linux-kernel - [PATCH 2/2] mtd: core: Remove partid and partname debugfs files

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Date:   Fri, 17 Dec 2021 14:26:36 +0200
From:   Tudor Ambarus <tudor.ambarus@...rochip.com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <zhuohao@...omium.org>, <p.yadav@...com>, <michael@...le.cc>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        "Tudor Ambarus" <tudor.ambarus@...rochip.com>
Subject: [PATCH 2/2] mtd: core: Remove partid and partname debugfs files

partid and partname debugfs file are no longer used in mtd, remove
dead code.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
 drivers/mtd/mtdcore.c   | 35 +----------------------------------
 include/linux/mtd/mtd.h |  3 ---
 2 files changed, 1 insertion(+), 37 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 9186268d361b..1977755fc955 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -336,49 +336,16 @@ static const struct device_type mtd_devtype = {
 	.release	= mtd_release,
 };
 
-static int mtd_partid_debug_show(struct seq_file *s, void *p)
-{
-	struct mtd_info *mtd = s->private;
-
-	seq_printf(s, "%s\n", mtd->dbg.partid);
-
-	return 0;
-}
-
-DEFINE_SHOW_ATTRIBUTE(mtd_partid_debug);
-
-static int mtd_partname_debug_show(struct seq_file *s, void *p)
-{
-	struct mtd_info *mtd = s->private;
-
-	seq_printf(s, "%s\n", mtd->dbg.partname);
-
-	return 0;
-}
-
-DEFINE_SHOW_ATTRIBUTE(mtd_partname_debug);
-
 static struct dentry *dfs_dir_mtd;
 
 static void mtd_debugfs_populate(struct mtd_info *mtd)
 {
-	struct mtd_info *master = mtd_get_master(mtd);
 	struct device *dev = &mtd->dev;
-	struct dentry *root;
 
 	if (IS_ERR_OR_NULL(dfs_dir_mtd))
 		return;
 
-	root = debugfs_create_dir(dev_name(dev), dfs_dir_mtd);
-	mtd->dbg.dfs_dir = root;
-
-	if (master->dbg.partid)
-		debugfs_create_file("partid", 0400, root, master,
-				    &mtd_partid_debug_fops);
-
-	if (master->dbg.partname)
-		debugfs_create_file("partname", 0400, root, master,
-				    &mtd_partname_debug_fops);
+	mtd->dbg.dfs_dir = debugfs_create_dir(dev_name(dev), dfs_dir_mtd);
 }
 
 #ifndef CONFIG_MMU
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index f5e7dfc2e4e9..00cb269d0261 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -188,9 +188,6 @@ struct module;	/* only needed for owner field in mtd_info */
  */
 struct mtd_debug_info {
 	struct dentry *dfs_dir;
-
-	const char *partname;
-	const char *partid;
 };
 
 /**
-- 
2.25.1