kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 69 deletions

diff --git a/target/linux/generic/pending-5.4/491-ubi-auto-create-ubiblock-device-for-rootfs.patch b/target/linux/generic/pending-5.4/491-ubi-auto-create-ubiblock-device-for-rootfs.patch
deleted file mode 100644
index a2b48fd4fc..0000000000
--- a/target/linux/generic/pending-5.4/491-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.