linux-kernel - [PATCH 2/4] habanalabs: add print for soft reset due to event

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Message-Id: <20200521070205.26673-2-oded.gabbay@gmail.com>
Date:   Thu, 21 May 2020 10:02:03 +0300
From:   Oded Gabbay <oded.gabbay@...il.com>
To:     linux-kernel@...r.kernel.org, SW_Drivers@...ana.ai
Cc:     gregkh@...uxfoundation.org, Omer Shpigelman <oshpigelman@...ana.ai>
Subject: [PATCH 2/4] habanalabs: add print for soft reset due to event

From: Omer Shpigelman <oshpigelman@...ana.ai>

Print the event name that caused the soft reset.

Signed-off-by: Omer Shpigelman <oshpigelman@...ana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@...il.com>
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 093384731f0d..3d4a569914d3 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -5843,8 +5843,12 @@ static void gaudi_handle_eqe(struct hl_device *hdev,
 		soft_reset_required = gaudi_tpc_read_interrupts(hdev,
 					tpc_dec_event_to_tpc_id(event_type),
 					"AXI_SLV_DEC_Error");
-		if (soft_reset_required)
+		if (soft_reset_required) {
+			dev_err_ratelimited(hdev->dev,
+					"soft reset required due to %s\n",
+					gaudi_irq_map_table[event_type].name);
 			hl_device_reset(hdev, false, false);
+		}
 		hl_fw_unmask_irq(hdev, event_type);
 		break;
 
@@ -5860,8 +5864,12 @@ static void gaudi_handle_eqe(struct hl_device *hdev,
 		soft_reset_required = gaudi_tpc_read_interrupts(hdev,
 					tpc_krn_event_to_tpc_id(event_type),
 					"KRN_ERR");
-		if (soft_reset_required)
+		if (soft_reset_required) {
+			dev_err_ratelimited(hdev->dev,
+					"soft reset required due to %s\n",
+					gaudi_irq_map_table[event_type].name);
 			hl_device_reset(hdev, false, false);
+		}
 		hl_fw_unmask_irq(hdev, event_type);
 		break;
 
-- 
2.17.1