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Make certain all transports pending free are flushed from the wq
before unloading the module.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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When adapters have differing IRD limits, the RDMA transport will fail to
connect properly. The RDMA transport should use the client's advertised
inbound read limit when computing its outbound read limit. For iWARP
transports, there is currently no standard for exchanging IRD/ORD
during connection establishment so the 'responder_resources' field in the
connect event is the local device's limit. The RDMA transport can be
configured to use a smaller ORD by writing the desired number to the
/proc/sys/sunrpc/svc_rdma/max_outbound_read_requests file.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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The sc_read_wait queue head is no longer used. Remove it.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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At the time __svc_rdma_free is called, we are guaranteed that all references
to this transport are gone. There is, therefore, no need to protect the
resource lists with a spin lock.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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Add a dma map count in order to verify that all DMA mapping resources
have been freed when the transport is closed.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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Separate DMA unmap from context destruction and perform DMA unmapping
in the SQ/RQ CQ reap functions. This is necessary to support software
based RDMA implementations that actually copy the data in their
ib_dma_unmap callback functions and architectures that don't have
cache coherent I/O busses.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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Modify the RDMA_READ processing to use the reply and chunk list mapping data
types. Also add a special purpose 'hdr_count' field in in the context to hold
the header page count instead of overloading the SGE length field and
corrupting the DMA map length.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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Use the new svc_rdma_req_map data type for mapping the client side memory
to the server side memory. Move the DMA mapping to the context pointed to
by each WR individually so that it is unmapped after the WR completes.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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Create a new data structure to hold the remote client address space
to local server address space mapping.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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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:
Input: fix locking in force-feedback core
Input: add KEY_MEDIA_REPEAT definition
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
debugobjects: fix lockdep warning
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: fix cpu hotplug
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
ptrace GET/SET FPXREGS broken
x86: fix cpu hotplug crash
x86: section/warning fixes
x86: shift bits the right way in native_read_tscp
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The newly added event_lock spinlock in the input core disallows sleeping
and therefore using mutexes in event handlers. Convert force-feedback
core to rely on event_lock instead of mutex to protect slots allocated
for fore-feedback effects. The original mutex is still used to serialize
uploading and erasing of effects.
Reported-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This patch adds the Repeat key to the input layer. The usage
in the HUT is 0xBC (listed under "15.7 Transport Controls").
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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When I update kernel 2.6.25 from 2.6.24, gdb does not work.
On 2.6.25, ptrace(PTRACE_GETFPXREGS, ...) returns ENODEV.
But 2.6.24 kernel's ptrace() returns EIO.
It is issue of compatibility.
I attached test program as pt.c and patch for fix it.
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <sys/ptrace.h>
#include <sys/types.h>
struct user_fxsr_struct {
unsigned short cwd;
unsigned short swd;
unsigned short twd;
unsigned short fop;
long fip;
long fcs;
long foo;
long fos;
long mxcsr;
long reserved;
long st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
long xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
long padding[56];
};
int main(void)
{
pid_t pid;
pid = fork();
switch(pid){
case -1:/* error */
break;
case 0:/* child */
child();
break;
default:
parent(pid);
break;
}
return 0;
}
int child(void)
{
ptrace(PTRACE_TRACEME);
kill(getpid(), SIGSTOP);
sleep(10);
return 0;
}
int parent(pid_t pid)
{
int ret;
struct user_fxsr_struct fpxregs;
ret = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpxregs);
if(ret < 0){
printf("%d: %s.\n", errno, strerror(errno));
}
kill(pid, SIGCONT);
wait(pid);
return 0;
}
/* in the kerel, at kernel/i387.c get_fpxregs() */
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Vegard Nossum reported crashes during cpu hotplug tests:
http://marc.info/?l=linux-kernel&m=121413950227884&w=4
In function _cpu_up, the panic happens when calling
__raw_notifier_call_chain at the second time. Kernel doesn't panic when
calling it at the first time. If just say because of nr_cpu_ids, that's
not right.
By checking the source code, I found that function do_boot_cpu is the culprit.
Consider below call chain:
_cpu_up=>__cpu_up=>smp_ops.cpu_up=>native_cpu_up=>do_boot_cpu.
So do_boot_cpu is called in the end. In do_boot_cpu, if
boot_error==true, cpu_clear(cpu, cpu_possible_map) is executed. So later
on, when _cpu_up calls __raw_notifier_call_chain at the second time to
report CPU_UP_CANCELED, because this cpu is already cleared from
cpu_possible_map, get_cpu_sysdev returns NULL.
Many resources are related to cpu_possible_map, so it's better not to
change it.
Below patch against 2.6.26-rc7 fixes it by removing the bit clearing in
cpu_possible_map.
Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com>
Tested-by: Vegard Nossum <vegard.nossum@gmail.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (42 commits)
V4L/DVB (8108): Fix open/close race in saa7134
V4L/DVB (8100): V4L/vivi: fix possible memory leak in vivi_fillbuff
V4L/DVB (8097): xc5000: check device hardware state to determine if firmware download is needed
V4L/DVB (8096): au8522: prevent false-positive lock status
V4L/DVB (8092): videodev: simplify and fix standard enumeration
V4L/DVB (8075): stv0299: Uncorrected block count and bit error rate fixed
V4L/DVB (8074): av7110: OSD transfers should not be interrupted
V4L/DVB (8073): av7110: Catch another type of ARM crash
V4L/DVB (8071): tda10023: Fix possible kernel oops during initialisation
V4L/DVB (8069): cx18: Fix S-Video and Compsite inputs for the Yuan MPC718 and enable card entry
V4L/DVB (8068): cx18: Add I2C slave reset via GPIO upon initialization
V4L/DVB (8067): cx18: Fix firmware load for case when digital capture happens first
V4L/DVB (8066): cx18: Fix audio mux input definitions for HVR-1600 Line In 2 and FM radio
V4L/DVB (8063): cx18: Fix unintended auto configurations in cx18-av-core
V4L/DVB (8061): cx18: only select tuner / frontend modules if !DVB_FE_CUSTOMISE
V4L/DVB (8048): saa7134: Fix entries for Avermedia A16d and Avermedia E506
V4L/DVB (8044): au8522: tuning optimizations
V4L/DVB (8043): au0828: add support for additional USB device id's
V4L/DVB (8042): DVB-USB UMT-010 channel scan oops
V4L/DVB (8040): soc-camera: remove soc_camera_host_class class
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
dock: bay: Don't call acpi_walk_namespace() when ACPI is disabled.
ACPI: don't walk tables if ACPI was disabled
thermal: Create CONFIG_THERMAL_HWMON=n
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
kbuild: fix a.out.h export to userspace with O= build.
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: fw-sbp2: fix parsing of logical unit directories
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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:
udf: Fix regression in UDF anchor block detection
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Removed vmlinux* rule because it matches too many useful files, replacing
it with rules matching filetype by filename (e.g. *.gz). Also unignored
.mailmap from the top directory. Added a comment telling the user how to
check for tracked files being ignored.
Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
Blackfin arch: fix up section mismatch warning
Blackfin arch: fix bug - kernel boot fails when Spinlock and rw-lock debugging enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current
* 'audit.b52' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
[PATCH] remove useless argument type in audit_filter_user()
[PATCH] audit: fix kernel-doc parameter notation
[PATCH] kernel/audit.c: nlh->nlmsg_type is gotten more than once
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
[patch 2/3] vfs: dcache cleanups
[patch 1/3] vfs: dcache sparse fixes
[patch 3/3] vfs: make d_path() consistent across mount operations
[patch 4/4] flock: remove unused fields from file_lock_operations
[patch 3/4] vfs: fix ERR_PTR abuse in generic_readlink
[patch 2/4] fs: make struct file arg to d_path const
[patch 1/4] vfs: path_{get,put}() cleanups
[patch for 2.6.26 4/4] vfs: utimensat(): fix write access check for futimens()
[patch for 2.6.26 3/4] vfs: utimensat(): fix error checking for {UTIME_NOW,UTIME_OMIT} case
[patch for 2.6.26 1/4] vfs: utimensat(): ignore tv_sec if tv_nsec == UTIME_OMIT or UTIME_NOW
[patch for 2.6.26 2/4] vfs: utimensat(): be consistent with utime() for immutable and append-only files
[PATCH] fix cgroup-inflicted breakage in block_dev.c
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the CPU hotplug problems (crashes under high-volume unplug+replug
tests) seem to be related to migrate_dead_tasks().
Firstly I added traces to see all tasks being migrated with
migrate_live_tasks() and migrate_dead_tasks(). On my setup the problem
pops up (the one with "se == NULL" in the loop of
pick_next_task_fair()) shortly after the traces indicate that some has
been migrated with migrate_dead_tasks()). btw., I can reproduce it
much faster now with just a plain cpu down/up loop.
[disclaimer] Well, unless I'm really missing something important in
this late hour [/desclaimer] pick_next_task() is not something
appropriate for migrate_dead_tasks() :-)
the following change seems to eliminate the problem on my setup
(although, I kept it running only for a few minutes to get a few
messages indicating migrate_dead_tasks() does move tasks and the
system is still ok)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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We need to check for existence of the a.out.h header in the source tree,
not the object tree, if we want it to get the right answer with O=.
Signed-off-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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There is a small off-by-one bug in firewire-sbp2. This causes problems
when a device exports multiple LUN Directories. I found it when trying
to talk to a SONY DVD Jukebox.
