diff options
Diffstat (limited to 'target/linux/ath79/patches-6.6/400-mtd-nor-support-mtd-name-from-device-tree.patch')
-rw-r--r-- | target/linux/ath79/patches-6.6/400-mtd-nor-support-mtd-name-from-device-tree.patch | 53 |
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; |