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>

diff --git a/drivers/misc/habanalabs/common/pci.c b/drivers/misc/habanalabs/common/pci.c
index b8184cb..2770f03 100644 (file)
--- a/drivers/misc/habanalabs/common/pci.c
+++ b/drivers/misc/habanalabs/common/pci.c
@@ -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));