From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/watchdog/mei_wdt.c | 34 ++++++++--------------------------
1 files changed, 8 insertions(+), 26 deletions(-)
diff --git a/kernel/drivers/watchdog/mei_wdt.c b/kernel/drivers/watchdog/mei_wdt.c
index c862dd3..c5967d8 100644
--- a/kernel/drivers/watchdog/mei_wdt.c
+++ b/kernel/drivers/watchdog/mei_wdt.c
@@ -385,10 +385,8 @@
watchdog_stop_on_unregister(&wdt->wdd);
ret = watchdog_register_device(&wdt->wdd);
- if (ret) {
- dev_err(dev, "unable to register watchdog device = %d.\n", ret);
+ if (ret)
watchdog_set_drvdata(&wdt->wdd, NULL);
- }
wdt->state = MEI_WDT_IDLE;
@@ -540,38 +538,23 @@
wdt->dbgfs_dir = NULL;
}
-static int dbgfs_register(struct mei_wdt *wdt)
+static void dbgfs_register(struct mei_wdt *wdt)
{
- struct dentry *dir, *f;
+ struct dentry *dir;
dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
- if (!dir)
- return -ENOMEM;
-
wdt->dbgfs_dir = dir;
- f = debugfs_create_file("state", S_IRUSR, dir, wdt, &dbgfs_fops_state);
- if (!f)
- goto err;
- f = debugfs_create_file("activation", S_IRUSR,
- dir, wdt, &dbgfs_fops_activation);
- if (!f)
- goto err;
+ debugfs_create_file("state", S_IRUSR, dir, wdt, &dbgfs_fops_state);
- return 0;
-err:
- dbgfs_unregister(wdt);
- return -ENODEV;
+ debugfs_create_file("activation", S_IRUSR, dir, wdt,
+ &dbgfs_fops_activation);
}
#else
static inline void dbgfs_unregister(struct mei_wdt *wdt) {}
-
-static inline int dbgfs_register(struct mei_wdt *wdt)
-{
- return 0;
-}
+static inline void dbgfs_register(struct mei_wdt *wdt) {}
#endif /* CONFIG_DEBUG_FS */
static int mei_wdt_probe(struct mei_cl_device *cldev,
@@ -624,8 +607,7 @@
if (ret)
goto err_disable;
- if (dbgfs_register(wdt))
- dev_warn(&cldev->dev, "cannot register debugfs\n");
+ dbgfs_register(wdt);
return 0;
--
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