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em28xx doesn't have temporal scaling. However, on webcams, sensors are
capable of changing the output rate. So, VIDIOC_[G|S]_PARM ioctls should
be passed to the sensor for it to properly set frame rate.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Implement g_parm/s_parm ioctls. Those are used to check the current
frame rate (in fps) and to set it to a value. In practice, there are
only 15 possible different speeds, due to chip limits.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
A user discovered that the Geniatech x8000 encountered a regression when
the xc3028 power management was introduced. The xc3028 never recovers after
setting the powerdown register, which is probably because the xc3028 reset
GPIO is not properly configured. Since I do not have access to the hardware
and thus cannot determine the correct GPIO configuration, just disable xc3028
power management on this board, which fixes the regression.
Thanks to user "ritec" for reporting the issue and testing the fix.
Cc: rictec <rictec@netcabo.pt>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The introduction of the zl10353 i2c gate control broke support for the
Geniatech board (which is not behind an i2 gate). Add the needed parameter.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Remove the following build warning:
sms-cards.c: In function 'sms_board_event':
sms-cards.c:120: warning: unused variable 'board'
Thanks to Hans Verkuil for pointing this out.
The problem code has been #if 0'd for now, this will likely be
used again in the future, once the event interface is complete.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The iSight sends non-UVC status events through the interrupt endpoint. Those
invalid events are reported to the kernel log, resulting in a log flood.
Only log the events when the UVC_TRACE_STATUS flag is set.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Commit 50144aeeb702ea105697ae5249f059ea3990b838 broke the Samsung NC10
netbook webcam. Instead of applying the FIX_BANDWIDTH quirk to all ViMicro
devices, list the devices explicitly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The current GPIO configuration breaks all Hauppauge devices.
The code being removed affects Hauppauge devices only,
and is the cause of the breakage.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Currently, the VIDIOC_S_STD ioctl just returns -EINVAL regardless of
the norm passed. This patch sets cx23885_mpeg_template.tvnorms and
cx23885_mpeg_template.current_norm so that the VIDIOC_S_STD will work.
Thanks to Joseph Yasi for pointing this out, even though this particular
fix was already pushed into a development repository, merge priority of
this changeset has been escalated as a result of Joseph posting this
identical patch.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Joseph A. Yasi <joe.yasi@gmail.com>
Reviewed-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Current tip is broken and does not switch back to DVB-T correctly
Signed-off-by: Sohail Syyed <linuxtv@hubstar.net>
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This device uses msp34xx and uses 2.048 MHz frequency for I2S
communication.
Thanks to Angelo Cano <acano@fastmail.fm> for pointing the issues with
this device and proposing an approach for fixing the issue.
Tested-by: Angelo Cano <acano@fastmail.fm>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Fixes stack corruption bug present in dump_regs function of zl10353 and
qt1010 drivers: the buffer buf was one byte smaller than required -
there are 4 chars for address prefix, 16 * 3 chars for dump of 16 eeprom
bytes per line and 1 byte for zero ending the string required, i.e. 53
bytes, but only 52 were provided.
The one byte missing in stack based buffer buf can cause stack
corruption possibly leading to kernel oops, as discovered originally
with af9015 driver (af9015: fix stack corruption bug).
Signed-off-by: Jan Nikitenko <jan.nikitenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Some mt9v011 webcams report 0x8332 chip version, instead of 0x8243. From
the revision history at the mt9v011 datasheet, it seems that the chip
version has changed from the first release of the chip.
Thanks-to hermann pitton <hermann-pitton@arcor.de> for pointing this to
me, on his tests with a Silvercrest webcam.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This mistakenly tested against sizeof(freqs) instead of the array size. Due to
the mask the only illegal value possible was 3.
Reported-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This mistakenly tests against sizeof(freqs) instead of the array size. Due to
the mask the only illegal value possible was 3.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
o Defer napi resouce allocation to device attach.
o Free napi resources and delete napi during detach.
This ensures right behavior across firmware reset.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Remove private workqueue in the driver, move all
scheduled tasks to keventd workqueues. This makes
ports (interfaces) of same / different NIC boards
independent, in terms of their link watchdog and
reset tasks.
o Move quick checks for link status and temperature
in timer callback, schedule watchdog task only if
link status changed or temperature reached critical
threshold.
This also fixes deadlock when thermal panic occurs,
watchdog work was flushing workqueue that it was
sitting on.
