| Commit message (Collapse) | Author | Age |
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Fixes this report:
http://article.gmane.org/gmane.linux.kernel.pcmcia.devel/2228/
Reported-by: John McGrath <john@john-mcgrath.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't leak kernel stack information through uninitialized structure members.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Borislav Petkov <petkovbb@gmail.com>.
Signed-off-by: David S. Miller <davem@davemloft.net>
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I'm using ide on 2.6.30.1 with xfs filesystem. I noticed a kernel memory
leak after writing lots of data, the kmalloc-96 slab cache keeps
growing. It seems the struct ide_cmd kmalloced by idedisk_prepare_flush
is never kfreed.
Commit a09485df9cda49fbde2766c86eb18a9cae585162 ("ide: move request
type specific code from ide_end_drive_cmd() to callers (v3)") and
f505d49ffd25ed062e76ffd17568d3937fcd338c ("ide: fix barriers support")
cause this regression, cmd->rq must now be set for ide_complete_cmd to
honor the IDE_TFLAG_DYN flag.
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit a1317f714af7aed60ddc182d0122477cbe36ee9b.
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ioctl HDIO_OBSOLETE_IDENTITY
This patch fixes a memory overrun in function ide_get_identity_ioctl() which
chooses the size of a memory buffer depending on the ioctl command that led
to the function call, however, passes that buffer to a function which needs the
buffer size to be always chosen unconditionally.
Due to conditional compilation the memory overrun can only happen on big endian
machines. The error can be triggered using ioctl HDIO_OBSOLETE_IDENTITY. Usage
of ioctl HDIO_GET_IDENTITY is safe.
Signed-off-by: Christian Engelmayer <christian.engelmayer@frequentis.com>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 2f0d0fd2a605666d38e290c5c0d2907484352dc4 ("ide-acpi: cleanup
do_drive_get_GTF()") didn't account for the lack of hwif->acpidata
check in generic_ide_suspend() [ indirect user of do_drive_get_GTF()
through ide_acpi_exec_tfs() ] resulting in broken resume when ACPI
support is enabled but ACPI data is unavailable.
Fix it by adding ide_port_acpi() helper for checking if port needs
ACPI handling and cleaning generic_ide_{suspend,resume}() to use it
instead of hiding hwif->acpidata and ide_noacpi checks in IDE ACPI
helpers (this should help in preventing similar bugs in the future).
While at it:
- kill superfluous debugging printks in ide_acpi_{get,push}_timing()
Reported-and-tested-by: Etienne Basset <etienne.basset@numericable.fr>
Also-reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are some devices in the wild that clear the DRQ bit during the
last word of a packet command and therefore could use a "second chance"
for that last word of data to be xferred instead of simply failing the
request. Do that by attempting to suck in those last bytes in PIO mode.
In addition, the ATA_ERR bit has to be cleared for we cannot be sure the
data is valid otherwise.
See http://bugzilla.kernel.org/show_bug.cgi?id=13399 for details.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* Use blk_rq_bytes() instead of obsolete ide_rq_bytes() in ide_kill_rq()
and ide_floppy_do_request() for failed requests.
[ bugfix part ]
* Use blk_rq_bytes() instead of obsolete ide_rq_bytes() in ide_do_devset()
and ide_complete_drive_reset(). Then remove ide_rq_bytes().
[ cleanup part ]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Such requests should be failed with -EIO (like all other requests
in this function) instead of being completed successfully.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In 86ccf37c6acd74cf7e4b7751ee045de19943c5a0 the driver was modified
to deal with the removal of the pciirq argument to ide_pci_setup_ports().
But in the conversion only the first port's IRQ gets setup.
Inspired by a patch by Bartlomiej Zolnierkiewicz., and with help from
Alan Cox.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make hwif->rq point to PM request during PM sequence and do not allow
any other types of requests to slip in (the old comment was never correct
as there should be no such requests generated during PM sequence).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are some broken devices that report multiple DMA xfer modes
enabled at once (ATA spec doesn't allow it) but otherwise work fine
with DMA so just delete ide_id_dma_bug().
[ As discovered by detective work by Frans and Bart, due to how
handling of the ID block was handled before commit c419993
("ide-iops: only clear DMA words on setting DMA mode") this
check was always seeing zeros in the fields or other similar
garbage. Therefore this check wasn't actually checking anything.
