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inval_cache_and_wait_for_operation().
If the inval_cache_and_wait_for_operation() is re-entered by write operation when erase
operation is in progress, the chip->erase_suspended will be cleared, this cause the erase
timeo is not reset and will result time out error for erase.
Signed-off-by: Graff Yang <graff.yang@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This is a map driver for NOR flash chips on RBTX4939 board.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Ralf Bächle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This patch adds support for the integrated NAND flash controller of the
TXx9 family.
Once upon a time there were tx4925ndfmc and tx4938ndfmc driver. They
were removed due to bitrot in 2005.
This new driver is completely rewritten based on a driver in CELF patch
archive.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Ralf Bächle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Move mtd_has_partitions() and mtd_has_cmdlinepart() inlines from a
DaVinci-specific driver to the <linux/mtd/partitions.h> header.
Use those to eliminate #ifdefs in two drivers which had their own
definitions of mtd_has_partitions().
Quite a lot of other MTD drivers could benefit from using use one or both
of these to remove #ifdeffery. Maybe some Janitors would like to help.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Remove <linux/miscdevice.h> from various drivers which don't actually use
any of its contents. There are still a number of these left in
arch-specific bits of the tree.
(Found by diffing results of "grep -rl" for linux/miscdevice.h and for
misc_register, examining the differences, and verifying removals with a
build test.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Usage of davinci-specific cpu_is macros is not allowed in drivers.
These options should be passed in through platform_data.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Fix incorrect debug messages (*write* not read); someone committed some
cut'n'paste bugs. There might be more, I only noticed these since I was
looking for nand_read usage and landed in some very wrong functions.
IMO all MTD debugging message framework is goofed, anyway. It uses
"DEBUG" in a way that's incompatible with usage most everywhere else in
the kernel, and which prevents normal pr_dbg() and dev_dbg() calls from
working right.
[True. It predates those by a long way, and should probably be updated
to use them. dwmw2]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This is a device driver for the NAND flash controller found on the various
DaVinci family chips. It handles up to four SoC chipselects, and some
flavors of secondary chipselect (e.g. based on upper bits of the address
bus) as used with some multichip packages. (Including the 2 GiB chips
used on some TI devel boards.)
The 1-bit ECC hardware is supported (3 bytes ECC per 512 bytes data); but
not yet the newer 4-bit ECC (10 bytes ECC per 512 bytes data), as
available on chips like the DM355 or OMAP-L137 and needed with the more
error-prone MLC NAND chips.
This is a cleaned-up version of code that's been in use for several years
now; sanity checked with the new drivers/mtd/tests.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The syndrome based page read/write routines store ECC, and possibly other
"OOB" data, right after each chunk of ECC'd data. With ECC chunk size of
512 bytes and a large page (2KiB) NAND, the layout is:
data-0 OOB-0 data-1 OOB-1 data-2 OOB-2 data-3 OOB-3 OOB-leftover
Where OOBx is (prepad, ECC, postpad). However, the current "raw" routines
use a traditional layout -- data OOB, disregarding the prepad and postpad
values -- so when they're used with that type of ECC hardware, those calls
mix up the data and OOB. Which means, in particular, that bad block
tables won't be found on startup, with data corruption and related chaos
ensuing.
The current syndrome-based drivers in mainline all seem to use one chunk
per page; presumably they haven't noticed such bugs.
Fix this, by adding read/write page_raw_syndrome() routines as siblings of
the existing non-raw routines; "raw" just means to bypass the ECC
computations, not change data and OOB layout.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The bf5xx_nand_add_partition() func is only called by __devinit functions,
so put it into the __devinit section as well
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Only set DMAC1_PERIMUX once we have requested and been granted the dma
channel to prevent breaking other peripherals in the error case
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Convert the PS3 Video RAM Storage Driver from an MTD driver to a plain block
device driver.
The ps3vram driver exposes unused video RAM on the PS3 as a block device
suitable for storage or swap. Fast data transfer is achieved using a local
cache in system RAM and DMA transfers via the GPU.
The new driver is ca. 50% faster for reading, and ca. 10% for writing.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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commit e480814f138cd5d78a8efe397756ba6b6518fdb6 ("[MTD] [MAPS] physmap:
fix wrong free and del_mtd_{partition,device}") introduces a NULL pointer
dereference in physmap_flash_remove when called from the error path in
physmap_flash_probe (if map_probe failed).
Call del_mtd_{partition,device} only if info->cmtd was not NULL.
