linux-kernel - [PATCH 2/8] accel/habanalabs: use device-name directory in debugfs-driver-habanalabs

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Date: Mon, 27 May 2024 18:02:18 +0300
From: Ofir Bitton <obitton@...ana.ai>
To: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: Tomer Tayar <ttayar@...ana.ai>
Subject: [PATCH 2/8] accel/habanalabs: use device-name directory in debugfs-driver-habanalabs

From: Tomer Tayar <ttayar@...ana.ai>

The device debugfs directory was modified to be named as the parent
device name.
Update the description of 'mmu' and 'mmu_error' to use the new path.

Signed-off-by: Tomer Tayar <ttayar@...ana.ai>
Reviewed-by: Ofir Bitton <obitton@...ana.ai>
---
 Documentation/ABI/testing/debugfs-driver-habanalabs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/ABI/testing/debugfs-driver-habanalabs b/Documentation/ABI/testing/debugfs-driver-habanalabs
index efbb78bedb8b..3318a14f35b9 100644
--- a/Documentation/ABI/testing/debugfs-driver-habanalabs
+++ b/Documentation/ABI/testing/debugfs-driver-habanalabs
@@ -217,7 +217,7 @@ Description:    Displays the hop values and physical address for a given ASID
                 and virtual address. The user should write the ASID and VA into
                 the file and then read the file to get the result.
                 e.g. to display info about VA 0x1000 for ASID 1 you need to do:
-                echo "1 0x1000" > /sys/kernel/debug/accel/0/mmu
+                echo "1 0x1000" > /sys/kernel/debug/accel/<parent_device>/mmu
 
 What:           /sys/kernel/debug/accel/<parent_device>/mmu_error
 Date:           Mar 2021
@@ -226,8 +226,8 @@ Contact:        fkassabri@...ana.ai
 Description:    Check and display page fault or access violation mmu errors for
                 all MMUs specified in mmu_cap_mask.
                 e.g. to display error info for MMU hw cap bit 9, you need to do:
-                echo "0x200" > /sys/kernel/debug/accel/0/mmu_error
-                cat /sys/kernel/debug/accel/0/mmu_error
+                echo "0x200" > /sys/kernel/debug/accel/<parent_device>/mmu_error
+                cat /sys/kernel/debug/accel/<parent_device>/mmu_error
 
 What:           /sys/kernel/debug/accel/<parent_device>/monitor_dump
 Date:           Mar 2022
-- 
2.34.1