Commit 83f14f2f authored by Oded Gabbay's avatar Oded Gabbay
Browse files

habanalabs/gaudi: move scrubbing to late init 



HW init is mostly about configuring registers. Therefore, it is better
to activate DMAs only in late init and afterwards.

Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent f5137aff

drivers/misc/habanalabs/gaudi/gaudi.c

+5 −5
Original line number Diff line number Diff line
@@ -1566,6 +1566,11 @@ static int gaudi_late_init(struct hl_device *hdev) 
		return rc;

	}



	/* Scrub both SRAM and DRAM */

	rc = hdev->asic_funcs->scrub_device_mem(hdev, 0, 0);

	if (rc)

		goto disable_pci_access;



	rc = gaudi_fetch_psoc_frequency(hdev);

	if (rc) {

		dev_err(hdev->dev, "Failed to fetch psoc frequency\n");
@@ -4193,11 +4198,6 @@ static int gaudi_hw_init(struct hl_device *hdev) 
		goto disable_msi;

	}



	/* Scrub both SRAM and DRAM */

	rc = hdev->asic_funcs->scrub_device_mem(hdev, 0, 0);

	if (rc)

		return rc;



	/* Perform read from the device to flush all configuration */

	RREG32(mmHW_STATE);