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* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (184 commits) V4L/DVB (5563): Radio-maestro.c Replace radio_ioctl to use video_ioctl2 V4L/DVB (5562): Radio-gemtek-pci.c Replace gemtek_pci_ioctl to use video_ioctl2 V4L/DVB (5560): Ivtv: fix incorrect bitwise-and for command flags. V4L/DVB (5558): Opera: use 7-bit i2c addresses V4L/DVB (5557): Cafe_ccic: check return value of pci_enable_device V4L/DVB (5556): Radio-gemtek.c Replace gemtek_ioctl to use video_ioctl2 V4L/DVB (5555): Radio-aimslab.c Replace rt_ioctl to use video_ioctl2 V4L/DVB (5554): Fix: vidioc_g_parm were not zeroing the memory V4L/DVB (5553): Replace typhoon_do_ioctl to use video_ioctl2 V4L/DVB (5552): Plan-b: Switch to refcounting PCI API V4L/DVB (5551): Plan-b: header change V4L/DVB (5550): Radio-sf16fmi.c Replace fmi_do_ioctl to use video_ioctl2 V4L/DVB (5549): Radio-sf16fmr2.c Replace fmr2_do_ioctl to use video_ioctl2 V4L/DVB (5548): Fix v4l2 buffer to the length V4L/DVB (5547): Add ENUM_FRAMESIZES and ENUM_FRAMEINTERVALS ioctls V4L/DVB (5546): Radio-terratec.c Replace tt_do_ioctl to use video_ioctl2 V4L/DVB (5545): Saa7146: Release capture buffers on device close V4L/DVB (5544): Budget-av: Make inversion setting configurable, add KNC ONE V1.0 card V4L/DVB (5543): Tda10023: Add support for frontend TDA10023 V4L/DVB (5542): Budget-av: Remove polarity switching of the clock for DVB-C ...
317 lines
12 KiB
Plaintext
317 lines
12 KiB
Plaintext
The following is a list of files and features that are going to be
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removed in the kernel source tree. Every entry should contain what
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exactly is going away, why it is happening, and who is going to be doing
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the work. When the feature is removed from the kernel, it should also
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be removed from this file.
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---------------------------
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What: V4L2 VIDIOC_G_MPEGCOMP and VIDIOC_S_MPEGCOMP
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When: October 2007
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Why: Broken attempt to set MPEG compression parameters. These ioctls are
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not able to implement the wide variety of parameters that can be set
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by hardware MPEG encoders. A new MPEG control mechanism was created
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in kernel 2.6.18 that replaces these ioctls. See the V4L2 specification
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(section 1.9: Extended controls) for more information on this topic.
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Who: Hans Verkuil <hverkuil@xs4all.nl> and
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Mauro Carvalho Chehab <mchehab@infradead.org>
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---------------------------
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What: /sys/devices/.../power/state
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dev->power.power_state
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dpm_runtime_{suspend,resume)()
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When: July 2007
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Why: Broken design for runtime control over driver power states, confusing
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driver-internal runtime power management with: mechanisms to support
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system-wide sleep state transitions; event codes that distinguish
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different phases of swsusp "sleep" transitions; and userspace policy
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inputs. This framework was never widely used, and most attempts to
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use it were broken. Drivers should instead be exposing domain-specific
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interfaces either to kernel or to userspace.
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Who: Pavel Machek <pavel@suse.cz>
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---------------------------
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What: RAW driver (CONFIG_RAW_DRIVER)
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When: December 2005
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Why: declared obsolete since kernel 2.6.3
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O_DIRECT can be used instead
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Who: Adrian Bunk <bunk@stusta.de>
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---------------------------
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What: raw1394: requests of type RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN
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When: June 2007
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Why: Deprecated in favour of the more efficient and robust rawiso interface.
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Affected are applications which use the deprecated part of libraw1394
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(raw1394_iso_write, raw1394_start_iso_write, raw1394_start_iso_rcv,
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raw1394_stop_iso_rcv) or bypass libraw1394.
