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2009-09-12backport commit 8a8bdcc7533b104d789d9bb3ed90da9352515e21Mauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@redhat.com> kernel-sync: Author: Kay Sievers <kay.sievers@vrfy.org> Date: Thu Apr 30 15:23:42 2009 +0200 Driver Core: dvb: add nodename for dvb drivers This adds support to the dvb core to report the proper device name to userspace for their devices. Priority: normal Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-06dvb: fix 2.6.16 compile warningMauro Carvalho Chehab
From: Hans Verkuil <hverkuil@xs4all.nl> Priority: normal Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-01-11dvb: constify VFTsMauro Carvalho Chehab
From: Jan Engelhardt <jengelh@medozas.de> dvb: constify VFTs Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-01-08backport changeset f41ced8f108cc80f16509b907cd7ac93944459bcMauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@redhat.com> Author: Laurent Pinchart <laurent.pinchart@skynet.be> Check fops_get() return value Several subsystem open handlers dereference the fops_get() return value without checking it for nullness. This opens a race condition between the open handler and module unloading. A module can be marked as being unloaded (MODULE_STATE_GOING) before its exit function is called and gets the chance to unregister the driver. During that window open handlers can still be called, and fops_get() will fail in try_module_get() and return a NULL pointer. This change checks the fops_get() return value and returns -ENODEV if NULL. kernel-sync: Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-01-01add DVB_DEVICE_TYPE= to ueventMauro Carvalho Chehab
From: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-11-03dvbdev: fix typo causing 2.6.28 compile errorHans Verkuil
From: Hans Verkuil <hverkuil@xs4all.nl> Priority: normal Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2008-10-29linux-next: v4l-dvb tree build failureMauro Carvalho Chehab
From: Stephen Rothwell <sfr@canb.auug.org.au> Today's linux-next build (x86_64 allmodconfig) failed like this: drivers/media/dvb/dvb-core/dvbdev.c: In function 'dvb_register_device': drivers/media/dvb/dvb-core/dvbdev.c:254: error: implicit declaration of function 'nums2minor' Caused by commit f3d9182030d9655d9ffff33dfceb45b4a127b6ec ("V4L/DVB (9361): Dynamic DVB minor allocation") which clearly has not even been built with CONFIG_DVB_DYNAMIC_MINORS=y. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-28add DVB_DEVICE_NUM and DVB_ADAPTER_NUM to ueventMauro Carvalho Chehab
From: Kay Sievers <kay.sievers@vrfy.org> This allows udev to create proper device nodes without any hacky shell scripts/programs to call, which guess these numbers from the kernel device names. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-23Dynamic DVB minor allocationMauro Carvalho Chehab
From: Andreas Oberritter <obi@linuxtv.org> This is a multi-part message in MIME format. Implement dynamic minor allocation for DVB, to allow more than four devices of the same type per adapter, based on drivers/usb/core/file.c. Add a new config option, DVB_DYNAMIC_MINORS, to make use of this feature, which defaults to no for backwards compatibility. Signed-off-by: Andreas Oberritter <obi@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-07-21backport commit a9b12619f7b6f19c871437ec24a088787a04b1deMauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@redhat.com> Author: Greg Kroah-Hartman <gregkh@suse.de> device create: misc: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. kernel-sync: Priority: normal Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-11MFE: Add multi-frontend mutual exclusiondarron@kewl.org
From: Darron Broad <darron@kewl.org> This add frontend R/W mutual exclusion. Prior to this point in time it was possible to open both frontends simultaneously which an MFE card cannot support. In order to stop this, a delayed open is performed which has the following function: Return EBUSY after a configurable amount of time if a frontend is unavailable due to the other being in use. Only allow opening of a frontend if the kernel thread of the other has stopped. This solution was chosen to allow switching between frontends to work as seamlessly as possible. When both frontends are actually opened simultaneously then one will only open, but if quick switching is performed between one of many then the new open will succeed in a clean fashion rather than interrupting a kernel thread. Priority: normal Signed-off-by: Darron Broad <darron@kewl.org>
