From 28309572aac4c632666053dc8bf9906a3594b8d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@kaod.org>
Date: Thu, 9 Feb 2017 10:21:07 +0100
Subject: [PATCH] mtd: name the mtd device with an optional label property
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This can be used to easily identify a specific chip on a system with
multiple chips.
Suggested-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
include/linux/mtd/mtd.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 5bb42c6dacdc..eebdc63cf6af 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -24,6 +24,7 @@
#include <linux/uio.h>
#include <linux/notifier.h>
#include <linux/device.h>
+#include <linux/of.h>
#include <mtd/mtd-abi.h>
@@ -386,6 +387,8 @@ static inline void mtd_set_of_node(struct mtd_info *mtd,
struct device_node *np)
{
mtd->dev.of_node = np;
+ if (!mtd->name)
+ of_property_read_string(np, "label", &mtd->name);
}
static inline struct device_node *mtd_get_of_node(struct mtd_info *mtd)