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This factors the address cycle to a seperate function. This
becomes useful in a later patch where we can simplify the
command processing by making use of this function.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The oob layout was initialized several times. Instead, use
a smallpage layout by default and switch to a largepage
afterwards if necessary.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The original Freescale driver used to have eccoob descriptions like
this:
static struct nand_ecclayout nand_hw_eccoob_8 = {
.eccbytes = 5,
.eccpos = {6, 7, 8, 9, 10},
.oobfree = {{0, 5}, {11, 5}}
};
static struct nand_ecclayout nand_hw_eccoob_16 = {
.eccbytes = 5,
.eccpos = {6, 7, 8, 9, 10},
.oobfree = {{0, 6}, {12, 4}}
};
The former was used for 8bit flashes and the latter for 16bit flashes.
They honored the fact that the bad block marker on 8bit flashes is on byte 5
while on 16bit flashes it is on byte 11.
In the Kernel driver this was copied wrong and we ended up with two identical
descriptions.
Change it so that we have only one description which leaves byte 5 and byte
11 unspecified so that it won't be used by others.
Also, rename the descriptions to nand_hw_eccoob_smallpage and
nand_hw_eccoob_largepage so that it can't be confused with Nand chip bus
widths (what actually happened in this driver)
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The commit d79c326 ("gpio-addr-flash: new driver for GPIO assisted
flash addressing") removed two lines from the Makefile by accident.
Though I'm not sure how this accident happened, this patch reverts the
removal.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Convert PCMCIA drivers to use the dynamic debug infrastructure, instead of
requiring manual settings of PCMCIA_DEBUG.
Also, remove all usages of the CS_CHECK macro and replace them with proper
Linux style calling and return value checking. The extra error reporting may
be dropped, as the PCMCIA core already complains about any (non-driver-author)
errors.
CC: linux-mtd@lists.infradead.org
CC: linux-usb@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
* git://git.infradead.org/users/dwmw2/mtd-2.6.32:
mtd/maps: gpio-addr-flash: depend on GPIO arch support
mtd/maps: gpio-addr-flash: pull in linux/ headers rather than asm/
mtd: nand: fix htmldocs warnings
Commit 4b56ffcacee937a85bf39e14872dd141e23ee85f ("mtd: Fix kernel NULL
pointer dereference in physmap.c") introduced a couple of bugs.
It neglected to run the loop of map_destroy() calls in
physmap_flash_remove(), if !info->cmtd, which would happen if that
function was called to clean up errors during probe.
It also failed to compile if CONFIG_MTD_PARTITIONS was not defined.
Reported-By: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Move the remaining headers under plat-omap/include/mach
to plat-omap/include/plat. Also search and replace the
files using these headers to include using the right path.
This was done with:
#!/bin/bash
mach_dir_old="arch/arm/plat-omap/include/mach"
plat_dir_new="arch/arm/plat-omap/include/plat"
headers=$(cd $mach_dir_old && ls *.h)
omap_dirs="arch/arm/*omap*/ \
drivers/video/omap \
sound/soc/omap"
other_files="drivers/leds/leds-ams-delta.c \
drivers/mfd/menelaus.c \
drivers/mfd/twl4030-core.c \
drivers/mtd/nand/ams-delta.c"
for header in $headers; do
old="#include <mach\/$header"
new="#include <plat\/$header"
for dir in $omap_dirs; do
find $dir -type f -name \*.[chS] | \
xargs sed -i "s/$old/$new/"
done
find drivers/ -type f -name \*omap*.[chS] | \
xargs sed -i "s/$old/$new/"
for file in $other_files; do
sed -i "s/$old/$new/" $file
done
done
for header in $(ls $mach_dir_old/*.h); do
git mv $header $plat_dir_new/
done
Signed-off-by: Tony Lindgren <tony@atomide.com>
This reverts commit 71b7d0d90d536ae4e70929cc59a1a9f6ba457c6c.
The problem which that commit attempted to fix was a bootloader issue,
which had been misunderstood. The 'fix' causes lots of false bad blocks
for existing users with sane firmware.
Thanks to Mathieu Berland for diagnosing the problem coherently.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
In register_mtd_blktrans(), the symbol 'ret' is already declared
as an int at the start of the function. The inner loop declaration
is unnecessary. Quiets the following sparse warning:
warning: symbol 'ret' shadows an earlier one
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
result is unsigned, the wrong check was used.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Commit 32bc4820287a1a03982979515949e8ea56eac641 did not fully fix
the backward compatibility issues. We still fail to properly handle
situations when the first PEB contains non-zero image sequence
number, but one of the following PEBs contains zero image sequence
number. For example, this may happen if we mount a new image with
an old kernel, and then try to mount it in the new kernel.
