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if a seed is provided it is actually not used. First call is
"seed = rand()" killing the given seed.
Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Tested-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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if new ecc failed occures oldstats.corrected is updated not oldstats.failed
Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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If the system doesn't have gzip installed, we should still be able
to install the man pages. So install the file in one step, and then
compress it in another (and ignore failures from that).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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The install target always looks for the compiled binaries in the working
directory which breaks when doing something like `make CHOST=... install`.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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Unfortunately I forgot to update the version in Makefile and tagged v1.4.7.
To fix this, I could not invent anything better than cut a new release 1.4.8.
Sorry for this :-(
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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If the user specifies neither a MTD argument nor the `-a' flag, we print
a cryptic message; i.e.,
# mtdinfo
libmtd: error!: cannot get information about "(null)"
error 14 (Bad address)
mtdinfo: error!: cannot get information about MTD device "(null)"
error 14 (Bad address)
This is a regression; previously, mtdinfo would give some short info
about number of devices, etc. when used without arguments. To fix this,
we revert commit d53c03b0989f8354a7e4dbb947a150fc7fe3f6d1 and call
print_general_info() when no device is specified.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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There are two variables which are not used anymore. Thos patch removes useless
lines and suppresses gcc warnings.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Alexey Dokuchaev <danfe@nsu.ru>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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There are major() and minor() helpers in the standard library. We can use them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Alexey Dokuchaev <danfe@nsu.ru>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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This patch brings const char * type for path variables. It allows to eliminate
compiler warning.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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There is a linker errors:
undefined reference to `target_endian'
This patch fixes the issue and turns on the jffs2reader build in the Makefile.
Signed-off-by: Alexey Dokuchaev <danfe@nsu.ru>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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This macro is dedicated to get rid of the compiler errors:
lvalue required as left operand of assignment
Signed-off-by: Alexey Dokuchaev <danfe@nsu.ru>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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There are many errors like "error: invalid operands to binary". This patch
converts the values to the proper types.
Signed-off-by: Alexey Dokuchaev <danfe@nsu.ru>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Signed-off-by: Alexey Dokuchaev <danfe@nsu.ru>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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This issue was reported and analyzed by
Anton Olofsson <anol.martinsson@gmail.com>:
when ubiformat encounters a write error while flashing the UBI image (which may
come from a file of from stdout), it correctly marks the faulty eraseblock as
bad and skips it. However, it also incorrectly drops the data buffer which was
supposed to be written, and reads next block of data.
This patch fixes this issue - in case of a write error, we preserve the current
data and write it to the next eraseblock, instead of dropping it.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Convert several forms of exit(), perror(), etc. to use common.h helper
functions.
Also, move one of our parameter checks inside the process_options()
function for consistency.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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The restructuring of mtd_write() has allowed us to use `--autoplace'
somewhat successfully; it is supported by the new ioctl(MEMWRITE) as
well as some legacy code utilizing the deprecated ioctl(MEMGETOOBSEL).
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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The `--raw' option has lost all usefulness as it overlapped with several
other OOB modes. I cannot even figure out what it was actually intended
to do, but I'm sure its functionality fits somewhere in the
MTD_OPS_{AUTO_OOB,PLACE_OOB,RAW} options, which are mostly implemented
in libmtd's mtd_write().
I don't think users need a warning for this one, unless someone can tell
me what it actually was supposed to have done in the first place.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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With the addition of the the new ioctl(MEMWRITE), we can use the
kernel's internal OOB autoplacement option. It's a cleaner interface and
avoids too much duplication of coding effort.
This patch moves any legacy code (using MEMGETOOBSEL) into a legacy
function in libmtd.c. It's not exactly a "pre-2.6.30" feature, so I'm not
moving it to libmtd_legacy.c.
Now, autoplacement features are only activated if we call mtd_write with
mode == MTD_OPS_AUTO_OOB. This should fix some discrepancies for
nandwrite, where we weren't handling OOB consistently (i.e., we had
different functionality when the kernel did/didn't support MEMWRITE).
But that also means that we now default to using MTD_OPS_PLACE_OOB
instead of AUTO layout. To re-enable autoplacement, we can re-implement
the `--autoplace' option that had previously rotted.
This patch also cleans up a need for an extra OOB buffer in nandwrite.
This has been tested a little in nandsim as well as on SLC NAND flash.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Now that `mtd_write' can write to both OOB and data regions, we need to
perform our `mtd_write' call only once.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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`mtd_write()' now will first attempt to use MEMWRITE. Then, if that
doesn't exist, it will attempt to fall back to old methods for writing
OOB and/or page data.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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To support the MEMWRITE ioctl, we will need a different sort of libmtd
interface for writing to flash. We will expand mtd_write to include more
functionality; for now, we just change the function definition and
description as we begin to add the actual functionality.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Kernel ABI header added a new ioctl, killed an old one, and exposed OOB
modes to user-space. Plus, it added a lot of documentation.
We have some trivial name changes for some MTD mode constants as well.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Instead of using two different output buffers for OOB data, let's just
use the same one for all output. This adds an extra memcpy, but it
simplifies some future work, so it's worth it.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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The nandtest program monitors the corrected ecc stat to determine if an
ECC correction has taken place during the last write-read. If so, it
prints "ECC corrected".
