ath79: remove unused TP-Link partition parser

This parser was added with the target, but no device seems to use it
currently, as all partitions are specified in the device-tree.

Signed-off-by: David Bauer <mail@david-bauer.net>

1 files changed, 0 insertions, 250 deletions

diff --git a/target/linux/ath79/patches-4.19/405-mtd-tp-link-partition-parser.patch b/target/linux/ath79/patches-4.19/405-mtd-tp-link-partition-parser.patch
deleted file mode 100644
index d65bf663b5..0000000000
--- a/target/linux/ath79/patches-4.19/405-mtd-tp-link-partition-parser.patch
+++ /dev/null
@@ -1,250 +0,0 @@
---- a/drivers/mtd/Kconfig
-+++ b/drivers/mtd/Kconfig
-@@ -193,6 +193,12 @@ config MTD_MYLOADER_PARTS
- 	  You will still need the parsing functions to be called by the driver
- 	  for your particular device. It won't happen automatically.
- 
-+config MTD_TPLINK_PARTS
-+	tristate "TP-Link AR7XXX/AR9XXX partitioning support"
-+	depends on ATH79
-+	---help---
-+	  TBD.
-+
- comment "User Modules And Translation Layers"
- 
- #
---- a/drivers/mtd/Makefile
-+++ b/drivers/mtd/Makefile
-@@ -18,6 +18,7 @@ obj-$(CONFIG_MTD_BCM63XX_PARTS)	+= bcm63
- obj-$(CONFIG_MTD_BCM47XX_PARTS)	+= bcm47xxpart.o
- obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o
- obj-y				+= parsers/
-+obj-$(CONFIG_MTD_TPLINK_PARTS)	+= tplinkpart.o
- 
- # 'Users' - code which presents functionality to userspace.
- obj-$(CONFIG_MTD_BLKDEVS)	+= mtd_blkdevs.o
---- /dev/null
-+++ b/drivers/mtd/tplinkpart.c
-@@ -0,0 +1,222 @@
-+/*
-+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published
-+ * by the Free Software Foundation.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/slab.h>
-+#include <linux/vmalloc.h>
-+#include <linux/magic.h>
-+
-+#include <linux/mtd/mtd.h>
-+#include <linux/mtd/partitions.h>
-+#include <linux/version.h>
-+
-+#define TPLINK_NUM_PARTS	5
-+#define TPLINK_HEADER_V1	0x01000000
-+#define TPLINK_HEADER_V2	0x02000000
-+#define MD5SUM_LEN		16
-+
-+#define TPLINK_ART_LEN		0x10000
-+#define TPLINK_KERNEL_OFFS	0x20000
-+#define TPLINK_64K_KERNEL_OFFS	0x10000
-+
-+struct tplink_fw_header {
-+	uint32_t	version;	/* header version */
-+	char		vendor_name[24];
-+	char		fw_version[36];
-+	uint32_t	hw_id;		/* hardware id */
-+	uint32_t	hw_rev;		/* hardware revision */
-+	uint32_t	unk1;
-+	uint8_t		md5sum1[MD5SUM_LEN];
-+	uint32_t	unk2;
-+	uint8_t		md5sum2[MD5SUM_LEN];
-+	uint32_t	unk3;
-+	uint32_t	kernel_la;	/* kernel load address */
-+	uint32_t	kernel_ep;	/* kernel entry point */
-+	uint32_t	fw_length;	/* total length of the firmware */
-+	uint32_t	kernel_ofs;	/* kernel data offset */
-+	uint32_t	kernel_len;	/* kernel data length */
-+	uint32_t	rootfs_ofs;	/* rootfs data offset */
-+	uint32_t	rootfs_len;	/* rootfs data length */
-+	uint32_t	boot_ofs;	/* bootloader data offset */
-+	uint32_t	boot_len;	/* bootloader data length */
-+	uint8_t		pad[360];
-+} __attribute__ ((packed));
-+
-+static struct tplink_fw_header *
-+tplink_read_header(struct mtd_info *mtd, size_t offset)
-+{
-+	struct tplink_fw_header *header;
-+	size_t header_len;
-+	size_t retlen;
-+	int ret;
-+	u32 t;
-+
-+	header = vmalloc(sizeof(*header));
-+	if (!header)
-+		goto err;
-+
-+	header_len = sizeof(struct tplink_fw_header);
-+	ret = mtd_read(mtd, offset, header_len, &retlen,
-+		       (unsigned char *) header);
-+	if (ret)
-+		goto err_free_header;
-+
-+	if (retlen != header_len)
-+		goto err_free_header;
-+
-+	/* sanity checks */
-+	t = be32_to_cpu(header->version);
-+	if ((t != TPLINK_HEADER_V1) && (t != TPLINK_HEADER_V2))
-+		goto err_free_header;
