diff options
Diffstat (limited to 'target/linux/generic/backport-4.19/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch')
| -rw-r--r-- | target/linux/generic/backport-4.19/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/generic/backport-4.19/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch b/target/linux/generic/backport-4.19/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch deleted file mode 100644 index d587c9ec07..0000000000 --- a/target/linux/generic/backport-4.19/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch +++ /dev/null @@ -1,58 +0,0 @@ -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 -@@ -665,6 +665,8 @@ 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 -@@ -346,7 +346,8 @@ 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 -@@ -207,6 +207,7 @@ 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 |