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Prevent bus_remove_device() from crashing if dev->knode_bus has not been
initialized before it's called.
This can happen if the device_add() ended up breaking out early due to
an error, for example.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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collie seems to contain LH28F640BF flash chips. According to
http://sharp-world.com/products/device/flash/pdf/*FUM00701*@E.pdf
(page 83) if they have 0x51 of Extended Query Table (number of hardware
partitions) set to zero, they have a single fixed partition.
This patch makes those chips work.
Signed-off-by: Thomas Kunze <thommycheck@gmx.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Haven't had any complaints about it recently, despite having the test
code enabled to verify that the calculated length is correct.
Kill it off, just by #undef TEST_TOTLEN for now; removing it for real
can come a little later.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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The problem fixed in commit 014b164e1392a166fe96e003d2f0e7ad2e2a0bb7
(space leak with in-band cleanmarkers) would have been caught a lot
quicker if our paranoid debugging mode had included adding up the size
counts from all the eraseblocks and comparing the totals with the counts
in the superblock. Add that.
Make jffs2_mark_erased_block() file the newly-erased block on the
free_list before calling the debug function, to make it happy.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Do not refuse to actually register children of suspended devices,
but still warn about attempts to do that.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The only reason to have separated __...() for those was to keep them inlined
for local users in exit.c. Since Alexey removed the inline on those, there's
no reason whatsoever to keep them around; just collapse with normal variants.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Since we drop the rcu_read_lock inside the loop, we can't assume
that files->fdt will remain unchanged (and not freed) between
iterations.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Duh... Fortunately, the bug is quite recent (post-2.6.25) and, embarrassingly,
mine ;-/
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] run drivers/misc/sgi-xp through scripts/checkpatch.pl
[IA64] run rest drivers/misc/sgi-xp through scripts/Lindent
[IA64] run some drivers/misc/sgi-xp through scripts/Lindent
[IA64] move XP and XPC to drivers/misc/sgi-xp
[IA64] minor irq handler cleanups
[IA64] simplify notify hooks in mca.c
[IA64] do notify DIE_MCA_MONARCH_PROCESS for each monarchs
[IA64] disable interrupts on exit of ia64_trace_syscall
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We were accounting for the cleanmarker by calling jffs2_link_node_ref()
(without locking!), which adjusted both superblock and per-eraseblock
accounting, subtracting the size of the cleanmarker from {jeb,c}->free_size
and adding it to {jeb,c}->used_size.
But only _then_ were we adding the size of the newly-erased block back
to the superblock counts, and we were adding each of jeb->{free,used}_size
to the corresponding superblock counts. Thus, the size of the cleanmarker
was effectively subtracted from the superblock's free_size _twice_.
Fix this, by always adding a full eraseblock size to c->free_size when
we've erased a block. And call jffs2_link_node_ref() under the proper
lock, while we're at it.
Thanks to Alexander Yurchenko and/or Damir Shayhutdinov for (almost)
pinpointing the problem.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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... instead of <linux/semaphore.h> which we don't need any more anyway.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Use offset type consistently.
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6:
SELinux fixups needed for preemptable RCU from -rt
SELinux: no BUG_ON(!ss_initialized) in selinux_clone_mnt_opts
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Addressed issues raised by scripts/checkpatch.pl. Removed unnecessary curly
braces. Eliminated uses of volatiles and use of kernel_thread() and daemonize().
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Ran patches through scripts/Lindent (part 2).
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Ran patches through scripts/Lindent (part 1).
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Move XPC and XPNET from arch/ia64/sn/kernel to drivers/misc/sgi-xp.
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c: Fix platform driver hotplug/coldplug
i2c: New driver for the SuperH Mobile I2C bus controller
i2c/scx200_acb: Don't use 0 as NULL pointer
i2c-bfin-twi: Fix mismatch in add timer and delete timer
i2c-bfin-twi: Just let i2c-bfin-twi driver depends on BLACKFIN
i2c-bfin-twi: Use simpler comment headers and strip out information that is maintained in the scm's log
i2c-bfin-twi: Cleanup driver descriptions, versions and some module useful information
i2c-bfin-twi: Add missing pin mux operation
i2c-bfin-twi: Add platform_resource interface to support multi-port TWI controllers
i2c-bfin-twi: Add repeat start feature to avoid break of a bundle of i2c master xfer operation
i2c: Remove trailing whitespaces in busses/Kconfig
i2c: Replace remaining __FUNCTION__ occurrences
i2c: Renesas SH7760 I2C master driver
i2c-dev: Split i2cdev_ioctl
i2c-ibm_iic: Support building as an of_platform driver
i2c-ibm_iic: Change the log levels
i2c: Add platform driver on top of the new pca-algorithm
i2c-algo-pca: Extend for future drivers
i2c-algo-pca: Remove trailing whitespaces and unnecessary UTF
i2c: Remove the algorithm drivers from the config menu
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Add missing kernel-doc in kernel/sched.c:
Warning(linux-2.6.25-git3//kernel/sched.c:7044): No description found for parameter 'span'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm:
dlm: linux/{dlm,dlm_device}.h: cleanup for userspace
dlm: common max length definitions
dlm: move plock code from gfs2
dlm: recover nodes that are removed and re-added
dlm: save master info after failed no-queue request
dlm: make dlm_print_rsb() static
dlm: match signedness between dlm_config_info and cluster_set
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: Suppress hidinput for Samsung IR control
HID: remove 60x GTCO devices from blacklist
HID: export headers properly
HID: WiseGroup 866 Dual Joypad needs output reports quirk
HID: ThrustMaster FF driver is no longer experimental
HID: Logitech diNovo Mini pad support
HID: fix race between open() and disconnect() in usbhid
HID: make hid_input_field and usbhid_modify_dquirk static
HID: pass numbered reports properly to hidraw
HID: fix misplaced rdesc quirk
HID: force feedback driver for Logitech Rumblepad 2
HID: move wait from hid to usbhid
HID: make function from dbg_hid
HID: fix sparse warnings
HID: only dump report traffic with debug level 2
HID: patch to add NOGET for DMI/Acomdata
HID: Sunplus Wireless Desktop needs report descriptor fixup
HID: quirk for MS Wireless Desktop Receiver (model 1028)
HID: fixup fullspeed interval on highspeed Afatech DVB-T IR kbd
