diff options
Diffstat (limited to 'target/linux/generic')
10 files changed, 133 insertions, 20 deletions
diff --git a/target/linux/generic/backport-4.14/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch b/target/linux/generic/backport-4.14/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch new file mode 100644 index 0000000000..7f90cf946a --- /dev/null +++ b/target/linux/generic/backport-4.14/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch @@ -0,0 +1,58 @@ +From 1186af457cc186c5ed01708da71b1ffbdf0a2638 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Tue, 20 Nov 2018 09:55:45 +0100 +Subject: [PATCH] mtd: keep original flags for every struct mtd_info +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +When allocating a new partition mtd subsystem runs internal tests in the +allocate_partition(). They may result in modifying specified flags (e.g. +dropping some /features/ like write access). + +Those constraints don't have to be necessary true for subpartitions. It +may happen parent partition isn't block aligned (effectively disabling +write access) while subpartition may fit blocks nicely. In such case all +checks should be run again (starting with original flags value). + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> +--- + drivers/mtd/mtdcore.c | 2 ++ + drivers/mtd/mtdpart.c | 3 ++- + include/linux/mtd/mtd.h | 1 + + 3 files changed, 5 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -650,6 +650,8 @@ static void mtd_set_dev_defaults(struct + } else { + pr_debug("mtd device won't show a device symlink in sysfs\n"); + } ++ ++ mtd->orig_flags = mtd->flags; + } + + /** +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -394,7 +394,8 @@ static struct mtd_part *allocate_partiti + + /* set up the MTD object for this partition */ + slave->mtd.type = parent->type; +- slave->mtd.flags = parent->flags & ~part->mask_flags; ++ slave->mtd.flags = parent->orig_flags & ~part->mask_flags; ++ slave->mtd.orig_flags = slave->mtd.flags; + slave->mtd.size = part->size; + slave->mtd.writesize = parent->writesize; + slave->mtd.writebufsize = parent->writebufsize; +--- a/include/linux/mtd/mtd.h ++++ b/include/linux/mtd/mtd.h +@@ -218,6 +218,7 @@ struct mtd_debug_info { + struct mtd_info { + u_char type; + uint32_t flags; ++ uint32_t orig_flags; /* Flags as before running mtd checks */ + uint64_t size; // Total size of the MTD + + /* "Major" erase size for the device. Naïve users may take this diff --git a/target/linux/generic/backport-4.14/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch b/target/linux/generic/backport-4.14/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch new file mode 100644 index 0000000000..58163e6935 --- /dev/null +++ b/target/linux/generic/backport-4.14/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch @@ -0,0 +1,55 @@ +From 6750f61a13a0197c40e4a40739117493b15f19e8 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Tue, 20 Nov 2018 10:24:09 +0100 +Subject: [PATCH] mtd: improve calculating partition boundaries when checking + for alignment +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +When checking for alignment mtd should check absolute offsets. It's +important for subpartitions as it doesn't make sense to check their +relative addresses. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> +--- + drivers/mtd/mtdpart.c | 13 +++++++++++-- + 1 file changed, 11 insertions(+), 2 deletions(-) + +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -61,6 +61,15 @@ static inline struct mtd_part *mtd_to_pa + return container_of(mtd, struct mtd_part, mtd); + } + ++static u64 part_absolute_offset(struct mtd_info *mtd) ++{ ++ struct mtd_part *part = mtd_to_part(mtd); ++ ++ if (!mtd_is_partition(mtd)) ++ return 0; ++ ++ return part_absolute_offset(part->parent) + part->offset; ++} + + /* + * MTD methods which simply translate the effective address and pass through +@@ -562,7 +571,7 @@ static struct mtd_part *allocate_partiti + if (!