2008-07-24backport commit e282959ef3ebae0d72ac0b24242c376fa34da585Mauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@infradead.org> Author: Greg Kroah-Hartman <gregkh@suse.de> Date: Wed May 21 12:52:33 2008 -0700 device create: dvb: convert device_create to device_create_drvdata device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. kernel-sync: Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-07-17backport commit 5794e1b14bcd9817c5fa27d3254996f0d9551296Mauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@infradead.org> Author: Jonathan Corbet <corbet@lwn.net> Date: Thu May 15 16:26:57 2008 -0600 dvb: cdev lock_kernel() pushdown kernel-sync: Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-07-17videodev/dabusb/dvbdev: fix 2.6.16 compilationHans Verkuil
From: Hans Verkuil <hverkuil@xs4all.nl> struct file_operations was made const in 2.6.17. Cast const away when compiling under 2.6.16. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2008-07-08v4l-dvb: remove support for kernels < 2.6.16Hans Verkuil
From: Hans Verkuil <hverkuil@xs4all.nl> Phase 4 removes the compatibility support for kernels < 2.6.16. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2008-07-08v4l-dvb: remove support for kernels < 2.6.13Hans Verkuil
From: Hans Verkuil <hverkuil@xs4all.nl> Phase 3 of the compat cleanup. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
2008-04-09Adds selectable adapter numbers as per module optionMichael Krufky
From: Janne Grunau <janne-dvb@grunau.be> The adapter_nr module options can be used to allocate static adapter numbers on a driver level. It avoids problems with changing DVB apapter numbers after warm/cold boot or device unplugging and repluging. Each driver holds DVB_MAX_ADAPTER long array of the preferred order of adapter numbers. options dvb-usb-dib0700 adapter_nr=7,6,5,4,3,2,1,0 would result in a reversed allocation of adapter numbers. With adapter_nr=2,5 it tries first to get adapter number 2 and 5. If both are already in use it will allocate the lowest free adapter number. Signed-off-by: Janne Grunau <janne-dvb@grunau.be> Acked-by: Hermann Pitton <hermann.pitton@arcor.de> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
2008-04-08media/dvb/dvb-core replace remaining __FUNCTION__ occurrencesMichael Krufky
From: Harvey Harrison <harvey.harrison@gmail.com> __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
2008-01-27 V4L/DVB: constify function pointer tablesMauro Carvalho Chehab
From: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-10-17backport changeset 7e7654a92a5a75a350cc3458389bc76273498f6aMauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@infradead.org> Original description: cdev: remove unneeded setting of cdev names struct cdev does not need the kobject name to be set, as it is never used. This patch fixes up the few places it is set. kernel-sync: Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-10-10dvb: Replace list_for_each+list_entry with list_for_each_entryTrent Piepho
From: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
2007-08-21Cleanup: remove linux/moduleparam.h from drivers/media filesMauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@infradead.org> Since at least kernel 2.6.12-rc2, module.h includes moduleparm.h. This patch removes all occurences of moduleparm.h from drivers/media files. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-08-17compat: Fix device_create compat codeTrent Piepho
From: Trent Piepho <xyzzy@speakeasy.org> The current compat code for device_create/destroy doesn't work properly for kernels 2.6.14 or below, and 2.6.18 to 2.6.23. For kernels 2.6.14 and below, the device_create/destroy compat code wasn't enabled. Those kernels need it too. For kernels 2.6.18 to 2.6.23, compat code _was_ getting including, which caused errors since 2.6.18 and above already have device_create and device_destroy. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
