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, 59 deletions

diff --git a/target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch b/target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch
deleted file mode 100644
index ff9d6b0005..0000000000
--- a/target/linux/bcm53xx/patches-5.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-From 2a2af518266a29323cf30c3f9ba9ef2ceb1dd84b Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Thu, 16 Oct 2014 20:52:16 +0200
-Subject: [PATCH] UBI: Detect EOF mark and erase all remaining blocks
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
----
- drivers/mtd/ubi/attach.c | 5 +++++
- drivers/mtd/ubi/io.c     | 4 ++++
- drivers/mtd/ubi/ubi.h    | 1 +
- 3 files changed, 10 insertions(+)
-
---- a/drivers/mtd/ubi/attach.c
-+++ b/drivers/mtd/ubi/attach.c
-@@ -82,6 +82,9 @@ static int self_check_ai(struct ubi_devi
- #define AV_ADD		BIT(1)
- #define AV_FIND_OR_ADD	(AV_FIND | AV_ADD)
- 
-+/* Set on finding block with 0xdeadc0de, indicates erasing all blocks behind */
-+bool erase_all_next;
-+
- /**
-  * find_or_add_av - internal function to find a volume, add a volume or do
-  *		    both (find and add if missing).
-@@ -1580,6 +1583,8 @@ int ubi_attach(struct ubi_device *ubi, i
- 	if (!ai)
- 		return -ENOMEM;
- 
-+	erase_all_next = false;
-+
- #ifdef CONFIG_MTD_UBI_FASTMAP
- 	/* On small flash devices we disable fastmap in any case. */
- 	if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) {
---- a/drivers/mtd/ubi/io.c
-+++ b/drivers/mtd/ubi/io.c
-@@ -710,6 +710,10 @@ int ubi_io_read_ec_hdr(struct ubi_device
- 	}
- 
- 	magic = be32_to_cpu(ec_hdr->magic);
-+	if (magic == 0xdeadc0de)
-+		erase_all_next = true;
-+	if (erase_all_next)
-+		return read_err ? UBI_IO_FF_BITFLIPS : UBI_IO_FF;
- 	if (magic != UBI_EC_HDR_MAGIC) {
- 		if (mtd_is_eccerr(read_err))
- 			return UBI_IO_BAD_HDR_EBADMSG;
---- a/drivers/mtd/ubi/ubi.h
-+++ b/drivers/mtd/ubi/ubi.h
-@@ -822,6 +822,7 @@ extern struct mutex ubi_devices_mutex;
- extern struct blocking_notifier_head ubi_notifiers;
- 
- /* attach.c */
-+extern bool erase_all_next;
- struct ubi_ainf_peb *ubi_alloc_aeb(struct ubi_attach_info *ai, int pnum,
- 				   int ec);
- void ubi_free_aeb(struct ubi_attach_info *ai, struct ubi_ainf_peb *aeb);