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author | John Crispin <john@phrozen.org> | 2016-12-25 20:11:34 +0100 |
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committer | John Crispin <john@phrozen.org> | 2017-08-05 08:46:36 +0200 |
commit | 74d00a8c3849c1340efd713eb94b786e304c201f (patch) | |
tree | de481743de61c34da96ab5f9dba3af3edcfb8260 /target/linux/generic/patches-4.9/065-v4.13-0008-mtd-extract-TRX-parser-out-of-bcm47xxpart-into-a-sep.patch | |
parent | de350550ef648d9728351b986b0516fa29465c45 (diff) | |
download | upstream-74d00a8c3849c1340efd713eb94b786e304c201f.tar.gz upstream-74d00a8c3849c1340efd713eb94b786e304c201f.tar.bz2 upstream-74d00a8c3849c1340efd713eb94b786e304c201f.zip |
kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused
Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'target/linux/generic/patches-4.9/065-v4.13-0008-mtd-extract-TRX-parser-out-of-bcm47xxpart-into-a-sep.patch')
-rw-r--r-- | target/linux/generic/patches-4.9/065-v4.13-0008-mtd-extract-TRX-parser-out-of-bcm47xxpart-into-a-sep.patch | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/target/linux/generic/patches-4.9/065-v4.13-0008-mtd-extract-TRX-parser-out-of-bcm47xxpart-into-a-sep.patch b/target/linux/generic/patches-4.9/065-v4.13-0008-mtd-extract-TRX-parser-out-of-bcm47xxpart-into-a-sep.patch deleted file mode 100644 index 3761a46610..0000000000 --- a/target/linux/generic/patches-4.9/065-v4.13-0008-mtd-extract-TRX-parser-out-of-bcm47xxpart-into-a-sep.patch +++ /dev/null @@ -1,320 +0,0 @@ -From 99352afe8f169c95b294b6b9a8d0e18cd9e3c2a0 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Wed, 21 Jun 2017 08:26:47 +0200 -Subject: [PATCH] mtd: extract TRX parser out of bcm47xxpart into a separated - module -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This makes TRX parsing code reusable with other platforms and parsers. - -Please note this patch doesn't really change anything in the existing -code, just moves it. There is still some place for improvement (e.g. -working on non-hacky method of checking rootfs format) but it's not -really a subject of this change. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - drivers/mtd/Kconfig | 4 ++ - drivers/mtd/Makefile | 1 + - drivers/mtd/bcm47xxpart.c | 99 ++---------------------------- - drivers/mtd/parsers/Kconfig | 8 +++ - drivers/mtd/parsers/Makefile | 1 + - drivers/mtd/parsers/parser_trx.c | 126 +++++++++++++++++++++++++++++++++++++++ - 6 files changed, 145 insertions(+), 94 deletions(-) - create mode 100644 drivers/mtd/parsers/Kconfig - create mode 100644 drivers/mtd/parsers/Makefile - create mode 100644 drivers/mtd/parsers/parser_trx.c - ---- a/drivers/mtd/Kconfig -+++ b/drivers/mtd/Kconfig -@@ -155,6 +155,10 @@ config MTD_BCM47XX_PARTS - This provides partitions parser for devices based on BCM47xx - boards. - -+menu "Partition parsers" -+source "drivers/mtd/parsers/Kconfig" -+endmenu -+ - comment "User Modules And Translation Layers" - - # ---- a/drivers/mtd/Makefile -+++ b/drivers/mtd/Makefile -@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o - obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o - obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o - obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o -+obj-y += parsers/ - - # 'Users' - code which presents functionality to userspace. - obj-$(CONFIG_MTD_BLKDEVS) += mtd_blkdevs.o ---- a/drivers/mtd/bcm47xxpart.c -+++ b/drivers/mtd/bcm47xxpart.c -@@ -43,7 +43,8 @@ - #define ML_MAGIC2 0x26594131 - #define TRX_MAGIC 0x30524448 - #define SHSQ_MAGIC 0x71736873 /* shsq (weird ZTE H218N endianness) */ --#define UBI_EC_MAGIC 0x23494255 /* UBI# */ -+ -+static const char * const trx_types[] = { "trx", NULL }; - - struct trx_header { - uint32_t magic; -@@ -62,89 +63,6 @@ static void bcm47xxpart_add_part(struct - part->mask_flags = mask_flags; - } - --static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master, -- size_t offset) --{ -- uint32_t buf; -- size_t bytes_read; -- int err; -- -- err = mtd_read(master, offset, sizeof(buf), &bytes_read, -- (uint8_t *)&buf); -- if (err && !mtd_is_bitflip(err)) { -- pr_err("mtd_read error while parsing (offset: 0x%X): %d\n", -- offset, err); -- goto out_default; -- } -- -- if (buf == UBI_EC_MAGIC) -- return "ubi"; -- --out_default: -- return "rootfs"; --} -- --static int bcm47xxpart_parse_trx(struct mtd_info *master, -- struct mtd_partition *trx, -- struct mtd_partition *parts, -- size_t parts_len) --{ -- struct trx_header header; -- size_t bytes_read; -- int curr_part = 0; -- int i, err; -- -- if (parts_len < 3) { -- pr_warn("No enough space to add TRX partitions!\n"); -- return -ENOMEM; -- } -- -- err = mtd_read(master, trx->offset, sizeof(header), &bytes_read, -- (uint8_t *)&header); -- if (err && !mtd_is_bitflip(err)) { -- pr_err("mtd_read error while reading TRX header: %d\n", err); -- return err; -- } -- -- i = 0; -- -- /* We have LZMA loader if offset[2] points to sth */ -- if (header.offset[2]) { -- bcm47xxpart_add_part(&parts[curr_part++], "loader", -- trx->offset + header.offset[i], 0); -- i++; -- } -- -- if (header.offset[i]) { -- bcm47xxpart_add_part(&parts[curr_part++], "linux", -- trx->offset + header.offset[i], 0); -- i++; -- } -- -- if (header.offset[i]) { -- size_t offset = trx->offset + header.offset[i]; -- const char *name = bcm47xxpart_trx_data_part_name(master, -- offset); -- -- bcm47xxpart_add_part(&parts[curr_part++], name, offset, 0); -- i++; -- } -- -- /* -- * Assume that every partition ends at the beginning of the one it is -- * followed by. -- */ -- for (i = 0; i < curr_part; i++) { -- u64 next_part_offset = (i < curr_part - 1) ? -- parts[i + 1].offset : -- trx->offset + trx->size; -- -- parts[i].size = next_part_offset - parts[i].offset; -- } -- -- return curr_part; --} -- - /** - * bcm47xxpart_bootpartition - gets index of TRX partition used by bootloader - * -@@ -362,17 +280,10 @@ static int bcm47xxpart_parse(struct mtd_ - for (i = 0; i < trx_num; i++) { - struct mtd_partition *trx = &parts[trx_parts[i]]; - -- if (i == bcm47xxpart_bootpartition()) { -- int num_parts; -- -- num_parts = bcm47xxpart_parse_trx(master, trx, -- parts + curr_part, -- BCM47XXPART_MAX_PARTS - curr_part); -- if (num_parts > 0) -- curr_part += num_parts; -- } else { -+ if (i == bcm47xxpart_bootpartition()) -+ trx->types = trx_types; -+ else - trx->name = "failsafe"; -- } - } - - *pparts = parts; ---- /dev/null -+++ b/drivers/mtd/parsers/Kconfig -@@ -0,0 +1,8 @@ -+config MTD_PARSER_TRX -+ tristate "Parser for TRX format