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mflash's polling driver operate in standard request_fn_proc's context,
sleep in this isn't permitted.
Signed-off-by: unsik Kim <donari75@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This fixes
- locking bug that was hidden by ecc2e05e739c30870c8e4f252b63a0c4041f2724
- Regression #13821
- Spurious warning when closing and blocking for data write out
With these changes my PL2303 always ends up as ttyUSB0 when it should and
the module refcounts stay correct.
I'll do a more wholesale split & tidy of _open in the next release or two
as we get a standard tty_port_open and port->ops->init port->ops->shutdown
call backs.
Copy sent to Alan Stern and Carlos Mafra just to confirm it fixes all the
reports but it passes local testing with the same hardware as Alan Stern.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This also makes close stall in the normal case which is apparently
needed to fix emacs
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (45 commits)
cnic: Fix ISCSI_KEVENT_IF_DOWN message handling.
net: irda: init spinlock after memcpy
ixgbe: fix for 82599 errata marking UDP checksum errors
r8169: WakeOnLan fix for the 8168
netxen: reset ring consumer during cleanup
net/bridge: use kobject_put to release kobject in br_add_if error path
smc91x.h: add config for Nomadik evaluation kit
NET: ROSE: Don't use static buffer.
eepro: Read buffer overflow
tokenring: Read buffer overflow
at1700: Read buffer overflow
fealnx: Write outside array bounds
ixgbe: remove unnecessary call to device_init_wakeup
ixgbe: Don't priority tag control frames in DCB mode
ixgbe: Enable FCoE offload when DCB is enabled for 82599
net: Rework mdio-ofgpio driver to use of_mdio infrastructure
register at91_ether using platform_driver_probe
skge: Enable WoL by default if supported
net: KS8851 needs to depend on MII
be2net: Bug fix in the non-lro path. Size of received packet was not updated in statistics properly.
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: read the right F2 maskoffset reg
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The port lock is used to protect the port state. However the port structure
is freed on a hangup, then the lock taken on a close. The right fix is to
drop the port on tty->shutdown() but we can't yet do that due to sleep v
non-sleeping rules. Instead do the next best thing and fix it up when we are
not in -rc season.
Reported-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Tested-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (34 commits)
V4L/DVB (12303): cx23885: check pointers before dereferencing in dprintk macro
V4L/DVB (12302): cx23885-417: fix broken IOCTL handling
V4L/DVB (12300): bttv: fix regression: tvaudio must be loaded before tuner
V4L/DVB (12291): b2c2: fix frontends compiled into kernel
V4L/DVB (12286): sn9c20x: reorder includes to be like other drivers
V4L/DVB (12284): gspca - jpeg subdrivers: Check the result of kmalloc(jpeg header).
V4L/DVB (12283): gspca - sn9c20x: New subdriver for sn9c201 and sn9c202 bridges.
V4L/DVB (12282): gspca - main: Support for vidioc_g_chip_ident and vidioc_g/s_register.
V4L/DVB (12269): af9013: auto-detect parameters in case of garbage given by app
V4L/DVB (12267): gspca - sonixj: Bad sensor init of non ov76xx sensors.
V4L/DVB (12265): em28xx: fix tuning problem in HVR-900 (R1)
V4L/DVB (12263): em28xx: set demod profile for Pinnacle Hybrid Pro 320e
V4L/DVB (12262): em28xx: Make sure the tuner is initialized if generic empia USB id was used
V4L/DVB (12261): em28xx: set GPIO properly for Pinnacle Hybrid Pro analog support
V4L/DVB (12260): em28xx: make support work for the Pinnacle Hybrid Pro (eb1a:2881)
V4L/DVB (12258): em28xx: fix typo in mt352 init sequence for Terratec Cinergy T XS USB
V4L/DVB (12257): em28xx: make tuning work for Terratec Cinergy T XS USB (mt352 variant)
V4L/DVB (12245): em28xx: add support for mt9m001 webcams
V4L/DVB (12244): em28xx: adjust vinmode/vinctl based on the stream input format
V4L/DVB (12243): em28xx: allow specifying sensor xtal frequency
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] zcrypt: fix scheduling of hrtimer ap_poll_timer
[S390] vdso: clock_gettime of CLOCK_THREAD_CPUTIME_ID with noexec=on
[S390] vdso: fix per cpu area allocation
[S390] hibernation: fix register corruption on machine checks
[S390] hibernation: fix lowcore handling
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When a net device goes down or when the bnx2i driver is unloaded,
the code was not generating the ISCSI_KEVENT_IF_DOWN message
properly and this could cause the userspace driver to crash.
