openwrtv4/target/linux/pistachio/patches-4.14/401-mtd-nor-support-mtd-name-from-device-tree.patch
Koen Vandeputte faf0a460c4 kernel: bump 4.14 to 4.14.42
Refreshed all patches

Compile-tested on: cns3xxx, imx6, x86_64
Runtime-tested on: cns3xxx, imx6, x86_64

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2018-05-22 20:49:08 +02:00

34 lines
1.1 KiB
Diff

From f32bc2aa01edcba2f2ed5db151cf183eac9ef919 Mon Sep 17 00:00:00 2001
From: Abhimanyu Vishwakarma <Abhimanyu.Vishwakarma@imgtec.com>
Date: Sat, 25 Feb 2017 16:42:50 +0000
Subject: mtd: nor: support mtd name from device tree
Signed-off-by: Abhimanyu Vishwakarma <Abhimanyu.Vishwakarma@imgtec.com>
---
drivers/mtd/spi-nor/spi-nor.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -2651,6 +2651,7 @@ int spi_nor_scan(struct spi_nor *nor, co
struct device *dev = nor->dev;
struct mtd_info *mtd = &nor->mtd;
struct device_node *np = spi_nor_get_flash_node(nor);
+ const char __maybe_unused *of_mtd_name = NULL;
int ret;
int i;
@@ -2726,7 +2727,12 @@ int spi_nor_scan(struct spi_nor *nor, co
spi_nor_wait_till_ready(nor);
}
- if (!mtd->name)
+#ifdef CONFIG_MTD_OF_PARTS
+ of_property_read_string(np, "linux,mtd-name", &of_mtd_name);
+#endif
+ if (of_mtd_name)
+ mtd->name = of_mtd_name;
+ else if (!mtd->name)
mtd->name = dev_name(dev);
mtd->priv = nor;
mtd->type = MTD_NORFLASH;