Reported-by: pHilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 771999b65f79264acde4b855e5d35696eca5e80c ("[MTD] DataFlash: bugfix,
binary page sizes now handled") broke support for probing AT45DB321C flash
chips. These chips do not support the "page size" status bit, so if we
match the JEDEC id return early.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Will Newton <will.newton@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] fix lots of ARM __devexit sillyness
[ARM] 5417/1: Set the correct cacheid for ARMv6 CPUs with ARMv7 style MMU
[ARM] 5416/1: Use unused address in v6_early_abort
[ARM] 5411/1: S3C64XX: Fix EINT unmask
[ARM] at91: fix for Atmel AT91 powersaving
[ARM] RiscPC: Fix etherh oops
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`iop_adma_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`mv_xor_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`mv64xxx_i2c_unmap_regs' referenced in section `.devinit.text' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`mv64xxx_i2c_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`orion_nand_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`pxafb_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.infradead.org/mtd-2.6:
[MTD] [MAPS] Remove MODULE_DEVICE_TABLE() from ck804rom driver.
[JFFS2] fix mount crash caused by removed nodes
[JFFS2] force the jffs2 GC daemon to behave a bit better
[MTD] [MAPS] blackfin async requires complex mappings
[MTD] [MAPS] blackfin: fix memory leak in error path
[MTD] [MAPS] physmap: fix wrong free and del_mtd_{partition,device}
[MTD] slram: Handle negative devlength correctly
[MTD] map_rom has NULL erase pointer
[MTD] [LPDDR] qinfo_probe depends on lpddr
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We really don't want the BIOS flash mapping hacks to get automatically
loaded.
No idea why it isn't using pci_register_driver() though -- that should
be fine... and is even _present_ but disabled by #if 0.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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controller
Add support for inverted rdy_busy pin for Atmel nand device controller
It will fix building error on NeoCore926 board.
Acked-by: Andrew Victor <linux@maxim.org.za>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Gregory CLEMENT <gclement@adeneo.adetelgroup.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Correct a build error. bfin-async uses complex mappings and so needs it.
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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commit 176bf2e0f10ecf1d20a97db3bd5bb2e6ba0b5668 ("physmap: fix leak of
memory returned by parse_mtd_partitions") deals with a memory leak and
frees the pointer array of mtd_partition after the call to
add_mtd_partitions(). the problem is that mtd_table[x]->name still points
to the freed memory.
Aldo physmap_flash_remove() should call del_mtd_partitions() or
del_mtd_device() only once.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Reported-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Tested-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
NVRAM depends on RTC_DRV_CMOS
rename platform_driver name "flash" to "sa1100-mtd"
annotate that [fp, #-4] is the saved lr
Use __SPIN_LOCK_UNLOCKED to initialize bad_irq_desc.lock
ARM: OMAP: fix fault in enter_full_retention()
ARM: OMAP: Mask interrupts when disabling interrupts, v2
ARM: OMAP: gptimer min_delta_ns corrected
ARM: OMAP: Fix hsmmc init, v2
ARM: OMAP: Fix omap34xx revision detection for ES3.1
ARM: OMAP: DMA: Fix uninitialized channel flags
ARM: OMAP: Fix race in OMAP2/3 DMA IRQ handling
ARM: OMAP: Fix McBSP spin_lock deadlock
[ARM] 5366/1: fix shared memory coherency with VIVT L1 + L2 caches
[ARM] call undefined instruction exception handler with irqs enabled
[ARM] msm: fix build errors
[ARM] etherh: continue fixing build failure
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
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"flash" is a very generic name for a platform_driver that is only
available on SA11x0.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Nicolas Pitre <nico@marvell.com>
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* 'linux-next' of git://git.infradead.org/ubi-2.6:
UBI: allow direct user-space I/O
UBI: fix resource de-allocation
UBI: remove unused variable
UBI: use nicer 64-bit math
UBI: add ioctl compatibility
UBI: constify file operations
UBI: allow all ioctls
UBI: remove unnecessry header inclusion
UBI: improve ioctl commentaries
UBI: add ioctl for is_mapped operation
UBI: add ioctl for unmap operation
UBI: add ioctl for map operation
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These are all powerpc specific drivers.
res.start in fsl_elbc_nand.c needs to be cast since it may be either 32
or 64 bit. Thanks to Scott Wood for noticing.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Arnd Bergmann <arnd@arndb.de> call_edac bits in particular
Acked-by: Olof Johansson <olof@lixom.net> pasemi_nand peices
Acked-by: Scott Wood <scottwood@freescale.com> fsl_elbc fixes
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Introduce a new ioctl UBI_IOCSETPROP to set properties
on a volume. Also add the first property:
UBI_PROP_DIRECT_WRITE, this property is used to set the
ability to use direct writes in userspace
Signed-off-by: Sidney Amani <seed@uffs.org>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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GregKH asked to fix UBI which has fake device release method. Indeed,
we have to free UBI device description object from the release method,
because otherwise we'll oops is someone opens a UBI device sysfs file,
then the device is removed, and he reads the file. With this fix, he
will get -ENODEV instead of an oops.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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A negative devlength won't get noticed and clean up:
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Get rid of 'do_div()' and use more user-friendly primitives from
'linux/math64.h'.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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UBI ioctl's do not work when running 64-bit kernel and 32-bit
user-land. Fix this by adding the compat_ioctl method.
