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- From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <[email protected]>
- Date: Mon, 7 Nov 2022 23:48:24 +0100
- Subject: [PATCH] mtd: support OpenWrt's MTD_ROOTFS_ROOT_DEV
- MIME-Version: 1.0
- Content-Type: text/plain; charset=UTF-8
- Content-Transfer-Encoding: 8bit
- This allows setting ROOT_DEV to MTD partition named "rootfs".
- Signed-off-by: Rafał Miłecki <[email protected]>
- ---
- --- a/drivers/mtd/mtdcore.c
- +++ b/drivers/mtd/mtdcore.c
- @@ -784,7 +784,8 @@ int add_mtd_device(struct mtd_info *mtd)
-
- mutex_unlock(&mtd_table_mutex);
-
- - if (of_find_property(mtd_get_of_node(mtd), "linux,rootfs", NULL)) {
- + if (of_find_property(mtd_get_of_node(mtd), "linux,rootfs", NULL) ||
- + (IS_ENABLED(CONFIG_MTD_ROOTFS_ROOT_DEV) && !strcmp(mtd->name, "rootfs") && ROOT_DEV == 0)) {
- if (IS_BUILTIN(CONFIG_MTD)) {
- pr_info("mtd: setting mtd%d (%s) as root device\n", mtd->index, mtd->name);
- ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, mtd->index);
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