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| author | Richard Qin <richard.qin.x@gmail.com> | 2026-10-16 02:39:56 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.x@gmail.com> | 2026-10-16 02:39:56 +0800 |
| commit | 8cace3f05003c6cb4d38c36890055f03151c2ad4 (patch) | |
| tree | aa739deaac0266f17c4e91b333957501cb1ea2e9 /fs/chardev.cc | |
| parent | 3ad39e9878310e5317ee73c9b353c1e2c1c5c4ee (diff) | |
| download | lume-8cace3f05003c6cb4d38c36890055f03151c2ad4.tar.gz lume-8cace3f05003c6cb4d38c36890055f03151c2ad4.tar.xz | |
Remove old code
Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
Diffstat (limited to 'fs/chardev.cc')
| -rw-r--r-- | fs/chardev.cc | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/fs/chardev.cc b/fs/chardev.cc deleted file mode 100644 index fa96276..0000000 --- a/fs/chardev.cc +++ /dev/null @@ -1,43 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* Copyright (C) 2026 Richard Qin */ - -/* - * chardev.cc — Character device registry - * - * Simple linked list of registered cdevs, searched by dev number. - */ - -#include <lume/chardev.h> -#include <lume/list.h> -#include <lume/klog.h> -#include <kernel/sync/spinlock.h> - -static list_node g_cdev_list; -static Spinlock g_cdev_lock; - -void cdev_init() -{ - list_init(&g_cdev_list); -} - -void cdev_register(cdev* dev) -{ - LockGuard guard(g_cdev_lock); - list_init(&dev->list); - list_add_tail(&dev->list, &g_cdev_list); - printk("[cdev] registered '%s' (%d,%d)\n", - dev->name, MAJOR(dev->dev), MINOR(dev->dev)); -} - -cdev* cdev_find(uint32 dev_nr) -{ - LockGuard guard(g_cdev_lock); - list_node* pos; - for (pos = g_cdev_list.prev; pos != &g_cdev_list; pos = pos->prev) { - cdev* cd = container_of(pos, cdev, list); - if (cd->dev == dev_nr) { - return cd; - } - } - return nullptr; -} |