This is fixed by sending the message properly in the shutdown path.
cnic_uio_stop() is also added to send the message when bnx2i is
unregistering.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Wan Wei <onewayforever@gmail.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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There is an 82599 errata that UDP frames with a zero checksum are
incorrectly marked as checksum invalid by the hardware. This was
leading to misleading hw_csum_rx_error counts. This patch adds a
test around this counter increase for this condition.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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More stuff for http://bugzilla.kernel.org/show_bug.cgi?id=9512
Some 8168 are unable to WoL when receiving is not enabled (plain
old 8169 do not seem to care).
It is not exactly pretty to leave the receiver enabled but we
should now enable DMA late enough for it to be safe. Some late
stage boot failure due to pxe and friends may benefit from the
delayed enabling of bus-mastering as well.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Jaromír Cápík <tavvva@volny.cz>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
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Reset consumer of status rings to 0 when cleaning
up sw resources. Status rings are not deleted
during suspend since they have napi objects.
This ensures correct rx processing across suspen-resume.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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io[i] is read before the bounds check on i, order should be reversed
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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io[i] is read before the bounds check on i, order should be reversed
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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loop bound looks to be wrong, for an array of length 8
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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phy_idx is checked to be < 4, but np->phys[] is 2 elements long
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When enabling debug with v4l_debug set to 2 or greater, the driver
OOPS's on startup. Checks dev pointer before dereferencing, in
order to prevent this OOPS.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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IOCTLS will never get handled if we dont connect
video_ioctl2 to mpeg_fops.ioctl
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Both tvaudio and the tuner share i2c address 0x42. The tvaudio module can
check whether it really is a tda9840, but the tuner can't. So the tvaudio
module must be loaded before the tuner module. This was also the case for
2.6.29, but the order was swapped in 2.6.30.
Thanks to Krzysztof Grygiencz for reporting and testing this.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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A recent patch didn't take into account that frontends can be compiled into
the kernel. Or that frontends compiled as modules can't be used by the
b2c2 driver if it is not a module itself.
Some frontends require multiple drivers, e.g. a demod driver and a tuner
driver. The code for the frontend support was getting added if the demod
driver was available. Change this to also require any needed tuner or SEC
drivers as well.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This is not just pure cosmetic, since the order affects the out-of-tree
module build at the -hg development tree.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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header).
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Brian Johnson <brijohn@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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vidioc_g/s_register.
Signed-off-by: Brian Johnson <brijohn@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Request demodulator auto-detect transmission parameters in case of
garbage parameters provided by application for compatibility.
That's needed at least for MPlayer compatibility currently.
Thanks to Jelle de Jong for reporting issue and providing SSH access to
Devin for debugging.
Thanks to Devin Heitmueller for hard debug work he did to find that bug.
Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: Jelle de Jong <jelledejong@powercraft.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The bug was introduced when adding the light frequency control
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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When the change was introduced in the zl10353 for the i2c gate behavior, this
broke the HVR-900 which was not behind a gate. Use a version of the zl10353
config profile that indicates the tuner is not behind such a gate.
Without this patch the first tune succeeds, but subsequent tuning attempts
will fail.
The change also renames the terratec zl10353 profile I wrote to be more
generic, since it is shared by the non-terratec device.
Thanks to Michael Krufky for providing a HVR-900 and DVB-T environment to test
with.
Cc: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The Pinnacle Hybrid Pro 320e was missing a demod config for the xc3028, which
is required for digital tuning to work properly. Add the missing profile.
Thanks to Andreas Lunderhage for testing patches and providing a remote debug
environment.
