From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio

---
 kernel/Documentation/ABI/testing/sysfs-bus-platform |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/kernel/Documentation/ABI/testing/sysfs-bus-platform b/kernel/Documentation/ABI/testing/sysfs-bus-platform
index 5172a61..194ca70 100644
--- a/kernel/Documentation/ABI/testing/sysfs-bus-platform
+++ b/kernel/Documentation/ABI/testing/sysfs-bus-platform
@@ -18,3 +18,13 @@
 		devices to opt-out of driver binding using a driver_override
 		name such as "none".  Only a single driver may be specified in
 		the override, there is no support for parsing delimiters.
+
+What:		/sys/bus/platform/devices/.../numa_node
+Date:		June 2020
+Contact:	Barry Song <song.bao.hua@hisilicon.com>
+Description:
+		This file contains the NUMA node to which the platform device
+		is attached. It won't be visible if the node is unknown. The
+		value comes from an ACPI _PXM method or a similar firmware
+		source. Initial users for this file would be devices like
+		arm smmu which are populated by arm64 acpi_iort.

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