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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>
This commit is contained in:
Cédric Le Goater 2017-02-09 10:21:07 +01:00 committed by Brian Norris
parent 398d8739bb
commit 28309572aa
1 changed files with 3 additions and 0 deletions
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3
include/linux/mtd/mtd.h
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@ -24,6 +24,7 @@
#include <linux/uio.h> #include <linux/uio.h>
#include <linux/notifier.h> #include <linux/notifier.h>
#include <linux/device.h> #include <linux/device.h>
#include <linux/of.h>
#include <mtd/mtd-abi.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) struct device_node *np)
{ {
mtd->dev.of_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) static inline struct device_node *mtd_get_of_node(struct mtd_info *mtd)