This patch should fix the issue.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
During the probe for physmap platform flash devices there are a
number error exit conditions that all do a goto err_out which
then calls physmap_flash_remove(). In that function one of the
cleanup steps is:
#ifdef CONFIG_MTD_CONCAT
if (info->cmtd != info->mtd[0])
mtd_concat_destroy(info->cmtd);
#endif
This test will succeed since info->cmtd == NULL and info->mtd[0] is
valid.
Fix this by exiting the remove function when info->cmtd == NULL.
Also, cleanup the #ifdef CONFIG_MTD_PARTITIONS stuff by using
mtd_has_partitions().
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Add a request_mem_region() before doing the ioremap(). Also, use the
resource_size macro instead of doing the end - start + 1 calc by hand.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Convert the (broken) pcmciamtd driver to use the new CIS helpers.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This driver seems to be obsolete and broken for a long time.
It depends on CONFIG_IPAQ_HANDHELD that simply doesn't exists
anywhere in kernel. Also, it seems that none of machines it
claims to support have any use of it:
SA11xx-based iPAQs (h3100/h3600) use sa1100-flash
iPAQ h5000 uses physmap-flash
Jornada 720 uses sa1100-flash
Jornada 560 and iPAQ h1910 are not in mainline
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Fix a potential memory leak in mtd_dataflash driver.
The private data that is allocated when registering a DataFlash
device with the MTD subsystem is not released if an error occurs
when add_mtd_partitions() or add_mtd_device() is called. Fix this
by adding an error path. The memory is already released during a
remove.
Also, add a dev_set_drvdata(&spi->dev, NULL) before the kfree() so
that the spi device does not reference invalid data.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
- Remove unnecessary memset for bbt
All entries will be initialized at a few lines below
- Remove unnecessary initialization for mtd->erasesize
- Use write_whole_device()
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Commit f0b1e589 changed sa1100_mtd_probe from __init to __devinit,
but missed to correct sa1100_setup_mtd definition accordingly, which
causes following warning:
WARNING: vmlinux.o(.devinit.text+0xf4): Section mismatch in reference from
the function sa1100_mtd_probe() to the function .init.text:sa1100_setup_mtd()
The function __devinit sa1100_mtd_probe() references
a function __init sa1100_setup_mtd().
If sa1100_setup_mtd is only used by sa1100_mtd_probe then
annotate sa1100_setup_mtd with a matching annotation.
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
The function mxcnd_remove is used only wrapped by __exit_p so define it
using __exit.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Vladimir Barinov <vova.barinov@gmail.com>
Cc: Vladimir Barinov <vbarinov@embeddedalley.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
After m68k's task_thread_info() doesn't refer to current,
it's possible to remove sched.h from interrupt.h and not break m68k!
Many thanks to Heiko Carstens for allowing this.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
This patch resolves all the prints present in onenand_base.c
Primarily, it replaces the hard-coded function names in the prints,
and makes use of __func__.
Signed-off-by: Amul Kumar Saha <amul.saha@samsung.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Correct typo to use mask_ale from platform data when set to non-zero.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
prepare_discard_fn() was being called in a place where memory allocation
was effectively impossible. This makes it inappropriate for all but
the most trivial translations of Linux's DISCARD operation to the block
command set. Additionally adding a payload there makes the ownership
of the bio backing unclear as it's now allocated by the device driver
and not the submitter as usual.
It is replaced with QUEUE_FLAG_DISCARD which is used to indicate whether
the queue supports discard operations or not. blkdev_issue_discard now
allocates a one-page, sector-length payload which is the right thing
for the common ATA and SCSI implementations.
The mtd implementation of prepare_discard_fn() is replaced with simply
checking for the request being a discard.
Largely based on a previous patch from Matthew Wilcox <matthew@wil.cx>
which did the prepare_discard_fn but not the different payload allocation
yet.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
drivers/mtd/maps/sa1100-flash.c: In function 'sa1100_probe_subdev':
drivers/mtd/maps/sa1100-flash.c:214: warning: format '%d' expects type 'int', but argument 3 has type 'uint64_t'
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
The SST SPI flashes is like Atmel SPI flashes in that the software
protection bits are set by default at power up, so clear them at init
time.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
The driver requires gpio functionality, so make sure we depend on that in
the Kconfig menu.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Now that there are linux/ versions of gpio.h and io.h, include those
rather than hitting the asm/ versions.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits)
microblaze: Disable heartbeat/enable emaclite in defconfigs
microblaze: Support simpleImage.dts make target
microblaze: Fix _start symbol to physical address
microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections
microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets
microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C
microblaze: Actually show KiB rather than pages in "Freeing initrd memory:"
microblaze: Support ptrace syscall tracing.
microblaze: Updated CPU version and FPGA family codes in PVR
microblaze: Generate correct signal and siginfo for integer div-by-zero
microblaze: Don't be noisy when userspace causes hardware exceptions
microblaze: Remove ipc.h file which points to non-existing asm-generic file
microblaze: Clear sticky FSR register after generating exception signals
microblaze: Ensure CPU usermode is set on new userspace processes
microblaze: Use correct kbuild variable KBUILD_CFLAGS
microblaze: Save and restore msr in hw exception
microblaze: Add architectural support for USB EHCI host controllers
microblaze: Implement include/asm/syscall.h.
microblaze: Improve checking mechanism for MSR instruction
microblaze: Add checking mechanism for MSR instruction
...
