openwrt/target/linux/ath79/patches-5.15/400-mtd-nor-support-mtd-name-from-device-tree.patch
Shiji Yang c60dd7bef9 ath79: rename and sort patches by OpenWrt naming rules
The patches in the ath79 target have not been sorted for a long time
and they are very chaotic now. This patch sorts them again according
to the OpenWrt naming rules[1], so that we can better manage them.

[1] https://openwrt.org/docs/guide-developer/toolchain/use-patches-with-buildsystem#naming_patches

Signed-off-by: Shiji Yang <yangshiji66@qq.com>
2023-09-08 18:06:30 +02:00

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
@@ -3107,6 +3107,7 @@ 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;
@@ -3161,7 +3162,12 @@ 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
@@ -847,6 +847,17 @@ 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;