diff options
Diffstat (limited to 'target/linux/generic/pending-5.10/491-ubi-auto-create-ubiblock-device-for-rootfs.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/491-ubi-auto-create-ubiblock-device-for-rootfs.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/target/linux/generic/pending-5.10/491-ubi-auto-create-ubiblock-device-for-rootfs.patch b/target/linux/generic/pending-5.10/491-ubi-auto-create-ubiblock-device-for-rootfs.patch deleted file mode 100644 index a2b48fd4fc..0000000000 --- a/target/linux/generic/pending-5.10/491-ubi-auto-create-ubiblock-device-for-rootfs.patch +++ /dev/null @@ -1,69 +0,0 @@ -From: Daniel Golle <daniel@makrotopia.org> -Subject: ubi: auto-create ubiblock device for rootfs - -Signed-off-by: Daniel Golle <daniel@makrotopia.org> ---- - drivers/mtd/ubi/block.c | 42 ++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 42 insertions(+) - ---- a/drivers/mtd/ubi/block.c -+++ b/drivers/mtd/ubi/block.c -@@ -652,6 +652,47 @@ static void __init ubiblock_create_from_ - } - } - -+#define UBIFS_NODE_MAGIC 0x06101831 -+static inline int ubi_vol_is_ubifs(struct ubi_volume_desc *desc) -+{ -+ int ret; -+ uint32_t magic_of, magic; -+ ret = ubi_read(desc, 0, (char *)&magic_of, 0, 4); -+ if (ret) -+ return 0; -+ magic = le32_to_cpu(magic_of); -+ return magic == UBIFS_NODE_MAGIC; -+} -+ -+static void __init ubiblock_create_auto_rootfs(void) -+{ -+ int ubi_num, ret, is_ubifs; -+ struct ubi_volume_desc *desc; -+ struct ubi_volume_info vi; -+ -+ for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++) { -+ desc = ubi_open_volume_nm(ubi_num, "rootfs", UBI_READONLY); -+ if (IS_ERR(desc)) -+ desc = ubi_open_volume_nm(ubi_num, "fit", UBI_READONLY);; -+ -+ if (IS_ERR(desc)) -+ continue; -+ -+ ubi_get_volume_info(desc, &vi); -+ is_ubifs = ubi_vol_is_ubifs(desc); -+ ubi_close_volume(desc); -+ if (is_ubifs) -+ break; -+ -+ ret = ubiblock_create(&vi); -+ if (ret) -+ pr_err("UBI error: block: can't add '%s' volume, err=%d\n", -+ vi.name, ret); -+ /* always break if we get here */ -+ break; -+ } -+} -+ - static void ubiblock_remove_all(void) - { - struct ubiblock *next; -@@ -684,6 +725,10 @@ int __init ubiblock_init(void) - */ - ubiblock_create_from_param(); - -+ /* auto-attach "rootfs" volume if existing and non-ubifs */ -+ if (IS_ENABLED(CONFIG_MTD_ROOTFS_ROOT_DEV)) -+ ubiblock_create_auto_rootfs(); -+ - /* - * Block devices are only created upon user requests, so we ignore - * existing volumes. |