kernel: remove support for kernel 4.19

We use 5.4 on all targets by default, and 4.19 has never been released
in a stable version. There is no reason to keep it.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 59 deletions

diff --git a/target/linux/bcm53xx/patches-4.19/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch b/target/linux/bcm53xx/patches-4.19/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch
deleted file mode 100644
index 6d7a45f7ba..0000000000
--- a/target/linux/bcm53xx/patches-4.19/500-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
-@@ -95,6 +95,9 @@ 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).
-@@ -1592,6 +1595,8 @@ 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
-@@ -723,6 +723,10 @@ 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
-@@ -833,6 +833,7 @@ 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);