Now that the tests actually check the real bits, all we see are
devices that trigger the check yet work perfectly fine, therefore
killing this useless check is the best thing to do. -DaveM ]
Reported-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the error gets repeated too frequently, for example each
time HAL polls the device when a disc is present. Avoid that by using
printk_once instead of printk.
Also join the error and corrective action messages into a single line.
Signed-off-by: Frans Pop <elendil@planet.nl>
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Frans Pop reported that his CDROM drive reports a blocksize of 2352,
and this causes new warnings due to commit
e8e7b9eb11c34ee18bde8b7011af41938d1ad667 ("ide-cd: fix oops when using
growisofs").
What we're trying to do is make sure that "blocklen >> SECTOR_BITS"
is something the block layer won't choke on.
And for Frans' case "2352 >> SECTOR_BITS" is equal to
"2048 >> SECTOR_BITS", and thats "4".
So warning in this case gives no real benefit.
Reported-by: Frans Pop <elendil@planet.nl>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add ide_host_enable_irqs() helper and use it in ide_host_register()
before registering ports. Then remove no longer needed IRQ unmasking
from in init_irq().
This should fix the problem with "screaming" shared IRQ on the first
port (after request_irq() call while we have the unexpected IRQ pending
on the second port) which was uncovered by my rework of the serialized
interfaces support.
Reported-by: Frans Pop <elendil@planet.nl>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This begins to fix regressions reported by Frans Pop on his Ultra-10.
There are still some funnies left that we are investigating.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
sdhci: remove needless double parenthesis
sdhci: Specific quirk vor VIA SDHCI controller in VX855ES
s3cmci: fix dma configuration call
mmc: Add new via-sdmmc host controller driver
sdhci: Add support for hosts that are only capable of 1-bit transfers
MAINTAINERS: add myself as atmel-mci maintainer (sd/mmc interface)
sdhci: Add SDHCI_QUIRK_NO_MULTIBLOCK quirk
sdhci: Add better ADMA error reporting
sdhci-s3c: Samsung S3C based SDHCI controller glue
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Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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The SDHCI controller found in the VX855ES requires 10ms
delay between applying power and applying clock.
This issue has been discovered and documented by the OLPC XO1.5 team.
Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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This was missed in the DMA changes during the s3c24xx
updates in commit 8970ef47d56fd3db28ee798b9d400caf08abd924.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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This adds the via-sdmmc driver for the SD/MMC-controller of VIA,
which is found in a number of recent integrated VIA chipset
products.
Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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Some hosts (hardware configurations, or particular SD/MMC slots) may
not support 4-bit bus. For example, on MPC8569E-MDS boards we can
switch between serial (1-bit only) and nibble (4-bit) modes, thought
we have to disable more peripherals to work in 4-bit mode.
Along with some small core changes, this patch modifies sdhci-of
driver, so that now it looks for "sdhci,1-bit-only" property in the
device-tree, and if specified we enable a proper quirk.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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Add quirk to show the controller cannot do multi-block IO.
This is mainly for the Samsung SDHCI controller that currently
cannot manage to do multi-block PIO without timing out.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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Update the ADMA error reporting to not only show the
overall controller state but also to print the ADMA
descriptor list.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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Add support for the 'HSMMC' block(s) in the Samsung SoC
line. These are compatible with the SDHCI driver so add
the necessary setup and driver binding for the platform
devices.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: aes-ni - Remove CRYPTO_TFM_REQ_MAY_SLEEP from fpu template
crypto: aes-ni - Do not sleep when using the FPU
crypto: aes-ni - Fix cbc mode IV saving
crypto: padlock-aes - work around Nano CPU errata in CBC mode
crypto: padlock-aes - work around Nano CPU errata in ECB mode
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Extend previous workarounds for the prefetch bug to cover CBC mode,
clean up the code a bit.
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Acked-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The VIA Nano processor has a bug that makes it prefetch extra data
during encryption operations, causing spurious page faults. Extend
existing workarounds for ECB mode to copy the data to an temporary
buffer to avoid the problem.
