[PATCH 4/4] accel/habanalabs: fix bug in free scratchpad memory

Oded Gabbay ogabbay at kernel.org
Sun Apr 16 11:30:50 UTC 2023


From: Moti Haimovski <mhaimovski at habana.ai>

This commit fixes a bug in Gaudi2 when freeing the scratchpad memory
in case software init fails.

Signed-off-by: Moti Haimovski <mhaimovski at habana.ai>
Reviewed-by: Oded Gabbay <ogabbay at kernel.org>
Signed-off-by: Oded Gabbay <ogabbay at kernel.org>
---
 drivers/accel/habanalabs/gaudi2/gaudi2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2.c b/drivers/accel/habanalabs/gaudi2/gaudi2.c
index 6f05aa230376..acc304ebca82 100644
--- a/drivers/accel/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/accel/habanalabs/gaudi2/gaudi2.c
@@ -3630,8 +3630,8 @@ static int gaudi2_sw_init(struct hl_device *hdev)
 special_blocks_free:
 	gaudi2_special_blocks_iterator_free(hdev);
 free_scratchpad_mem:
-	hl_asic_dma_pool_free(hdev, gaudi2->scratchpad_kernel_address,
-				gaudi2->scratchpad_bus_address);
+	hl_asic_dma_free_coherent(hdev, PAGE_SIZE, gaudi2->scratchpad_kernel_address,
+				  gaudi2->scratchpad_bus_address);
 free_virt_msix_db_mem:
 	hl_cpu_accessible_dma_pool_free(hdev, prop->pmmu.page_size, gaudi2->virt_msix_db_cpu_addr);
 free_cpu_accessible_dma_pool:
-- 
2.40.0



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