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Who: Dan Dennedy <dan@dennedy.org>, Stefan Richter <stefanr@s5r6.in-berlin.de>
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---------------------------
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What: Video4Linux API 1 ioctls and video_decoder.h from Video devices.
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When: December 2006
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Why: V4L1 AP1 was replaced by V4L2 API. during migration from 2.4 to 2.6
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series. The old API have lots of drawbacks and don't provide enough
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means to work with all video and audio standards. The newer API is
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already available on the main drivers and should be used instead.
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Newer drivers should use v4l_compat_translate_ioctl function to handle
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old calls, replacing to newer ones.
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Decoder iocts are using internally to allow video drivers to
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communicate with video decoders. This should also be improved to allow
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V4L2 calls being translated into compatible internal ioctls.
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Who: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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---------------------------
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What: PCMCIA control ioctl (needed for pcmcia-cs [cardmgr, cardctl])
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When: November 2005
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Files: drivers/pcmcia/: pcmcia_ioctl.c
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Why: With the 16-bit PCMCIA subsystem now behaving (almost) like a
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normal hotpluggable bus, and with it using the default kernel
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infrastructure (hotplug, driver core, sysfs) keeping the PCMCIA
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control ioctl needed by cardmgr and cardctl from pcmcia-cs is
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unnecessary, and makes further cleanups and integration of the
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PCMCIA subsystem into the Linux kernel device driver model more
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difficult. The features provided by cardmgr and cardctl are either
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handled by the kernel itself now or are available in the new
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pcmciautils package available at
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http://kernel.org/pub/linux/utils/kernel/pcmcia/
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Who: Dominik Brodowski <linux@brodo.de>
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---------------------------
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What: remove EXPORT_SYMBOL(kernel_thread)
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When: August 2006
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Files: arch/*/kernel/*_ksyms.c
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Why: kernel_thread is a low-level implementation detail. Drivers should
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use the <linux/kthread.h> API instead which shields them from
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implementation details and provides a higherlevel interface that
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prevents bugs and code duplication
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Who: Christoph Hellwig <hch@lst.de>
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---------------------------
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What: CONFIG_FORCED_INLINING
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When: June 2006
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Why: Config option is there to see if gcc is good enough. (in january
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2006). If it is, the behavior should just be the default. If it's not,
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the option should just go away entirely.
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Who: Arjan van de Ven
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---------------------------
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What: eepro100 network driver
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When: January 2007
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Why: replaced by the e100 driver
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Who: Adrian Bunk <bunk@stusta.de>
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---------------------------
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What: drivers depending on OSS_OBSOLETE_DRIVER
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When: options in 2.6.20, code in 2.6.22
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Why: OSS drivers with ALSA replacements
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Who: Adrian Bunk <bunk@stusta.de>
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---------------------------
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What: pci_module_init(driver)
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When: January 2007
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Why: Is replaced by pci_register_driver(pci_driver).
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Who: Richard Knutsson <ricknu-0@student.ltu.se> and Greg Kroah-Hartman <gregkh@suse.de>
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---------------------------
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What: Usage of invalid timevals in setitimer
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When: March 2007
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Why: POSIX requires to validate timevals in the setitimer call. This
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was never done by Linux. The invalid (e.g. negative timevals) were
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silently converted to more or less random timeouts and intervals.
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Until the removal a per boot limited number of warnings is printed
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and the timevals are sanitized.
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Who: Thomas Gleixner <tglx@linutronix.de>
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---------------------------
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What: Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports
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(temporary transition config option provided until then)
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The transition config option will also be removed at the same time.
