linux-kernel - [PATCH 1/6] habanalabs: read F/W versions before failure

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Message-Id: <20191110215533.754-1-oded.gabbay@gmail.com>
Date:   Sun, 10 Nov 2019 23:55:28 +0200
From:   Oded Gabbay <oded.gabbay@...il.com>
To:     linux-kernel@...r.kernel.org, oshpigelman@...ana.ai,
        ttayar@...ana.ai
Cc:     gregkh@...uxfoundation.org
Subject: [PATCH 1/6] habanalabs: read F/W versions before failure

Move the read of the F/W boot versions before exiting on possible failures
of the F/W boot. This will help debug boot failures as we will be able to
know the F/W boot version.

Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
 drivers/misc/habanalabs/goya/goya.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index d3ee9e2aa57e..4e767e1d78e4 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -2296,6 +2296,10 @@ static int goya_init_cpu(struct hl_device *hdev, u32 cpu_timeout)
 		10000,
 		cpu_timeout);
 
+	/* Read U-Boot version now in case we will later fail */
+	goya_read_device_fw_version(hdev, FW_COMP_UBOOT);
+	goya_read_device_fw_version(hdev, FW_COMP_PREBOOT);
+
 	if (rc) {
 		dev_err(hdev->dev, "Error in ARM u-boot!");
 		switch (status) {
@@ -2347,10 +2351,6 @@ static int goya_init_cpu(struct hl_device *hdev, u32 cpu_timeout)
 		return -EIO;
 	}
 
-	/* Read U-Boot version now in case we will later fail */
-	goya_read_device_fw_version(hdev, FW_COMP_UBOOT);
-	goya_read_device_fw_version(hdev, FW_COMP_PREBOOT);
-
 	if (!hdev->fw_loading) {
 		dev_info(hdev->dev, "Skip loading FW\n");
 		goto out;
-- 
2.17.1