2007-08-17Make dvbdev compatible again with older kernel versionsMauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@infradead.org> class_device_create/class_device_destroy are being replaced by device_create/device_destroy. This patch make it backward compatible. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-08-15DVB: convert struct class_device to struct deviceMichael Krufky
From: Kay Sievers <kay.sievers@vrfy.org> The currently used "struct class_device" will be removed from the kernel. Here is a trivial patch that converts DVB to use struct device. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
2007-05-06dvb-core: Add level fixes to printk()s, plus spelling/grammerTrent Piepho
From: Simon Arlott <simon@fire.lp0.eu> All the printks had missing level prefixes so I've fixed these too. Also fixed some grammer errors. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
2007-05-06dvb-core: Handle failures to create devicesTrent Piepho
From: Simon Arlott <simon@fire.lp0.eu> dvb-core is not started early enough when device drivers that use dvb are compiled in so dvb_register_device fails (silently) since dvb_class is NULL, this runs dvb_init using subsys_initcall instead of module_init. dvb_register_device will now check the return value of class_device_create. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
2007-04-14Fix 1/3 for bug 7819: fixed frontend hotplug issueMarkus Rechberger
From: Markus Rechberger <markus.rechberger@amd.com> fixed frontend hotplug issue Signed-off-by: Michal CIJOML Semler <cijoml@volny.cz> Signed-off-by: Markus Rechberger <markus.rechberger@amd.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-03-10Core: fix several locking related problemsMauro Carvalho Chehab
From: Simon Arlott <simon@fire.lp0.eu> Fix several instances of dvb-core functions using mutex_lock_interruptible and returning -ERESTARTSYS where the calling function will either never retry or never check the return value. These cause a race condition with dvb_dmxdev_filter_free and dvb_dvr_release, both of which are filesystem release functions whose return value is ignored and will never be retried. When this happens it becomes impossible to open dvr0 again (-EBUSY) since it has not been released properly. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-By: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-02-21Backport of git changeset cd354f1ae75e6466a7e31b727faede57a1f89ca5Mauro Carvalho Chehab
From: Mauro Carvalho Chehab <mchehab@infradead.org> Backport a changeset from Schmielau <tim@physik3.uni-rostock.de> that removes uneeded includes for linux/sched.h Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-02-13dvbdev: fix illegal re-usage of fileoperations structMarcel Siegert
From: Marcel Siegert <mws@linuxtv.org> Arjan van de Ven <arjan@infradead.org> reported an illegal re-usage of the fileoperations struct if more than one dvb device(e.g. frontend) is present. this patch fixes this issue. it allocates a new fileoperations struct each time a device is registered and copies the default template fileops. Signed-off-by: Marcel Siegert <mws@linuxtv.org>
2006-07-19[PATCH] devfs: Remove devfs_mk_dir() function from the kernel treeMauro Carvalho Chehab
From: Greg Kroah-Hartman <gregkh@suse.de> Removes the devfs_mk_dir() function and all callers of it. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2006-07-19[PATCH] devfs: Remove devfs_remove() function from the kernel treeMauro Carvalho Chehab
From: Greg Kroah-Hartman <gregkh@suse.de> Removes the devfs_remove() function and all callers of it. kernel-sync: backport from kernel to v4l/dvb tree Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2006-07-19[PATCH] devfs: Remove devfs_mk_cdev() function from the kernel treeMauro Carvalho Chehab
From: Greg Kroah-Hartman <gregkh@suse.de> Removes the devfs_mk_cdev() function and all callers of it. kernel-sync: backport from kernel to v4l/dvb tree Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2006-04-10Add sysfs device links to dvb devicesAndrew de Quincey
