EDAC: Add debugfs wrappers (4397bcb4) · Commits · 戴 / test

drivers/edac/debugfs.c

+60 −0

Original line number	Diff line number	Diff line
		@@ -101,3 +101,63 @@ nomem:
		debugfs_remove(mci->debugfs);
		return -ENOMEM;
		}

		/* Create a toplevel dir under EDAC's debugfs hierarchy */
		struct dentry edac_debugfs_create_dir(const char dirname)
		{
		if (!edac_debugfs)
		return NULL;

		return debugfs_create_dir(dirname, edac_debugfs);
		}
		EXPORT_SYMBOL_GPL(edac_debugfs_create_dir);

		/* Create a toplevel dir under EDAC's debugfs hierarchy with parent @parent */
		struct dentry *
		edac_debugfs_create_dir_at(const char dirname, struct dentry parent)
		{
		return debugfs_create_dir(dirname, parent);
		}
		EXPORT_SYMBOL_GPL(edac_debugfs_create_dir_at);

		/*
		* Create a file under EDAC's hierarchy or a sub-hierarchy:
		*
		* @name: file name
		* @mode: file permissions
		* @parent: parent dentry. If NULL, it becomes the toplevel EDAC dir
		* @data: private data of caller
		* @fops: file operations of this file
		*/
		struct dentry *
		edac_debugfs_create_file(const char name, umode_t mode, struct dentry parent,
		void data, const struct file_operations fops)
		{
		if (!parent)
		parent = edac_debugfs;

		return debugfs_create_file(name, mode, parent, data, fops);
		}
		EXPORT_SYMBOL_GPL(edac_debugfs_create_file);

		/* Wrapper for debugfs_create_x8() */
		struct dentry edac_debugfs_create_x8(const char name, umode_t mode,
		struct dentry parent, u8 value)
		{
		if (!parent)
		parent = edac_debugfs;

		return debugfs_create_x8(name, mode, parent, value);
		}
		EXPORT_SYMBOL_GPL(edac_debugfs_create_x8);

		/* Wrapper for debugfs_create_x16() */
		struct dentry edac_debugfs_create_x16(const char name, umode_t mode,
		struct dentry parent, u16 value)
		{
		if (!parent)
		parent = edac_debugfs;

		return debugfs_create_x16(name, mode, parent, value);
		}
		EXPORT_SYMBOL_GPL(edac_debugfs_create_x16);

drivers/edac/edac_module.h

+28 −6

Original line number	Diff line number	Diff line
		@@ -60,17 +60,39 @@ extern void edac_align_ptr(void *p, unsigned size, int n_elems);
		/*
		* EDAC debugfs functions
		*/

		#define edac_debugfs_remove_recursive debugfs_remove_recursive
		#define edac_debugfs_remove debugfs_remove
		#ifdef CONFIG_EDAC_DEBUG
		int edac_debugfs_init(void);
		void edac_debugfs_exit(void);
		int edac_create_debugfs_nodes(struct mem_ctl_info *mci);
		struct dentry edac_debugfs_create_dir(const char dirname);
		struct dentry *
		edac_debugfs_create_dir_at(const char dirname, struct dentry parent);
		struct dentry *
		edac_debugfs_create_file(const char name, umode_t mode, struct dentry parent,
		void data, const struct file_operations fops);
		struct dentry *
		edac_debugfs_create_x8(const char name, umode_t mode, struct dentry parent, u8 *value);
		struct dentry *
		edac_debugfs_create_x16(const char name, umode_t mode, struct dentry parent, u16 *value);
		#else
		static inline int edac_debugfs_init(void)
		{
		return -ENODEV;
		}
		static inline int edac_debugfs_init(void) { return -ENODEV; }
		static inline void edac_debugfs_exit(void) { }
		static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci) { return 0; }
		static inline struct dentry edac_debugfs_create_dir(const char dirname) { return NULL; }
		static inline struct dentry *
		edac_debugfs_create_dir_at(const char dirname, struct dentry parent) { return NULL; }
		static inline struct dentry *
		edac_debugfs_create_file(const char name, umode_t mode, struct dentry parent,
		void data, const struct file_operations fops) { return NULL; }
		static inline struct dentry *
		edac_debugfs_create_x8(const char *name, umode_t mode,
		struct dentry parent, u8 value) { return NULL; }
		static inline struct dentry *
		edac_debugfs_create_x16(const char *name, umode_t mode,
		struct dentry parent, u16 value) { return NULL; }
		#endif

		/*

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