diff options
| author | Omer Shpigelman <oshpigelman@habana.ai> | 2021-06-09 10:17:49 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-06-18 15:23:42 +0300 |
| commit | 4efb6b2b4662871c7299723e3e26976bfcd3a809 (patch) | |
| tree | 5ac6f3f080d648eee7e433db1aeb3e59c6265754 /drivers/misc | |
| parent | 4b09901cf71fdb71f7652b22a4f5e033f7defef9 (diff) | |
| download | linux-4efb6b2b4662871c7299723e3e26976bfcd3a809.tar.xz | |
habanalabs: add hard reset timeout for PLDM
Hard reset flow on PLDM might take more than 2 minutes.
Hence add a dedicated hard reset timeout of 6 minutes for PLDM.
Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/habanalabs/common/device.c | 9 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs.h | 1 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 46fcab1bf873..cbdf75b24cb4 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -1501,6 +1501,7 @@ out_disabled: void hl_device_fini(struct hl_device *hdev) { ktime_t timeout; + u64 reset_sec; int i, rc; dev_info(hdev->dev, "Removing device\n"); @@ -1508,6 +1509,11 @@ void hl_device_fini(struct hl_device *hdev) hdev->device_fini_pending = 1; flush_delayed_work(&hdev->device_reset_work.reset_work); + if (hdev->pldm) + reset_sec = HL_PLDM_HARD_RESET_MAX_TIMEOUT; + else + reset_sec = HL_HARD_RESET_MAX_TIMEOUT; + /* * This function is competing with the reset function, so try to * take the reset atomic and if we are already in middle of reset, @@ -1516,8 +1522,7 @@ void hl_device_fini(struct hl_device *hdev) * ports, the hard reset could take between 10-30 seconds */ - timeout = ktime_add_us(ktime_get(), - HL_HARD_RESET_MAX_TIMEOUT * 1000 * 1000); + timeout = ktime_add_us(ktime_get(), reset_sec * 1000 * 1000); rc = atomic_cmpxchg(&hdev->in_reset, 0, 1); while (rc) { usleep_range(50, 200); diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index bc5a1b45270f..244fbf209d34 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -48,6 +48,7 @@ #define HL_PENDING_RESET_LONG_SEC 60 #define HL_HARD_RESET_MAX_TIMEOUT 120 +#define HL_PLDM_HARD_RESET_MAX_TIMEOUT (HL_HARD_RESET_MAX_TIMEOUT * 3) #define HL_DEVICE_TIMEOUT_USEC 1000000 /* 1 s */ |