Fixed following htmldocs warnings:
DOCPROC Documentation/DocBook/mtdnand.xml
Warning(drivers/mtd/nand/nand_base.c:769): No description found for parameter 'page'
Warning(drivers/mtd/nand/nand_base.c:785): No description found for parameter 'page'
Warning(drivers/mtd/nand/nand_base.c:824): No description found for parameter 'page'
Warning(drivers/mtd/nand/nand_base.c:947): No description found for parameter 'page'
Warning(drivers/mtd/nand/nand_base.c:996): No description found for parameter 'page'
Warning(drivers/mtd/nand/nand_base.c:1040): No description found for parameter 'page'
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* git://git.infradead.org/mtd-2.6: (58 commits)
mtd: jedec_probe: add PSD4256G6V id
mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board)
mtd: nand: driver for Nomadik 8815 SoC (on NHK8815 board)
m25p80: Add Spansion S25FL129P serial flashes
jffs2: Use SLAB_HWCACHE_ALIGN for jffs2_raw_{dirent,inode} slabs
mtd: sh_flctl: register sh_flctl using platform_driver_probe()
mtd: nand: txx9ndfmc: transfer 512 byte at a time if possible
mtd: nand: fix tmio_nand ecc correction
mtd: nand: add __nand_correct_data helper function
mtd: cfi_cmdset_0002: add 0xFF intolerance for M29W128G
mtd: inftl: fix fold chain block number
mtd: jedec: fix compilation problem with I28F640C3B definition
mtd: nand: fix ECC Correction bug for SMC ordering for NDFC driver
mtd: ofpart: Check availability of reg property instead of name property
driver/Makefile: Initialize "mtd" and "spi" before "net"
mtd: omap: adding DMA mode support in nand prefetch/post-write
mtd: omap: add support for nand prefetch-read and post-write
mtd: add nand support for w90p910 (v2)
mtd: maps: add mtd-ram support to physmap_of
mtd: pxa3xx_nand: add single-bit error corrections reporting
...
This makes it consistent with other buses (platform, i2c, vio, ...). I'm
not sure why we use the prefixes, but there must be a reason.
This was easy enough to do it, and I did it.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Samuel Ortiz <sameo@openedhand.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Acked-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits)
trivial: fix typo in aic7xxx comment
trivial: fix comment typo in drivers/ata/pata_hpt37x.c
trivial: typo in kernel-parameters.txt
trivial: fix typo in tracing documentation
trivial: add __init/__exit macros in drivers/gpio/bt8xxgpio.c
trivial: add __init macro/ fix of __exit macro location in ipmi_poweroff.c
trivial: remove unnecessary semicolons
trivial: Fix duplicated word "options" in comment
trivial: kbuild: remove extraneous blank line after declaration of usage()
trivial: improve help text for mm debug config options
trivial: doc: hpfall: accept disk device to unload as argument
trivial: doc: hpfall: reduce risk that hpfall can do harm
trivial: SubmittingPatches: Fix reference to renumbered step
trivial: fix typos "man[ae]g?ment" -> "management"
trivial: media/video/cx88: add __init/__exit macros to cx88 drivers
trivial: fix typo in CONFIG_DEBUG_FS in gcov doc
trivial: fix missing printk space in amd_k7_smp_check
trivial: fix typo s/ketymap/keymap/ in comment
trivial: fix typo "to to" in multiple files
trivial: fix typos in comments s/DGBU/DBGU/
...
* 'linux-next' of git://git.infradead.org/ubi-2.6:
UBI: improve NOR flash erasure quirk
UBI: introduce flash dump helper
UBI: eliminate possible undefined behaviour
UBI: print a warning if too many PEBs are corrupted
UBI: amend NOR flash pre-erase quirk
UBI: print a message if ECH is corrupted and VIDH is ok
Trivial patch which adds the __init and __exit macros to the module_init /
module_exit functions to the following modules from drivers/mtd/
devices/m25p80.c
devices/slram.c
linux version 2.6.30
ftl.c
nand/cafe_nand.c
nand/cmx270_nand.c
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
