mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-13 18:34:53 +00:00
d33e49857e
This DT property allows marking flash partition that Linux should use as a root device. It's useful for devices that don't use U-Boot and cmdline parser for partitioning. It may be used with "fixed-partitions" or some dynamic partitioning based on flash content. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
55 lines
1.6 KiB
Diff
55 lines
1.6 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/core.c
|
|
+++ b/drivers/mtd/spi-nor/core.c
|
|
@@ -3141,6 +3141,7 @@ 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;
|
|
|
|
@@ -3195,7 +3196,12 @@ int spi_nor_scan(struct spi_nor *nor, co
|
|
if (ret)
|
|
return ret;
|
|
|
|
- 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;
|
|
--- a/drivers/mtd/mtdcore.c
|
|
+++ b/drivers/mtd/mtdcore.c
|
|
@@ -848,6 +848,17 @@ out_error:
|
|
*/
|
|
static void mtd_set_dev_defaults(struct mtd_info *mtd)
|
|
{
|
|
+#ifdef CONFIG_MTD_OF_PARTS
|
|
+ const char __maybe_unused *of_mtd_name = NULL;
|
|
+ struct device_node *np;
|
|
+
|
|
+ np = mtd_get_of_node(mtd);
|
|
+ if (np && !mtd->name) {
|
|
+ of_property_read_string(np, "linux,mtd-name", &of_mtd_name);
|
|
+ if (of_mtd_name)
|
|
+ mtd->name = of_mtd_name;
|
|
+ } else
|
|
+#endif
|
|
if (mtd->dev.parent) {
|
|
if (!mtd->owner && mtd->dev.parent->driver)
|
|
mtd->owner = mtd->dev.parent->driver->owner;
|