-+
-+	t = be32_to_cpu(header->kernel_ofs);
-+	if (t != header_len)
-+		goto err_free_header;
-+
-+	return header;
-+
-+err_free_header:
-+	vfree(header);
-+err:
-+	return NULL;
-+}
-+
-+static int tplink_check_rootfs_magic(struct mtd_info *mtd, size_t offset)
-+{
-+	u32 magic;
-+	size_t retlen;
-+	int ret;
-+
-+	ret = mtd_read(mtd, offset, sizeof(magic), &retlen,
-+		       (unsigned char *) &magic);
-+	if (ret)
-+		return ret;
-+
-+	if (retlen != sizeof(magic))
-+		return -EIO;
-+
-+	if (le32_to_cpu(magic) != SQUASHFS_MAGIC &&
-+	    magic != 0x19852003)
-+		return -EINVAL;
-+
-+	return 0;
-+}
-+
-+static int tplink_parse_partitions_offset(struct mtd_info *master,
-+				   const struct mtd_partition **pparts,
-+				   struct mtd_part_parser_data *data,
-+				   size_t offset)
-+{
-+	struct mtd_partition *parts;
-+	struct tplink_fw_header *header;
-+	int nr_parts;
-+	size_t art_offset;
-+	size_t rootfs_offset;
-+	size_t squashfs_offset;
-+	int ret;
-+
-+	nr_parts = TPLINK_NUM_PARTS;
-+	parts = kzalloc(nr_parts * sizeof(struct mtd_partition), GFP_KERNEL);
-+	if (!parts) {
-+		ret = -ENOMEM;
-+		goto err;
-+	}
-+
-+	header = tplink_read_header(master, offset);
-+	if (!header) {
-+		pr_notice("%s: no TP-Link header found\n", master->name);
-+		ret = -ENODEV;
-+		goto err_free_parts;
-+	}
-+
-+	squashfs_offset = offset + sizeof(struct tplink_fw_header) +
-+			  be32_to_cpu(header->kernel_len);
-+
-+	ret = tplink_check_rootfs_magic(master, squashfs_offset);
-+	if (ret == 0)
-+		rootfs_offset = squashfs_offset;
-+	else
-+		rootfs_offset = offset + be32_to_cpu(header->rootfs_ofs);
-+
-+	art_offset = master->size - TPLINK_ART_LEN;
-+
-+	parts[0].name = "u-boot";
-+	parts[0].offset = 0;
-+	parts[0].size = offset;
-+	parts[0].mask_flags = MTD_WRITEABLE;
-+
-+	parts[1].name = "kernel";
-+	parts[1].offset = offset;
-+	parts[1].size = rootfs_offset - offset;
-+
-+	parts[2].name = "rootfs";
-+	parts[2].offset = rootfs_offset;
-+	parts[2].size = art_offset - rootfs_offset;
-+
-+	parts[3].name = "art";
-+	parts[3].offset = art_offset;
-+	parts[3].size = TPLINK_ART_LEN;
-+	parts[3].mask_flags = MTD_WRITEABLE;
-+
-+	parts[4].name = "firmware";
-+	parts[4].offset = offset;
-+	parts[4].size = art_offset - offset;
-+
-+	vfree(header);
-+
-+	*pparts = parts;
-+	return nr_parts;
-+
-+err_free_parts:
-+	kfree(parts);
-+err:
-+	*pparts = NULL;
-+	return ret;
-+}
-+
-+static int tplink_parse_partitions(struct mtd_info *master,
-+				   const struct mtd_partition **pparts,
-+				   struct mtd_part_parser_data *data)
-+{
-+	return tplink_parse_partitions_offset(master, pparts, data,
-+		                              TPLINK_KERNEL_OFFS);
-+}
-+
-+static int tplink_parse_64k_partitions(struct mtd_info *master,
-+				   const struct mtd_partition **pparts,
-+				   struct mtd_part_parser_data *data)
-+{
-+	return tplink_parse_partitions_offset(master, pparts, data,
-+		                              TPLINK_64K_KERNEL_OFFS);
-+}
-+
-+static struct mtd_part_parser tplink_parser = {
-+	.owner		= THIS_MODULE,
-+	.parse_fn	= tplink_parse_partitions,
-+	.name		= "tp-link",
-+};
-+
-+static struct mtd_part_parser tplink_64k_parser = {
-+	.owner		= THIS_MODULE,
-+	.parse_fn	= tplink_parse_64k_partitions,
-+	.name		= "tp-link-64k",
-+};
-+
-+static int __init tplink_parser_init(void)
-+{
-+	register_mtd_parser(&tplink_parser);
-+	register_mtd_parser(&tplink_64k_parser);
-+
-+	return 0;
-+}
-+
-+module_init(tplink_parser_init);
-+
-+MODULE_LICENSE("GPL v2");
-+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");