#include <linux/slab.h>
#include <linux/reboot.h>
#include <linux/leds.h>
+#include <linux/debugfs.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
};
ATTRIBUTE_GROUPS(mtd);
-static struct device_type mtd_devtype = {
+static const struct device_type mtd_devtype = {
.name = "mtd",
.groups = mtd_groups,
.release = mtd_release,
}
EXPORT_SYMBOL_GPL(mtd_pairing_groups);
+static struct dentry *dfs_dir_mtd;
+
/**
* add_mtd_device - register an MTD device
* @mtd: pointer to new MTD device info structure
if (error)
goto fail_added;
+ if (!IS_ERR_OR_NULL(dfs_dir_mtd)) {
+ mtd->dbg.dfs_dir = debugfs_create_dir(dev_name(&mtd->dev), dfs_dir_mtd);
+ if (IS_ERR_OR_NULL(mtd->dbg.dfs_dir)) {
+ pr_debug("mtd device %s won't show data in debugfs\n",
+ dev_name(&mtd->dev));
+ }
+ }
+
device_create(&mtd_class, mtd->dev.parent, MTD_DEVT(i) + 1, NULL,
"mtd%dro", i);
mutex_lock(&mtd_table_mutex);
+ debugfs_remove_recursive(mtd->dbg.dfs_dir);
+
if (idr_find(&mtd_idr, mtd->index) != mtd) {
ret = -ENODEV;
goto out_error;
if (ret)
goto out_procfs;
+ dfs_dir_mtd = debugfs_create_dir("mtd", NULL);
+
return 0;
out_procfs:
static void __exit cleanup_mtd(void)
{
+ debugfs_remove_recursive(dfs_dir_mtd);
cleanup_mtdchar();
if (proc_mtd)
remove_proc_entry("mtd", NULL);