partitions" -+ depends on MTD && (BCM47XX || ARCH_BCM_5301X || COMPILE_TEST) -+ help -+ TRX is a firmware format used by Broadcom on their devices. It -+ may contain up to 3/4 partitions (depending on the version). -+ This driver will parse TRX header and report at least two partitions: -+ kernel and rootfs. ---- /dev/null -+++ b/drivers/mtd/parsers/Makefile -@@ -0,0 +1 @@ -+obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o ---- /dev/null -+++ b/drivers/mtd/parsers/parser_trx.c -@@ -0,0 +1,126 @@ -+/* -+ * Parser for TRX format partitions -+ * -+ * Copyright (C) 2012 - 2017 Rafał Miłecki <rafal@milecki.pl> -+ * -+ * 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/module.h> -+#include <linux/slab.h> -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/partitions.h> -+ -+#define TRX_PARSER_MAX_PARTS 4 -+ -+/* Magics */ -+#define TRX_MAGIC 0x30524448 -+#define UBI_EC_MAGIC 0x23494255 /* UBI# */ -+ -+struct trx_header { -+ uint32_t magic; -+ uint32_t length; -+ uint32_t crc32; -+ uint16_t flags; -+ uint16_t version; -+ uint32_t offset[3]; -+} __packed; -+ -+static const char *parser_trx_data_part_name(struct mtd_info *master, -+ size_t offset) -+{ -+ uint32_t buf; -+ size_t bytes_read; -+ int err; -+ -+ err = mtd_read(master, offset, sizeof(buf), &bytes_read, -+ (uint8_t *)&buf); -+ if (err && !mtd_is_bitflip(err)) { -+ pr_err("mtd_read error while parsing (offset: 0x%X): %d\n", -+ offset, err); -+ goto out_default; -+ } -+ -+ if (buf == UBI_EC_MAGIC) -+ return "ubi"; -+ -+out_default: -+ return "rootfs"; -+} -+ -+static int parser_trx_parse(struct mtd_info *mtd, -+ const struct mtd_partition **pparts, -+ struct mtd_part_parser_data *data) -+{ -+ struct mtd_partition *parts; -+ struct mtd_partition *part; -+ struct trx_header trx; -+ size_t bytes_read; -+ uint8_t curr_part = 0, i = 0; -+ int err; -+ -+ parts = kzalloc(sizeof(struct mtd_partition) * TRX_PARSER_MAX_PARTS, -+ GFP_KERNEL); -+ if (!parts) -+ return -ENOMEM; -+ -+ err = mtd_read(mtd, 0, sizeof(trx), &bytes_read, (uint8_t *)&trx); -+ if (err) { -+ pr_err("MTD reading error: %d\n", err); -+ kfree(parts); -+ return err; -+ } -+ -+ if (trx.magic != TRX_MAGIC) { -+ kfree(parts); -+ return -ENOENT; -+ } -+ -+ /* We have LZMA loader if there is address in offset[2] */ -+ if (trx.offset[2]) { -+ part = &parts[curr_part++]; -+ part->name = "loader"; -+ part->offset = trx.offset[i]; -+ i++; -+ } -+ -+ if (trx.offset[i]) { -+ part = &parts[curr_part++]; -+ part->name = "linux"; -+ part->offset = trx.offset[i]; -+ i++; -+ } -+ -+ if (trx.offset[i]) { -+ part = &parts[curr_part++]; -+ part->name = parser_trx_data_part_name(mtd, trx.offset[i]); -+ part->offset = trx.offset[i]; -+ i++; -+ } -+ -+ /* -+ * Assume that every partition ends at the beginning of the one it is -+ * followed by. -+ */ -+ for (i = 0; i < curr_part; i++) { -+ u64 next_part_offset = (i < curr_part - 1) ? -+ parts[i + 1].offset : mtd->size; -+ -+ parts[i].size = next_part_offset - parts[i].offset; -+ } -+ -+ *pparts = parts; -+ return i; -+}; -+ -+static struct mtd_part_parser mtd_parser_trx = { -+ .parse_fn = parser_trx_parse, -+ .name = "trx", -+}; -+module_mtd_part_parser(mtd_parser_trx); -+ -+MODULE_LICENSE("GPL v2"); -+MODULE_DESCRIPTION("Parser for TRX format partitions"); |