From e4a09f5503b7d578bc5b8b4dd0ef0d4c5a5846c2 Mon Sep 17 00:00:00 2001
From: jiangjianfeng <jiangjianfeng.jjf@antgroup.com>
Date: Thu, 4 Dec 2025 07:22:51 +0000
Subject: [PATCH] Remove unused Misc device type

---
 kernel/src/fs/device.rs      | 2 --
 kernel/src/fs/utils/inode.rs | 1 -
 2 files changed, 3 deletions(-)

diff --git a/kernel/src/fs/device.rs b/kernel/src/fs/device.rs
index 68bee99e2..dee58eb50 100644
--- a/kernel/src/fs/device.rs
+++ b/kernel/src/fs/device.rs
@@ -43,8 +43,6 @@ impl Debug for dyn Device {
 pub enum DeviceType {
     Char,
     Block,
-    #[expect(dead_code)]
-    Misc,
 }
 
 /// Adds a device node in `/dev`.
diff --git a/kernel/src/fs/utils/inode.rs b/kernel/src/fs/utils/inode.rs
index 2e5599b40..e63b312db 100644
--- a/kernel/src/fs/utils/inode.rs
+++ b/kernel/src/fs/utils/inode.rs
@@ -75,7 +75,6 @@ impl From<DeviceType> for InodeType {
         match type_ {
             DeviceType::Char => InodeType::CharDevice,
             DeviceType::Block => InodeType::BlockDevice,
-            DeviceType::Misc => InodeType::CharDevice,
         }
     }
 }