(slave->mtd.flags & MTD_NO_ERASE)) + wr_alignment = slave->mtd.erasesize; + +- tmp = slave->offset; ++ tmp = part_absolute_offset(parent) + slave->offset; + remainder = do_div(tmp, wr_alignment); + if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { + /* Doesn't start on a boundary of major erase size */ +@@ -573,7 +582,7 @@ static struct mtd_part *allocate_partiti + part->name); + } + +- tmp = slave->mtd.size; ++ tmp = part_absolute_offset(parent) + slave->mtd.size; + remainder = do_div(tmp, wr_alignment); + if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { + slave->mtd.flags &= ~MTD_WRITEABLE; diff --git a/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch b/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch index 8e5ecec63a..9625a51129 100644 --- a/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch +++ b/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch @@ -110,7 +110,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> #include <linux/err.h> #include <linux/of.h> -@@ -834,6 +835,37 @@ void deregister_mtd_parser(struct mtd_pa +@@ -844,6 +845,37 @@ void deregister_mtd_parser(struct mtd_pa } EXPORT_SYMBOL_GPL(deregister_mtd_parser); @@ -148,7 +148,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> /* * Do not forget to update 'parse_mtd_partitions()' kerneldoc comment if you * are changing this array! -@@ -983,6 +1015,13 @@ int parse_mtd_partitions(struct mtd_info +@@ -993,6 +1025,13 @@ int parse_mtd_partitions(struct mtd_info struct mtd_partitions pparts = { }; struct mtd_part_parser *parser; int ret, err = 0; @@ -162,7 +162,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> if (!types) types = mtd_is_partition(master) ? default_subpartition_types : -@@ -1024,6 +1063,7 @@ int parse_mtd_partitions(struct mtd_info +@@ -1034,6 +1073,7 @@ int parse_mtd_partitions(struct mtd_info if (ret < 0 && !err) err = ret; } diff --git a/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch index d4d4b58161..5f8899ea61 100644 --- a/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch +++ b/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch @@ -60,7 +60,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> /* * Given a pointer to the MTD object in the mtd_part structure, we can retrieve * the pointer to that structure. -@@ -658,6 +662,7 @@ int mtd_add_partition(struct mtd_info *p +@@ -668,6 +672,7 @@ int mtd_add_partition(struct mtd_info *p mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&new->mtd); @@ -68,7 +68,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> mtd_add_partition_attrs(new); -@@ -736,6 +741,29 @@ int mtd_del_partition(struct mtd_info *m +@@ -746,6 +751,29 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -98,7 +98,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> /* * This function, given a master MTD object and a partition table, creates * and registers slave MTD objects which are bound to the master according to -@@ -767,6 +795,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -777,6 +805,7 @@ int add_mtd_partitions(struct mtd_info * mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&slave->mtd); diff --git a/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch b/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch index ab2993cfc6..359c4c167b 100644 --- a/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch +++ b/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch @@ -20,7 +20,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> /* * Given a pointer to the MTD object in the mtd_part structure, we can retrieve -@@ -741,6 +745,36 @@ int mtd_del_partition(struct mtd_info *m +@@ -751,6 +755,36 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -57,7 +57,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME #else -@@ -1112,6 +1146,61 @@ void mtd_part_parser_cleanup(struct mtd_ +@@ -1122,6 +1156,61 @@ void mtd_part_parser_cleanup(struct mtd_ } } diff --git a/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch index cca3728a0a..e870663355 100644 --- a/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch +++ b/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch @@ -10,7 +10,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -783,6 +783,7 @@ run_parsers_by_type(struct mtd_part *sla +@@ -793,6 +793,7 @@ run_parsers_by_type(struct mtd_part *sla static void split_firmware(struct mtd_info *master, struct mtd_part *part) { @@ -18,7 +18,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> } static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part) -@@ -792,6 +793,12 @@ static void mtd_partition_split(struct m +@@ -802,6 +803,12 @@ static void mtd_partition_split(struct