From 1edc7078d6549a7ff39d62318d2879ee72bd0b9d Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Fri, 20 Aug 2021 15:52:51 +0200
Subject: [PATCH] ramips: enable I2C_CHARDEV

Expose I2C busses with a chardev device. This is required to control the
PSE controller on the Ubiquiti UniFi Flex Switch.

Signed-off-by: David Bauer <mail@david-bauer.net>
---
 target/linux/ramips/mt7621/config-5.4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/ramips/mt7621/config-5.4 b/target/linux/ramips/mt7621/config-5.4
index 46f519fa66..1be4db73fa 100644
--- a/target/linux/ramips/mt7621/config-5.4
+++ b/target/linux/ramips/mt7621/config-5.4
@@ -100,6 +100,7 @@ CONFIG_HIGHMEM=y
 CONFIG_HZ_PERIODIC=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_GPIO=y
 CONFIG_I2C_MT7621=y
 CONFIG_INITRAMFS_SOURCE=""