323967125ab8aa7c271ccc7624abc08832 (patch) | |
| tree | c9881b5814c184aa0c1cb58c6383beab9173e388 /drivers/dma/idxd | |
| parent | ef759e4a28c88965972c815af6023f41bd733316 (diff) | |
| parent | f4d51dffc6c01a9e94650d95ce0104964f8ae822 (diff) | |
Merge tag 'v5.9-rc4' into next
Linux 5.9-rc4
Diffstat (limited to 'drivers/dma/idxd')
| -rw-r--r-- | drivers/dma/idxd/device.c | 26 | ||||
| -rw-r--r-- | drivers/dma/idxd/irq.c | 12 |
2 files changed, 26 insertions, 12 deletions
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c index 22f6c871baa9..200b9109cacf 100644 --- a/drivers/dma/idxd/device.c +++ b/drivers/dma/idxd/device.c @@ -414,10 +414,27 @@ int idxd_device_enable(struct idxd_device *idxd) return 0; } +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) { + idxd_wq_disable_cleanup(wq); + wq->state = IDXD_WQ_DISABLED; + } + } +} + int idxd_device_disable(struct idxd_device *idxd) { struct device *dev = &idxd->pdev->dev; u32 status; + unsigned long flags; if (!idxd_is_enabled(idxd)) { dev_dbg(dev, "Device is not enabled\n"); @@ -433,13 +450,22 @@ int idxd_device_disable(struct idxd_device *idxd) return -ENXIO; } + spin_lock_irqsave(&idxd->dev_lock, flags); + idxd_device_wqs_clear_state(idxd); idxd->state = IDXD_DEV_CONF_READY; + spin_unlock_irqrestore(&idxd->dev_lock, flags); return 0; } void idxd_device_reset(struct idxd_device *idxd) { + unsigned long flags; + idxd_cmd_exec(idxd, IDXD_CMD_RESET_DEVICE, 0, NULL); + spin_lock_irqsave(&idxd->dev_lock, flags); + idxd_device_wqs_clear_state(idxd); + idxd->state = IDXD_DEV_CONF_READY; + spin_unlock_irqrestore(&idxd->dev_lock, flags); } /* Device configuration bits */ diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c index 11ac0703b371..17a65a13fb64 100644 --- a/drivers/dma/idxd/irq.c +++ b/drivers/dma/idxd/irq.c @@ -11,18 +11,6 @@ #include "idxd.h" #include "registers.h" -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]; - - wq->state = IDXD_WQ_DISABLED; - } -} - static void idxd_device_reinit(struct work_struct *work) { struct idxd_device *idxd = container_of(work, struct idxd_device, work); |