During hard reset we should not access the device except of necessary
reset operations because the device might be stuck or unresponsive.
Signed-off-by: Omer Shpigelman <[email protected]>
---
drivers/misc/habanalabs/goya/goya.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 3294a6a92f75..2935e84fe7d8 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -4870,7 +4870,8 @@ static void goya_mmu_invalidate_cache(struct hl_device *hdev, bool is_hard,
u32 status, timeout_usec;
int rc;
- if (!(goya->hw_cap_initialized & HW_CAP_MMU))
+ if (!(goya->hw_cap_initialized & HW_CAP_MMU) ||
+ hdev->hard_reset_pending)
return;
/* no need in L1 only invalidation in Goya */
@@ -4909,7 +4910,8 @@ static void goya_mmu_invalidate_cache_range(struct hl_device *hdev,
u32 status, timeout_usec, inv_data, pi;
int rc;
- if (!(goya->hw_cap_initialized & HW_CAP_MMU))
+ if (!(goya->hw_cap_initialized & HW_CAP_MMU) ||
+ hdev->hard_reset_pending)
return;
/* no need in L1 only invalidation in Goya */
--
2.17.1