Signed-off-by: Amit Kumar Salecha <amit@qlogic.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently setting rx-usecs when the interface is in legacy interrupt
mode it is not immediate. We were only setting EITR for each MSIx
vector and since this count would be zero for legacy mode it wasn't
set until after a reset. This patch corrects that by checking what
mode we are in and then setting EITR accordingly.
Signed-off-by: Don Skidmore <donald.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For 'real' hardware CAN devices the netlink interface is used to set CAN
specific communication parameters. Real CAN hardware can not be created with
the ip tool ...
The invocation of 'ip link add type can' lead to an oops as the standard rtnl
newlink function was called:
http://bugzilla.kernel.org/show_bug.cgi?id=13954
This patch adds a private newlink function for the CAN device driver interface
that unconditionally returns -EOPNOTSUPP.
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Reported-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
CC: Patrick McHardy <kaber@trash.net>
CC: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix another ocurring when the system resumes. This oops was due to driver
setting the pci drvdata to NULL on the prior hibernation. Becuase it was
set to NULL, upon resmume we assume the pci drvdata is non-zero, and we oops.
To fix the ooops, we don't set pci drvdata to NULL at hibernation time.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Fix oops ocurring at hibernation time. This oops was due to the firmware fault
watchdog timer still running after we freed resources. To fix the issue we need
to terminate the watchdog timer at hibernation time.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This restriction is introduced just to avoid loop of
config_request. Retry must be limited so we have restricted
config request to maximum 2 times.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Inhibit 0x3117 loginfos - during cable pull, there are too many printks going
to the syslog, this is have impact on how fast the interrupt routine can handle
keeping up with command completions; this was the root cause to the config
pages timeouts.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
When a volume is activated, the driver will recieve a pair of ir config change
events to remove the foreign volume, then add the native.
In the process of the removal event, the hidden raid componet is removed from
the parent.When the disks is added back, the adding of the port fails becuase
there is no instance of the device in its parent.
To fix this issue, the driver needs to call mpt2sas_transport_update_links()
prior to calling _scsih_add_device. In addition, we added sanity checks on
volume add and removal to ignore events for foreign volumes.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Kernel panic is seen because driver did not tear down the port which should
be dnoe using mpt2sas_transport_port_remove(). without this fix When expander
is added back we would oops inside sas_port_add_phy.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Kernel panic is seen because of enclosure_handle received from FW is zero.
Check is introduced before calling mpt2sas_config_get_enclosure_pg0.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* 'for-linus' of git://neil.brown.name/md:
md: allow upper limit for resync/reshape to be set when array is read-only
md/raid5: Properly remove excess drives after shrinking a raid5/6
md/raid5: make sure a reshape restarts at the correct address.
md/raid5: allow new reshape modes to be restarted in the middle.
md: never advance 'events' counter by more than 1.
Remove deadlock potential in md_open
The driver always:
1. allocate cp->rx_buf_sz + NET_IP_ALIGN
2. map cp->rx_buf_sz
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Normally we only allow the upper limit for a reshape to be decreased
when the array not performing a sync/recovery/reshape, otherwise there
could be races. But if an array is part-way through a reshape when it
is assembled the reshape is started immediately leaving no window
to set an upper bound.
If the array is started read-only, the reshape will be suspended until
the array becomes writable, so that provides a window during which it
is perfectly safe to reduce the upper limit of a reshape.
So: allow the upper limit (sync_max) to be reduced even if the reshape
thread is running, as long as the array is still read-only.
Signed-off-by: NeilBrown <neilb@suse.de>
We were removing the drives, from the array, but not
removing symlinks from /sys/.... and not marking the device
as having been removed.
Signed-off-by: NeilBrown <neilb@suse.de>
This reverts commit 57921c312e8cef72ba35a4cfe870b376da0b1b87.
On request from John Linville:
It has been shown to create a new problem. There is work
towards a solution to that one, but it isn't a simple
clean-up.
Signed-off-by: David S. Miller <davem@davemloft.net>
This "if" don't allow for the possibility that the number of devices
doesn't change, and so sector_nr isn't set correctly in that case.
So change '>' to '>='.
Signed-off-by: NeilBrown <neilb@suse.de>
md/raid5 doesn't allow a reshape to restart if it involves writing
over the same part of disk that it would be reading from.
This happens at the beginning of a reshape that increases the number
of devices, at the end of a reshape that decreases the number of
devices, and continuously for a reshape that does not change the
number of devices.
The current code is correct for the "increase number of devices"
case as the critical section at the start is handled by userspace
performing a backup.