From: Andrew de Quincey <adq_dvb@lidskialf.net> Currently in /sys/class/dvb/dvbX.demuxY/ we have: dev uevent With the patch, we have (for a PCI DVB device): dev device -> ../../../devices/pci0000:00/0000:00:1e.0/0000:03:0d.0 uevent So userspace tools can (finally) work out which physical device a DVB adapter refers to. Previously you had to kinda look through dmesg and hope that it hadn't been dumped out of the buffer. This makes debugging a lot easier if the system has been up for a long time! This is done by adding an extra 'struct device *' parameter to dvb_register_adapter(). It will work with any kind of standard linux 'device'. Additionally, if someone has an embedded system which does things differently, they can simply supply 'NULL' and the behaviour will be as before - the link will simply not appear. Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Ack'd-by: Manu Abraham <manu@linuxtv.org> Acked-by: Michael Krufky <mkrufky@linuxtv.org>
2006-04-04Fix mutex in dvb_register_device to work.Andrew de Quincey
From: Andrew de Quincey <adq_dvb@lidskialf.net> This mutex is meant to stop two devices getting the same ID. dvbdev_get_free_id() scans the list of already allocated devices to find a free id. Unfortunately, since the mutex is unlocked before the card is added to the above list, it is still possible for two of them to get the same id. Solution: move the mutex after the list_add. Its debatable whether this mutex lock is actually needed, but I'm unwilling to just remove it in case something does depend on it. Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
2006-04-03fix warning: assignment discards qualifiers from pointer target typeMichael Krufky
From: Michael Krufky <mkrufky@linuxtv.org> The following warning in all kernels < 2.6.17 is caused by changeset a875912f0aada25949e3201bcd97e177040fa782 : http://linuxtv.org/hg/v4l-dvb?cmd=changeset;node=a875912f0aad videodev.c: In function 'video_open': videodev.c:131: warning: assignment discards qualifiers from pointer target type videodev.c:136: warning: assignment discards qualifiers from pointer target type dvbdev.c: In function 'dvb_device_open': dvbdev.c:105: warning: assignment discards qualifiers from pointer target type This changeset restores backwards-compatability. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
2006-04-02[PATCH] mark f_ops const in the inodeMauro Carvalho Chehab
From: Arjan van de Ven <arjan@infradead.org> Mark the f_ops members of inodes as const, as well as fix the ripple-through this causes by places that copy this f_ops and then "do stuff" with it. kernel-sync Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-15Semaphore to mutex conversion on drivers/mediaMauro Carvalho Chehab
From: Ingo Molnar <mingo@elte.hu> Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2005-11-26Whitespaces cleanups.Mauro Carvalho Chehab
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
2005-11-23Restore backwards compatability with kernel version 2.6.12Michael Krufky
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
2005-11-13[PATCH] Driver Core: fix up all callers of class_device_create()Michael Krufky
The previous patch adding the ability to nest struct class_device changed the paramaters to the call class_device_create(). This patch fixes up all in-kernel users of the function. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Michael Krufky <mkrufky@m1k.net> This patch is already present in kernel 2.6.15-rc1
2005-07-01from 2.6.13-rc1: class_simple is no moreJohannes Stezenbach
2005-03-17Modified dvb_register_adapter() to avoid kmalloc/kfree. Drivers have toAndreas Oberritter
embed struct dvb_adapter into their private data struct from now on.
2005-03-09 - clear up confusion between ids and adaptersKenneth Aafloy
2005-03-09 - kfree(NULL) is safeKenneth Aafloy
2005-03-02whitespace cleanup (remove ws at eol, sync with changes in mainline kernel)Johannes Stezenbach
2005-02-12patch by Adrian Bunk:Johannes Stezenbach
This patch contains the following possible cleanups: - make needlessly global code static - remove the following EXPORT_SYMBOL'ed but unused function: - bt8xx/bt878.c: bt878_find_by_i2c_adap - remove the following unused global functions: - dvb-core/dvb_demux.c: dmx_get_demuxes - dvb-core/dvb_demux.c: dvb_set_crc32 - remove the following unneeded EXPORT_SYMBOL's: - dvb-core/dvb_demux.c: dvb_dmx_swfilter_packet - dvb-core/dvb_demux.c: dvbdmx_connect_frontend - dvb-core/dvb_demux.c: dvbdmx_disconnect_frontend - dvb-core/dvbdev.c: dvb_class Signed-off-by: Adrian Bunk <bunk@stusta.de>
2005-01-22Added support for up to six DVB devicesAndrew de Quincy
2004-11-17patch by Adrian Bunk:Johannes Stezenbach
kill dvb_ksyms.c and move the EXPORT_SYMBOLs to the files where the functions are