Commit 5aba3688 authored Aug 11, 2020 by Ofir Bitton Committed by Oded Gabbay Aug 22, 2020

habanalabs: correctly report inbound pci region cfg error



During inbound iATU configuration we can get errors while
configuring PCI registers, there is a certain scenario in which these
errors are not reflected and driver is loaded with wrong configuration.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

parent 0839152f

drivers/misc/habanalabs/common/pci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -227,7 +227,7 @@ int hl_pci_set_inbound_region(struct hl_device *hdev, u8 region,
		}

		/* Point to the specified address */
		rc = hl_pci_iatu_write(hdev, offset + 0x14,
		rc \|= hl_pci_iatu_write(hdev, offset + 0x14,
		lower_32_bits(pci_region->addr));
		rc \|= hl_pci_iatu_write(hdev, offset + 0x18,
		upper_32_bits(pci_region->addr));

Admin message