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habanalabs: do not halt CoreSight during hard reset

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During hard reset we must not write to the device.
Hence avoid halting CoreSight during user context close if it is done
during hard reset.
In addition, we must not re-enable clock gating afterwards as it was
deliberately disabled in the beginning of the hard reset flow.

Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Omer Shpigelman 2020-01-05 09:05:45 +00:00 committed by Oded Gabbay
parent 908087ffbe
commit a37e47192d
1 changed files with 3 additions and 1 deletions
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4
drivers/misc/habanalabs/device.c
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@ -598,7 +598,9 @@ int hl_device_set_debug_mode(struct hl_device *hdev, bool enable)
goto out;
}
hdev->asic_funcs->halt_coresight(hdev);
if (!hdev->hard_reset_pending)
hdev->asic_funcs->halt_coresight(hdev);
hdev->in_debug = 0;
goto out;