diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/device.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/device.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index d52381d1fbd2..dc9341a64541 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -13,6 +13,8 @@ #include <linux/pci.h> #include <linux/hwmon.h> +#define HL_RESET_DELAY_USEC 10000 /* 10ms */ + enum hl_device_status hl_device_status(struct hl_device *hdev) { enum hl_device_status status; @@ -980,7 +982,7 @@ int hl_device_reset(struct hl_device *hdev, u32 flags) { bool hard_reset, from_hard_reset_thread, fw_reset, hard_instead_soft = false, reset_upon_device_release = false, schedule_hard_reset = false, - skip_wq_flush = false; + skip_wq_flush, delay_reset; u64 idle_mask[HL_BUSY_ENGINES_MASK_EXT_SIZE] = {0}; struct hl_ctx *ctx; int i, rc; @@ -994,6 +996,7 @@ int hl_device_reset(struct hl_device *hdev, u32 flags) from_hard_reset_thread = !!(flags & HL_DRV_RESET_FROM_RESET_THR); fw_reset = !!(flags & HL_DRV_RESET_BYPASS_REQ_TO_FW); skip_wq_flush = !!(flags & HL_DRV_RESET_DEV_RELEASE); + delay_reset = !!(flags & HL_DRV_RESET_DELAY); if (!hard_reset && !hdev->asic_prop.supports_soft_reset) { hard_instead_soft = true; @@ -1043,6 +1046,9 @@ do_reset: hdev->reset_info.in_reset = 1; spin_unlock(&hdev->reset_info.lock); + if (delay_reset) + usleep_range(HL_RESET_DELAY_USEC, HL_RESET_DELAY_USEC << 1); + handle_reset_trigger(hdev, flags); /* This still allows the completion of some KDMA ops */ |