m if (rootfs_found) return; diff --git a/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch b/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch index 8715304fa5..94c59df01d 100644 --- a/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch +++ b/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch @@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -1225,6 +1225,24 @@ int mtd_is_partition(const struct mtd_in +@@ -1235,6 +1235,24 @@ int mtd_is_partition(const struct mtd_in } EXPORT_SYMBOL_GPL(mtd_is_partition); @@ -38,7 +38,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> { --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h -@@ -493,6 +493,24 @@ static inline uint32_t mtd_mod_by_eb(uin +@@ -494,6 +494,24 @@ static inline uint32_t mtd_mod_by_eb(uin return do_div(sz, mtd->erasesize); } diff --git a/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch b/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch index a995083105..3b862dae61 100644 --- a/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch +++ b/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch @@ -19,7 +19,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> /* Our partition linked list */ static LIST_HEAD(mtd_partitions); static DEFINE_MUTEX(mtd_partitions_mutex); -@@ -246,13 +248,61 @@ static int part_erase(struct mtd_info *m +@@ -255,13 +257,61 @@ static int part_erase(struct mtd_info *m struct mtd_part *part = mtd_to_part(mtd); int ret; @@ -81,7 +81,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> return ret; } -@@ -260,6 +310,25 @@ void mtd_erase_callback(struct erase_inf +@@ -269,6 +319,25 @@ void mtd_erase_callback(struct erase_inf { if (instr->mtd->_erase == part_erase) { struct mtd_part *part = mtd_to_part(instr->mtd); @@ -107,7 +107,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN) instr->fail_addr -= part->offset; -@@ -574,19 +643,22 @@ static struct mtd_part *allocate_partiti +@@ -584,19 +653,22 @@ static struct mtd_part *allocate_partiti remainder = do_div(tmp, wr_alignment); if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { /* Doesn't start on a boundary of major erase size */ @@ -123,8 +123,8 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> + slave->mtd.erasesize = slave->mtd.size; } -- tmp = slave->mtd.size; -+ tmp = slave->offset + slave->mtd.size; +- tmp = part_absolute_offset(parent) + slave->mtd.size; ++ tmp = part_absolute_offset(parent) + slave->offset + slave->mtd.size; remainder = do_div(tmp, wr_alignment); if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { - slave->mtd.flags &= ~MTD_WRITEABLE; diff --git a/target/linux/generic/pending-4.14/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/pending-4.14/412-mtd-partial_eraseblock_unlock.patch index 1e8c90931c..3ac3496c69 100644 --- a/target/linux/generic/pending-4.14/412-mtd-partial_eraseblock_unlock.patch +++ b/target/linux/generic/pending-4.14/412-mtd-partial_eraseblock_unlock.patch @@ -20,7 +20,7 @@ Signed-off-by: Tim Harvey <tharvey@gateworks.com> --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -348,7 +348,16 @@ static int part_lock(struct mtd_info *mt +@@ -357,7 +357,16 @@ static int part_lock(struct mtd_info *mt static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) { struct mtd_part *part = mtd_to_part(mtd); diff --git a/target/linux/generic/pending-4.14/495-mtd-core-add-get_mtd_device_by_node.patch b/target/linux/generic/pending-4.14/495-mtd-core-add-get_mtd_device_by_node.patch index b9c6bd0125..2886742d4d 100644 --- a/target/linux/generic/pending-4.14/495-mtd-core-add-get_mtd_device_by_node.patch +++ b/target/linux/generic/pending-4.14/495-mtd-core-add-get_mtd_device_by_node.patch @@ -17,7 +17,7 @@ Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c -@@ -922,6 +922,44 @@ out_unlock: +@@ -924,6 +924,44 @@ out_unlock: } EXPORT_SYMBOL_GPL(get_mtd_device_nm); @@ -64,7 +64,7 @@ Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> mutex_lock(&mtd_table_mutex); --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h -@@ -579,6 +579,8 @@ extern struct mtd_info *get_mtd_device(s +@@ -580,6 +580,8 @@ extern struct mtd_info *get_mtd_device(s extern int __get_mtd_device(struct mtd_info *mtd); extern void __put_mtd_device(struct mtd_info *mtd); extern struct mtd_info *get_mtd_device_nm(const char *name); |