[PATCH] habanalabs/gaudi2: added memset for the cq_size register

From: Marco Pagani
Date: Wed Nov 23 2022 - 04:00:34 EST


The clang-analyzer reported a warning: "Value stored to
'cq_size_addr' is never read".

The cq_size register of dcore0 is not being zeroed using
gaudi2_memset_device_lbw(), along with the other cq_* registers,
even though the corresponding cq_size_addr variable is set.

Signed-off-by: Marco Pagani <marpagan@xxxxxxxxxx>
---
drivers/misc/habanalabs/gaudi2/gaudi2.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c
index 65e6cae6100a..05f30adefb32 100644
--- a/drivers/misc/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/misc/habanalabs/gaudi2/gaudi2.c
@@ -9165,6 +9165,7 @@ static void gaudi2_restore_user_sm_registers(struct hl_device *hdev)
gaudi2_memset_device_lbw(hdev, cq_lbw_data_addr, size, 0);
gaudi2_memset_device_lbw(hdev, cq_base_l_addr, size, 0);
gaudi2_memset_device_lbw(hdev, cq_base_h_addr, size, 0);
+ gaudi2_memset_device_lbw(hdev, cq_size_addr, size, 0);

cq_lbw_l_addr = mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_L_0 + DCORE_OFFSET;
cq_lbw_h_addr = mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_H_0 + DCORE_OFFSET;
--
2.38.1