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-rw-r--r--target/linux/ath79/patches-6.6/400-mtd-nor-support-mtd-name-from-device-tree.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-6.6/400-mtd-nor-support-mtd-name-from-device-tree.patch b/target/linux/ath79/patches-6.6/400-mtd-nor-support-mtd-name-from-device-tree.patch
new file mode 100644
index 0000000000..ebb240d4ae
--- /dev/null
+++ b/target/linux/ath79/patches-6.6/400-mtd-nor-support-mtd-name-from-device-tree.patch
@@ -0,0 +1,53 @@
+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
+@@ -2964,12 +2964,19 @@ static void spi_nor_set_mtd_info(struct
+ {
+ struct mtd_info *mtd = &nor->mtd;
+ struct device *dev = nor->dev;
++ struct device_node *np = spi_nor_get_flash_node(nor);
++ const char __maybe_unused *of_mtd_name = NULL;
+
+ spi_nor_set_mtd_locking_ops(nor);
+ spi_nor_set_mtd_otp_ops(nor);
+
+ mtd->dev.parent = dev;
+- 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->type = MTD_NORFLASH;
+ mtd->flags = MTD_CAP_NORFLASH;
+--- a/drivers/mtd/mtdcore.c
++++ b/drivers/mtd/mtdcore.c
+@@ -863,6 +863,17 @@ 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;