Also, UBI serializes all ioctls, so more than one ioctl at a time
is not a problem. Amd UBI does not seem to depend on anything else,
so use unlocked_ioctl instead of ioctl (no BKL needed).
Reported-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Some ioctl's in UBI are enabled only when debugging is switched
on. There is not particular reason for this, just noone needed
them. However, some people need the now for their user-space
development. Thus, allow these ioctl's even if UBI debugging
is disabled.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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This patch adds ioctl to check if an LEB is mapped or not (as a
debugging option so far).
[Re-named ioctl to make it look the same as the other one and made
some minor stylistic changes. Artem Bityutskiy.]
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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This patch adds ioctl for the LEB unmap operation (as a debugging
option so far).
[Re-named ioctl to make it look the same as the other one and made
some minor stylistic changes. Artem Bityutskiy.]
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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This patch adds ioctl for the LEB map operation (as a debugging
option so far).
[Re-named ioctl to make it look the same as the other one and made
some minor stylistic changes. Artem Bityutskiy.]
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Fix compile by removing remaining omap specific gpio
calls. Based on earlier patches by Jarkko Nikula.
Also remove old GPIO key code, there is already a patch
to do this with gpio_keys.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Which means if inftl or similar are loaded with it (which is a dumb thing
to do admittedly) it may oops.
Closes #8108
[dwmw2: change error to -EROFS to match write-protected flash]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Alexey Korolev <akorolev@infradead.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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* git://git.infradead.org/mtd-2.6: (67 commits)
[MTD] [MAPS] Fix printk format warning in nettel.c
[MTD] [NAND] add cmdline parsing (mtdparts=) support to cafe_nand
[MTD] CFI: remove major/minor version check for command set 0x0002
[MTD] [NAND] ndfc driver
[MTD] [TESTS] Fix some size_t printk format warnings
[MTD] LPDDR Makefile and KConfig
[MTD] LPDDR extended physmap driver to support LPDDR flash
[MTD] LPDDR added new pfow_base parameter
[MTD] LPDDR Command set driver
[MTD] LPDDR PFOW definition
[MTD] LPDDR QINFO records definitions
[MTD] LPDDR qinfo probing.
[MTD] [NAND] pxa3xx: convert from ns to clock ticks more accurately
[MTD] [NAND] pxa3xx: fix non-page-aligned reads
[MTD] [NAND] fix nandsim sched.h references
[MTD] [NAND] alauda: use USB API functions rather than constants
[MTD] struct device - replace bus_id with dev_name(), dev_set_name()
[MTD] fix m25p80 64-bit divisions
[MTD] fix dataflash 64-bit divisions
[MTD] [NAND] Set the fsl elbc ECCM according the settings in bootloader.
...
Fixed up trivial debug conflicts in drivers/mtd/devices/{m25p80.c,mtd_dataflash.c}
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MTD size is 64-bit now...
Pointed out by Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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[dwmw2: updated and made to still register whole device first]
Signed-off-by: Philip Rakity <pakity@yahoo.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The NOR Flash memory K8P2815UQB from Samsung uses the major version
number '0'. Add a quirk to cope with it.
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (53 commits)
serial: Add driver for the Cell Network Processor serial port NWP device
powerpc: enable dynamic ftrace
powerpc/cell: Fix the prototype of create_vma_map()
powerpc/mm: Make clear_fixmap() actually work
powerpc/kdump: Use ppc_save_regs() in crash_setup_regs()
powerpc: Export cacheable_memzero as its now used in a driver
powerpc: Fix missing semicolons in mmu_decl.h
powerpc/pasemi: local_irq_save uses an unsigned long
powerpc/cell: Fix some u64 vs. long types
powerpc/cell: Use correct types in beat files
powerpc: Use correct type in prom_init.c
powerpc: Remove unnecessary casts
mtd/ps3vram: Use _PAGE_NO_CACHE in memory ioremap
mtd/ps3vram: Use msleep in waits
mtd/ps3vram: Use proper kernel types
mtd/ps3vram: Cleanup ps3vram driver messages
mtd/ps3vram: Remove ps3vram debug routines
mtd/ps3vram: Add modalias support to the ps3vram driver
mtd/ps3vram: Add ps3vram driver for accessing video RAM as MTD
powerpc: Fix iseries drivers build failure without CONFIG_VIOPATH
...
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When I review ocfs2 code, find there are 2 typos to "successfull". After
doing grep "successfull " in kernel tree, 22 typos found totally -- great
minds always think alike :)
This patch fixes all the similar typos. Thanks for Randy's ack and comments.
Signed-off-by: Coly Li <coyli@suse.de>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Roland Dreier <rolandd@cisco.com>
Cc: Jeremy Kerr <jk@ozlabs.org>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Vlad Yasevich <vladislav.yasevich@hp.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use _PAGE_NO_CACHE for gpu memory ioremap. Also,
add __iomem attribute to gpu memory pointer and
change use of memset() to memset_io().
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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