HID: fix build failure in hiddev_ioctl with gcc 3.2
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With modern systems using bus-hold instead of bus pull-up, it can
often lead to erroneous reporting of NAND devices where there are
none. Do a double probe to ensure that the result we got the first
time is repeatable, and if it is not then return that there is no
chip there.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Add support to disable ECC checking for a given chip
when passed by the board via the platform data.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Add support for the ECC layout to be passed via the
platform data specified by the board.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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If a block's ecc field is all 0xff, then ignore the ECC
correction. This is for systems where some of the blocks,
such as the initial cramfs are written without ECC and
need to be loaded on start.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6: (41 commits)
udf: use crc_itu_t from lib instead of udf_crc
udf: Fix compilation warnings when UDF debug is on
udf: Fix bug in VAT mapping code
udf: Add read-only support for 2.50 UDF media
udf: Fix handling of multisession media
udf: Mount filesystem read-only if it has pseudooverwrite partition
udf: Handle VAT packed inside inode properly
udf: Allow loading of VAT inode
udf: Fix detection of VAT version
udf: Silence warning about accesses beyond end of device
udf: Improve anchor block detection
udf: Cleanup anchor block detection.
udf: Move processing of virtual partitions
udf: Move filling of partition descriptor info into a separate function
udf: Improve error recovery on mount
udf: Cleanup volume descriptor sequence processing
udf: fix anchor point detection
udf: Remove declarations of arrays of size UDF_NAME_LEN (256 bytes)
udf: Remove checking of existence of filename in udf_add_entry()
udf: Mark udf_process_sequence() as noinline
...
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This adds support for using large page NAND devices
with the S3C24XX NAND controller. This also adds the
file Documentation/arm/Samsung-S3C24XX/NAND.txt to
describe the differences.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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While looking at the implementation of the Ram backed block device
driver, I stumbled across a write-only local variable, which makes
little sense, so I assume it should actually work like this:
Signed-off-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 03680b1e00d146df718c8a4eac34438566b70c85 incorrectly
was assuming S3C2410_NFCONF was being used to select the
NAND chip. Fix this error by ising the sel_reg.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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A power loss while writing can result in a page becoming unreadable.
When the device is mounted again, reading that page gives controller
errors. Upper level software like JFFS2 treat -EIO as fatal, refusing to
mount at all. That means it is necessary to treat the error as an ECC
error to allow recovery. Note that typically in this case, the
eraseblock can still be erased and rewritten i.e. it has not become a
bad block.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Minor tweaks to omap_nor ... as with most platform drivers, its probe
and remove logic can (and should!) safely vanish in most configs.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This is a known erratum confirmed by Spansion. I have an errata document,
but I can't find a link to it anywhere on their site to include here.
Some of the S29GL064N chips report 64 sectors when they should report 128,
and some of S29GL032N chips report 127 sectors when they should report 63.
Note that when the chip dies are fixed by Spansion, they will still have
the same id. The fix is done in such a way that it won't affect corrected
chips.
The fixups use the extended id made available by a previous patch. Without
that, virtually all newer AMD/Spansion chips will have the same ID (0x227e)
and it's not possible to apply the fixup to the correct chips.
Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Since 43cc71eed1250755986da4c0f9898f9a635cb3bf, the platform
modalias is prefixed with "platform:". Add MODULE_ALIAS() to the
hotpluggable I2C platform drivers, to allow module auto loading.
[ db: add some more drivers ]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This is V5 of the SuperH Mobile I2C Controller Driver. A simple Master
only driver for the I2C block included in processors such as sh7343,
sh7722 and sh7723. Tested on a sh7722 MigoR using a rs5c732b rtc.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Don't use 0 as NULL pointer.
Spotted by sparse.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Move init_completion to just before i2c transfer.
http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3385
Signed-off-by: Hans Schillstrom <hans.schillstrom@shlsys.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Simply use "depends on BLACKFIN" (which is technically correct) and just
document which machines have the device.
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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maintained in the scm's log
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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information
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Blackfin TWI controller hardware pin should be requested from GPIO port controller
Before BF54x, there is no need to do this. But as long as BF54x and BF52x
are supported by this generic driver, the missing pin mux operation should be
added.
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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controllers
- Dynamic alloc the resource of TWI driver data according to board information
- TWI register read/write accessor based on dynamic regs_base
- Support TWI0/TWI1 for BF54x
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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master xfer operation
- Create a new mode TWI_I2C_MODE_REPEAT.
- No change to smbus operation.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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__FUNCTION__ is gcc-specific, use __func__.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Driver for I2C interfaces in master mode on SH7760.
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Split the handling of the I2C_RDWR and I2C_SMBUS ioctls to their own
functions. This limits the stack usage, saves one level of indentation
and makes the code more readable.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This patch allows the i2c-ibm_iic driver to be built either as an ocp
driver or an of_platform driver. This allows it to run under the powerpc
arch but maintains backward compatibility with the ppc arch.
Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Change the log levels based on feedback from linxppc-dev.
Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Tested on a blackfin.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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