It does not work for reducing the number of devices, or the
no-change case.
For 'reducing', we need to invert the test. For no-change we cannot
really be sure things will be safe, so simply require the array
to be read-only, which is how the user-space code which carefully
starts such arrays works.
Signed-off-by: NeilBrown <neilb@suse.de>
When assembling arrays, md allows two devices to have different event
counts as long as the difference is only '1'. This is to cope with
a system failure between updating the metadata on two difference
devices.
However there are currently times when we update the event count by
2. This was done to keep the event count even when the array is clean
and odd when it is dirty, which allows us to avoid writing common
update to spare devices and so allow those spares to go to sleep.
This is bad for the above reason. So change it to never increase by
two. This means that the alignment between 'odd/even' and
'clean/dirty' might take a little longer to attain, but that is only a
small cost. The spares will get a few more updates but that will
still be spared (;-) most updates and can still go to sleep.
Prior to this patch there was a small chance that after a crash an
array would fail to assemble due to the overly large event count
mismatch.
Signed-off-by: NeilBrown <neilb@suse.de>
Some gigabytes have on-board SIMG5723s connected to JMB ahcis. These
are used to implement hardware raid. Unfortunately some firmware
revisions on these 5723s don't bring the link down when all the
downstream ports are unoccupied while not responding to reset protocol
which makes libata think that there's device attached to the port but
is not responding and retry. This results in painfully wrong boot
detection time for these ports when they're empty.
This patch quirks those boards such that ahci gives up after the
initial timeout. Combined with parallel probing, this gives quick
enough probing and also is safe because SIMG5723 will respond to the
first try if any of the downstream ports is occupied.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Marc Bowes <marcbowes@gmail.com>
Reported-by: Nicolas Mailhot <Nicolas.Mailhot@LaPoste.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Too strong words led to spurious bug reports: Novell bugzilla #527748,
RedHat bugzilla #468800. This patch is used to soften up the dmesg on
SB600 PMP softreset failure recovery, so as to remove the scariness and
concern from community.
Reported-by: pgnet Dev <pgnet.dev@gmail.com>
Signed-off-by: Shane Huang <shane.huang@amd.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
At least the nVidia MCP55 controller quite happily supports MSI.
This adds an option to use it. It is disabled by default.
As per feedback by Robert Hancock, it will honour the user
request as the kernel will not enable MSI where the controller
or the specific system configuration do not support it.
Signed-off-by: Tony Vroon <tony@linx.net>
Cc: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
OCZ Vertex SSD can't do HPA and not in a usual way. It reports HPA,
allows unlocking but then fails all IOs which fall in the unlocked
area. Quirk it so that HPA unlocking is not used for the device.
Reported by Daniel Perup in bnc#522414.
https://bugzilla.novell.com/show_bug.cgi?id=522414
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Daniel Perup <probe@spray.se>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
PIO and MWDMA timings are never programmed for the second channel
because timing registers are treated as 16-bit long ones.
The bug is an attixp -> pata_atiixp regression and goes back to:
commit 669a5db411d85a14f86cd92bc16bf7ab5b8aa235
Author: Jeff Garzik <jeff@garzik.org>
Date: Tue Aug 29 18:12:40 2006 -0400
[libata] Add a bunch of PATA drivers.
Cc: Krystian Juskowiak <jusko@tlen.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bbpetkov@yahoo.de>
Cc: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Julias Lawall discovered that pata_at91 wasn't freeing a memory region
allocated with kzalloc() on init failure paths. Upon review,
pata_at91 also seems to be doing unnecessary explicit resource
releases for managed resources too. Convert memory allocation to
managed one and drop unnecessary explicit resource releases.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Julia Lawall <julia@diku.dk>
Cc: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Commit 783ea7d4eeefe895f2731fe73ac951e94418927b
(Driver Core: Rework platform suspend/resume, print warning)
added a warning message printed for platform drivers that use the
legacy PM callbacks rather than struct dev_pm_ops. Unfortunately,
this resulted in some confusion and made some people try to convert
drivers by replacing the old callbacks with struct dev_pm_ops in
automatic way, which generally is not a good idea.
Remove the platform device runtime dev_pm_ops warning for now,
because it's annoying to users and it's not really necessary right
now.
[rjw: Modified the changelog to be more informative.]
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
queue == __AR9170_NUM_TXQ would cause a bug on the next line.
found by Smatch ( http://repo.or.cz/w/smatch.git ).
Cc: stable@kernel.org
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
