diff options
Diffstat (limited to 'drivers/staging/wilc1000/wilc_debugfs.c')
-rw-r--r-- | drivers/staging/wilc1000/wilc_debugfs.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/staging/wilc1000/wilc_debugfs.c b/drivers/staging/wilc1000/wilc_debugfs.c deleted file mode 100644 index 8001df66b8c2..000000000000 --- a/drivers/staging/wilc1000/wilc_debugfs.c +++ /dev/null @@ -1,115 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries. - * All rights reserved. - */ - -#if defined(WILC_DEBUGFS) -#include <linux/module.h> -#include <linux/debugfs.h> - -#include "wilc_wlan_if.h" - -static struct dentry *wilc_dir; - -#define DEBUG BIT(0) -#define INFO BIT(1) -#define WRN BIT(2) -#define ERR BIT(3) - -#define DBG_LEVEL_ALL (DEBUG | INFO | WRN | ERR) -static atomic_t WILC_DEBUG_LEVEL = ATOMIC_INIT(ERR); -EXPORT_SYMBOL_GPL(WILC_DEBUG_LEVEL); - -static ssize_t wilc_debug_level_read(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - char buf[128]; - int res = 0; - - /* only allow read from start */ - if (*ppos > 0) - return 0; - - res = scnprintf(buf, sizeof(buf), "Debug Level: %x\n", - atomic_read(&WILC_DEBUG_LEVEL)); - - return simple_read_from_buffer(userbuf, count, ppos, buf, res); -} - -static ssize_t wilc_debug_level_write(struct file *filp, - const char __user *buf, size_t count, - loff_t *ppos) -{ - int flag = 0; - int ret; - - ret = kstrtouint_from_user(buf, count, 16, &flag); - if (ret) - return ret; - - if (flag > DBG_LEVEL_ALL) { - pr_info("%s, value (0x%08x) is out of range, stay previous flag (0x%08x)\n", - __func__, flag, atomic_read(&WILC_DEBUG_LEVEL)); - return -EINVAL; - } - - atomic_set(&WILC_DEBUG_LEVEL, (int)flag); - - if (flag == 0) - pr_info("Debug-level disabled\n"); - else - pr_info("Debug-level enabled\n"); - - return count; -} - -#define FOPS(_open, _read, _write, _poll) { \ - .owner = THIS_MODULE, \ - .open = (_open), \ - .read = (_read), \ - .write = (_write), \ - .poll = (_poll), \ -} - -struct wilc_debugfs_info_t { - const char *name; - int perm; - unsigned int data; - const struct file_operations fops; -}; - -static struct wilc_debugfs_info_t debugfs_info[] = { - { - "wilc_debug_level", - 0666, - (DEBUG | ERR), - FOPS(NULL, wilc_debug_level_read, wilc_debug_level_write, NULL), - }, -}; - -static int __init wilc_debugfs_init(void) -{ - int i; - struct wilc_debugfs_info_t *info; - - wilc_dir = debugfs_create_dir("wilc_wifi", NULL); - for (i = 0; i < ARRAY_SIZE(debugfs_info); i++) { - info = &debugfs_info[i]; - debugfs_create_file(info->name, - info->perm, - wilc_dir, - &info->data, - &info->fops); - } - return 0; -} -module_init(wilc_debugfs_init); - -static void __exit wilc_debugfs_remove(void) -{ - debugfs_remove_recursive(wilc_dir); -} -module_exit(wilc_debugfs_remove); - -#endif |