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Acked-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (35 commits)
Input: add driver for Synaptics I2C touchpad
Input: synaptics - add support for reporting x/y resolution
Input: ALPS - handle touchpoints buttons correctly
Input: gpio-keys - change timer to workqueue
Input: ads7846 - pin change interrupt support
Input: add support for touchscreen on W90P910 ARM platform
Input: appletouch - improve finger detection
Input: wacom - clear Intuos4 wheel data when finger leaves proximity
Input: ucb1400 - move static function from header into core
Input: add driver for EETI touchpanels
Input: ads7846 - more detailed model name in sysfs
Input: ads7846 - support swapping x and y axes
Input: ati_remote2 - use non-atomic bitops
Input: introduce lm8323 keypad driver
Input: psmouse - ESD workaround fix for OLPC XO touchpad
Input: tsc2007 - make sure platform provides get_pendown_state()
Input: uinput - flush all pending ff effects before destroying device
Input: simplify name handling for certain input handles
Input: serio - do not use deprecated dev.power.power_state
Input: wacom - add support for Intuos4 tablets
...
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This driver supports Synaptics I2C touchpad controller on eXeda
mobile device. Unfortunaltely it only works in relative mode and
thus is not comaptible with Xorg Synaptics driver.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Synaptics uses anisotropic coordinate system. On some wide touchpads
vertical resolution can be twice as high as horizontal which causes
unequal sensitivity on x/y directions. Add support for reading the
resolution with EVIOCGABS ioctl.
Signed-off-by: Tero Saarni <tero.saarni@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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When pressing any button belonging to the touchpoint, the generated
click events don't belong to the touchpoint but to the touchpad.
This patch fixes this behaviour, the events will be sent via the
correct device, so scrolling with touchpoint is possible.
Signed-off-by: Ulrich Dangel <uli@spamt.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The gpio_get_value function of I2C/SPI GPIO expander may sleep thus this
function call can not be called in a timer function.
Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Some SoCs support only pin change interrupts on GPIO pins used as irq
lines.
The ads7846 core is not affected from the additional irqs on the rising
edge because the code accounts touch bounce anyway by kicking in a timer
and disabling the irq after the first request and reenabling the irq after
a timeout when there is no longer pen down detected.
Signed-off-by: Michael Roth <mroth@nessie.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The touchscreen works in two modes, wait trigger mode and auto-semi
mode. The device starts in wait trigger mode and waits until pressure
is detected, then device sets WT_INT bit and raises an interrupt.
The driver should put the device into auto-semi mode and prepare for
reading first X and then Y coordinates. When coordinate data is ready
the driver sets ADC_INT bit and raises interrupt again.
[dtor@mail.ru: various cleanups]
Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The appletouch driver is prone to reporting multiple fingers when only
one is pressing. The appletouch driver queries an array of pressure
sensors and counts local maxima in pressure to determine the number of
fingers. It just does this on the raw values, so a data stream like:
0 100 250 300 299 300 250 100 0
actually registers as 2 fingers.
This patch updates the logic to ignore small dips in pressure that are
less than the threshold.
Signed-off-by: Jeremy Huddleston <jeremyhu@freedesktop.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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it's a little too large for static line.
The ts is currently the only mainline user but Marek Vasut claims that
there is a battery driver in an ARM tree which also needs this function.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This patch adds a driver for EETI's I2C connected touchscreens.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Tested-by: Sven Neumann <s.neumann@raumfeld.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Michael Roth <mroth@nessie.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Michael Roth <mroth@nessie.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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No point in using atomic bitops when setting the input device keybits.
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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lm8323 is the keypad driver used in n810 device.
[akpm@linux-foundation.org: coding-style fixes]
[dtor@mail.ru: various cleanups]
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Reviewed-by: Trilok Soni <soni.trilok@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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It appears that when the XO touchpad unit resets from ESD, it sends AA
AA instead of AA 00, the psmouse-base code handles the case of AA 00 by
triggering a serio reconnect for the port, causing a full reprobe of
the device.
Testing with OFW shows that this is likely to solve the problem, so
the attached patch simply expands the existing test to also catch AA AA.
Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Deepak Saxena <dsaxena@laptop.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The platform codes must provide get_pendown_state() for the driver
to work properly.
Signed-off-by: Kwangwoo Lee <kwangwoo.lee@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The destruction of a input device in uinput is triggered by an ioctl().
If a process tries to destroy an input device while other is uploading a
force feedback effect by evdev to the same device, they'll deadlock.
This patch fixes the problem by flushing all pending FF uploads before
destroying the device and preventing new uploads during this operation.
[dtor@mail.ru: fix logic that ensures we don't submit new requests
to the device that is being destroyed.]
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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For evdev, joydev and mousedev, instead of having a separate character array
holding name of the handle, use struct devce's name which is the same.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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