The mtd subsytem will store the number of bits corrected in the corrected
ecc stat so update the nandtest output to print also the number of bits
corrected when performing the test.
Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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The ioctl MEMSETOOBSEL hasn't existed for a long time. Using it as a
backup to MTDFILEMODE is pointless, so just remove every time it is
used.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Move variable within conditional and remove duplicated code.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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We don't really use oobinfochanged anymore, since all the calls to the
MEMSETOOBSEL ioctls are gone. The remaining usage of it is superfluous
now, as the only case where it is changed is under the "noecc" condition
and the only case where it is tested is under the "!noecc" condition.
We also no longer need the "restoreoob" label and can instead simply
close everything done with the single remaining label, "closeall". Note
that `close(-1)' is legal, although useless.
Finally, we move `old_oobinfo' into the only block of code in which it's
used now.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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The legacy -j (--jffs2) and -y (--yaffs) options haven't been
operational for a long time, since MEMSETOOBSEL was killed. I don't
think anybody will miss these options (correct me if I'm wrong). They
can be replaced by proper usage of MTD_OOB_AUTO modes.
The -f (--forcelegacy) option went hand in hand with -j and -y. Now that
-j and -y are gone, there's no use for -f. Kill it.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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The `autoplace' option was meant to force an MTD_OOB_AUTO layout while
writing to flash. This option has not been properly supported for a very
long time, as the necessary ioctl, MEMSETOOBSEL, has been removed.
Apparently nobody uses this option. Kill it.
Other code depends on the availability of the `old_oobinfo' data, so we
move some code within a block that handles autoplacement if it's
*already* enabled. This, however, is inconsistent and should be cleaned
up shortly.
Note: this option may be re-implemented in the near future with the
addition of a new ioctl that allows on-the-fly chaning of MTD OOB modes.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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__func__ is more portable
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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enum provides a cleaner mechanism that creating single-purpose `#define`s.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Remove extraneous spaces.
Put braces on same line as "if", "for", "switch", etc. statements.
No parentheses around return values.
Use "errmsg_die" from common.h.
Replace "exit (1)" with "exit(EXIT_FAILURE)".
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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We released mtd-utils 1.4.6 as a bug-fix release. Bump the version number
in Makefile.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@intel.com>
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mtd-utils nandwrite.c: After a page write failure, the calculation
of the block number to erase is incorrect. The erase block size is
being passed as the erase block number in the call to mtd_erase().
Signed-off-by: Jeff Fryar <jeff.fryar@hp.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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The help message for mtdinfo is unnecessarily disjointed. It is split
into three strings which reuse the PROGRAM_NAME string inefficiently and
don't have a consistent style.
This fixup should provide a cleaner look with aligned columns and
easier-to-read source code.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Line up columns better so that everything is more readable.
Remove "Example 1" since `mtdinfo' does not print information when not
given any arguments.
Remove "...UBI layout information" from description of Example 4, since
Example 4 (now 3) doesn't include the `-u' flag.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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We weren't very consistent in how we listed our options in the mtdinfo
help string (listing short options, long options, or both). Plus, not all
options are inter-operable, so we should distinguish this somewhat.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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This "fixes" a regression found in:
commit 266061ebd5d72391f0a0e831b018e8fc7fea68a1
mtdinfo: add regioninfo/eraseblock map display
On certain flash (NOR flash that have eraseblock region info),
`mtdinfo -a' tries to open the MTD node file, for use with the ioctl
MEMGETREGIONINFO; however, we didn't supply a device node path to
`mtdinfo -a', so it's using NULL, resulting in errors like:
mtdinfo: error!: couldn't open MTD dev: (null)
error 14 (Bad address)
For now, we can just skip dumping region_info with the `-a' flag. If we
find a better way to do this (e.g., export via sysfs, find device nodes
via automatic routines, etc.), then we can kill the workaround and this
FIXME should be removed.
The regression was first reported at:
http://lists.infradead.org/pipermail/linux-mtd/2011-July/037232.html
The result of recent changes is that we cannot get region_info for devices
via the `--all' option. We add a note in the help message warning that
mtdinfo may find more info when given a device patch, e.g., /dev/mtdX.
Reported-by: Brian Foster <brian.foster@maxim-ic.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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When cross-compiling (make CROSS=mipsel-linux-), I get this error:
rm -rf /home/norris/git/mtd-utils/mipsel-linux
find /home/norris/git/mtd-utils/mipsel-linux/ -xdev \
'(' -name '*.[ao]' -o -name '.*.c.dep' ')' \
-exec rm -f {} +
find: `/home/norris/git/mtd-utils/mipsel-linux/': No such file or directory
make: *** [clean] Error 1
Now, for cross-compiling, we've already deleted the $(BUILDDIR), so we
should check this before cleaning individual objects with "find."
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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When using "make CROSS=mipsel-linux-", I get the following errors:
/bin/sh: /home/norris/git/mtd-utils/mipsel-linux/include/version.h.tmp: No such file or directory
make: *** [/home/norris/git/mtd-utils/mipsel-linux/include/version.h.tmp] Error 1
Fix (suggested by Mike Frysinger): create the directory if it doesn't
exist. Also, $(CC) needs to be able to find the generated header in
$(BUILDDIR)/include.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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