openwrt/target/linux/ath79/patches-5.10/401-mtd-nor-support-mtd-name-from-device-tree.patch
John Audia d4aad642ff kernel: bump 5.10 to 5.10.173
Manually rebased:
        ramips/patches-5.10/810-uvc-add-iPassion-iP2970-support.patch

All other patches automatically rebased.

Signed-off-by: John Audia <therealgraysky@proton.me>
2023-03-20 22:44:28 +01:00

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
@@ -3152,6 +3152,7 @@ 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;
@@ -3206,7 +3207,12 @@ 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
@@ -850,6 +850,17 @@ 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;