Cc: Andreas Lunderhage <lunderhage@home.se>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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USB id was used
In cases where the device has a generic Empia USB ID, the call in the
precard setup phase did not set the tuner GPIO. As a result, the tuner may
not be taken out of reset before attempting initialization in the analog
driver.
This problem was not seen before with the EVGA inDtube, since that particular
board has the analog GPIO setup to include taking the tuner out of reset.
Thanks to Andreas Lunderhage for testing patches and providing a remote debug
environment for the Pinnacle 320e.
Cc: Andreas Lunderhage <lunderhage@home.se>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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support
Set the GPIO properly for the analog side of the Pinnacle Hybrid Pro, or else
the emp202 doesn't get detected properly.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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(eb1a:2881)
Setup the GPIOs properly and enable support for the DVB side of the Pinnacle
Hybrid Pro USB stick.
Thanks to Andreas Lunderhage for testing patches and providing a remote debug
environment.
Cc: Andreas Lunderhage <lunderhage@home.se>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Cinergy T XS USB
Andy walls pointed out that we were passing 0x5d to the TUNER_GO register,
instead of 0x01. Set the register properly (note the code did still work with
the incorrect value, so this does not address a regression).
Thanks to Andy Walls for noticing the issue.
Cc: Andy Walls <awalls@radix.net>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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(mt352 variant)
The Terratec Cinergy T XS USB can have either a zl10353 or an mt352. Add
support for the MT352 variant.
Thanks to Jelle de Jong for providing a unit to test/debug with.
Cc: Jelle de Jong <jelledejong@powercraft.nl>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Thanks to Wally <wally@voosen.eu> for bringing the issue and helping
with the tests.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Depending on the video input format, vinmode/vinctl needs adjustments.
For TV, this is not relevant, since the supported decoders output data
at the same format. However, webcam sensors may have different formats,
so, this needs to be adjusted based on the device.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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In order to properly estimate fps, mt9v011 sensor driver needs to know
what is the used frequency on the sensor cristal. Adds the proper fields
and initialization code for specifying the cristal frequency.
Also, based on experimentation, it was noticed that the Silvercrest is
outputing data at 7 fps. This means that it should be using a 6.3 MHz
cristal. This information needs to be double checked later, by opening
the device. Anyway, by using this value for xtal, at least now we have
the correct fps report.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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frequency
Since frames per second is a function of cristal frequency, and this is
device-specific, add a function that allows adjusting it, via
subdev->core->s_config callback.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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vstart calculus were wrong. Fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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It is possible to adjust the fps rate by changing some register values.
This is function of the connected Xtal at the camera sensor, being a 27
MHz cristal needed, in order to support 640x480 at 30 fps.
For now, it will only calculate the values for fps. Later patches may
introduce V4L2 ioctls, to allow frequency rate adjustments.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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While trying to fix an mt9v001 webcam, I noticed that HSCALE/VSCALE do
work with em28xx + webcam. The issue is that the scaling setup depends
on the number of visible rows/cols of the input image.
With mt9v011 (Silvercrest), the resolution is 640x480. So, the scaling
is different from a normal TV image (720x480 on NTSC). This were causing
a wrong scaling and a previous patch disabled scaling.
As each sensor have their different resolution setting, the xres/yres
should be adjusted accordingly with the input sensor.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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With the previous approach, autodetection were working only for the two
generic entries (em275x and em2820 unknown ones). So, if someone would
try to force probing an specific device, the code would not properly run
the autodetection code.
With the new approach, the sensor autodetection will be run not only for
the two generic entries, but also do webcam specific ones.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Instead of using em28xx board decoder field for storing sensor information,
let's use instead a separate field for it.
Also, as sensors are currently autodetected, there's no need of having
it at the boards description. So, move it to the main em28xx struct.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Webcams in general don't have eeprom. So, the sensor hint code should be
called to properly detect what sensor is inside.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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to be webcams
By having the webcam devices marked as such, it will help the em28xx
driver to do the right thing on those devices.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Just renames the flag, to use a clearer name. Later patches will use
this flag to properly set some drivers behaviors for webcams.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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A couple of erroneous register writes snuck in that made the image go haywire. Remove these.
Many thanks to Grégory Lardière for finding this out
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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