Signed-off-by: Richard Sharpe <realrichardsharpe@gmail.com>
Acked-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (op. order, changelog)
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The saa7134 driver uses a (non-atomic) variable in an attempt to
only allow one opener of the device (how it deals with sending
the fd over unix sockets I don't know).
Unfortunately, the release function first decrements this variable,
and THEN goes on to disable more of the device. This allows for
a race where another opener of the device comes in after the decrement of
the variable, configures the hardware just to then see the hardware
be disabled by the rest of the release function.
This patch makes the release function use the same lock as the open
function to protect the hardware as well as the variable (which now
at least has some locking to protect it).
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Move allocation after first check and fix memory leak.
Noticed-by: Daniel Marjamäki <danielm77@spray.se>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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download is needed
This patch ensures that the xc5000 will have firmware loaded as needed if the
part is powered down or reset via gpio from the host. An example of this, in
some cases, could be after the system resumes from standby or hibernate modes.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This decreases scan time in Queens, New York from 28 minutes to 7 minutes,
with the exact same services found.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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VIDIOC_ENUMSTD did not return all the PAL/SECAM/NTSC variants: it just returned
one single PAL/SECAM/NTSC standard without separate entries for the trickier
standards like NTSC-JP.
Changed the code so that it behaves better.
Also simplified the if/switch statements into a common standards lookup table.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Fix uncorrected block counter and bit error rate to follow DVB API spec:
- Unsupported controls return -ENOSYS.
- UNC must never be set to 0.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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OSD transfers should not be interrupted.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Catch another type of ARM crash.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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If the i2c write fails during initialisation, an oops happens
because state->frontend.dvb is still undefined. Fixed.
Thanks to Sigmund Augdal for reporting this bug,
and to Hartmut Birr for suggesting the fix.
Thanks-to: Sigmund Augdal <sigmund@snap.tv>
Thanks-to: Hartmut Birr <e9hack@gmail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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and enable card entry
cx18: Fix S-Video and Compsite input settings for the Yuan MPC718 per user
reports from Yuri Warczynski <Yuri.Warczynski@gmail.com> and
Brian Hope <brian@hopefamily.info> and enable the card entry. The tuner reset
GPIO pin is likely incorrect as the tuner firmware cannot be reloaded without a
reboot. It is likely the audio routing is done via GPIO which is not
implemented yet, as users report audio doesn't work for some inputs.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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cx18: Add I2C slave reset via GPIO upon initialization. One user,
Michael <msd4824@yahoo.com>, has reported this allows his HVR-1600 EEPROM to
be consistently recognized when using (long,) 100 msec delays. The delays in
this commit are nominal (10 & 40 msec) and need testing/tuning on boards with
I2C problems to find the right values.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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happens first
This is a fix for the case when a digital capture from dvr0 happens first after
modprobe, before access to any cx18 v4l2 device nodes. The initial dvb feed
start has been changed to load the firmware if not already loaded. Also fixed a
use counter to correct dvb feed accounting if starting the transport DMA fails.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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and FM radio
Fix the cx18-cards.c structures for the HVR-1600 to reflect that audio Line In 2
and FM radio audio go to AIN3 and AIN4 of the CS5345 mux respectively. Verified
by physical inspection of an HVR-1600MCE, by listening to FM broadcasts with the
HVR-1600MCE, and by comparing with the card definition for a PVR-150 in ivtv.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Change the cx18-av-core code so that accesses to cx23418 av core that
cause auto-configuration will be adjusted to emulate the auto-configuration
behavior of the cx25843. This fixes the VBI displayed as video at the top of
the frame for NTSC and probably other things.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The automatic Kconfig selection for tuners and frontends should be
conditional, based on !DVB_FE_CUSTOMISE.
This patch corrects the selection for VIDEO_CX18 on
MEDIA_TUNER_MXL5005S and DVB_S5H1409
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Also, adds IR table for Avermedia A16d
Signed-off-by: Tim Farrington <timf@iinet.net.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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If the current modulation and frequency is already set to
the desired parameters, then don't re-tune.
Don't store current frequency until after we've tuned successfully.
Force a re-tune after resume from standby.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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In the umt-010 driver the struct umt_properties sets the number of URBs for
transfer to 20. But in dvb-usb.h MAX_NO_URBS_FOR_DATA_STREAM is set to 10.
Not surprisingly this causes an oops for all devices which use the umt-010
chipset when they are inserted.
fix on Kaffeine channel scan for
Initialize stream count using MAX_NO_URBS_FOR_DATA_STREAM.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: maximilian attems <max@stro.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Devices can either be class devices or bus devices, not both at the
same time. Soc-camera host devices usually have a platform device as
their parent. Trying to also register them with a class crashes the
kernel, when linked statically. Interestingly, it works when built
as a module. Thanks to Paulius Zaleckas for reporting.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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