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When: before 2.6.19
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Why: Unused symbols are both increasing the size of the kernel binary
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and are often a sign of "wrong API"
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Who: Arjan van de Ven <arjan@linux.intel.com>
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---------------------------
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What: USB driver API moves to EXPORT_SYMBOL_GPL
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When: February 2008
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Files: include/linux/usb.h, drivers/usb/core/driver.c
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Why: The USB subsystem has changed a lot over time, and it has been
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possible to create userspace USB drivers using usbfs/libusb/gadgetfs
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that operate as fast as the USB bus allows. Because of this, the USB
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subsystem will not be allowing closed source kernel drivers to
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register with it, after this grace period is over. If anyone needs
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any help in converting their closed source drivers over to use the
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userspace filesystems, please contact the
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linux-usb-devel@lists.sourceforge.net mailing list, and the developers
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there will be glad to help you out.
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Who: Greg Kroah-Hartman <gregkh@suse.de>
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---------------------------
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What: Interrupt only SA_* flags
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When: Januar 2007
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Why: The interrupt related SA_* flags are replaced by IRQF_* to move them
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out of the signal namespace.
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Who: Thomas Gleixner <tglx@linutronix.de>
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---------------------------
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What: PHYSDEVPATH, PHYSDEVBUS, PHYSDEVDRIVER in the uevent environment
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When: October 2008
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Why: The stacking of class devices makes these values misleading and
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inconsistent.
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Class devices should not carry any of these properties, and bus
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devices have SUBSYTEM and DRIVER as a replacement.
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Who: Kay Sievers <kay.sievers@suse.de>
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---------------------------
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What: i2c-isa
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When: December 2006
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Why: i2c-isa is a non-sense and doesn't fit in the device driver
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model. Drivers relying on it are better implemented as platform
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drivers.
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Who: Jean Delvare <khali@linux-fr.org>
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---------------------------
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What: i2c_adapter.dev
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i2c_adapter.list
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When: July 2007
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Why: Superfluous, given i2c_adapter.class_dev:
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* The "dev" was a stand-in for the physical device node that legacy
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drivers would not have; but now it's almost always present. Any
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remaining legacy drivers must upgrade (they now trigger warnings).
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* The "list" duplicates class device children.
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The delay in removing this is so upgraded lm_sensors and libsensors
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can get deployed. (Removal causes minor changes in the sysfs layout,
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notably the location of the adapter type name and parenting the i2c
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client hardware directly from their controller.)
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Who: Jean Delvare <khali@linux-fr.org>,
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David Brownell <dbrownell@users.sourceforge.net>
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---------------------------
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What: drivers depending on OBSOLETE_OSS
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When: options in 2.6.22, code in 2.6.24
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Why: OSS drivers with ALSA replacements
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Who: Adrian Bunk <bunk@stusta.de>
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---------------------------
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What: ACPI hooks (X86_SPEEDSTEP_CENTRINO_ACPI) in speedstep-centrino driver
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When: December 2006
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Why: Speedstep-centrino driver with ACPI hooks and acpi-cpufreq driver are
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functionally very much similar. They talk to ACPI in same way. Only
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difference between them is the way they do frequency transitions.
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One uses MSRs and the other one uses IO ports. Functionaliy of
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speedstep_centrino with ACPI hooks is now merged into acpi-cpufreq.
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That means one common driver will support all Intel Enhanced Speedstep
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capable CPUs. That means less confusion over name of
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speedstep-centrino driver (with that driver supposed to be used on
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non-centrino platforms). That means less duplication of code and
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less maintenance effort and no possibility of these two drivers
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going out of sync.
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Current users of speedstep_centrino with ACPI hooks are requested to
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switch over to acpi-cpufreq driver. speedstep-centrino will continue
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to work using older non-ACPI static table based scheme even after this
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date.
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Who: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
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---------------------------
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What: /sys/firmware/acpi/namespace
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When: 2.6.21
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Why: The ACPI namespace is effectively the symbol list for
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the BIOS. The device names are completely arbitrary
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and have no place being exposed to user-space.
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For those interested in the BIOS ACPI namespace,
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the BIOS can be extracted and disassembled with acpidump
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and iasl as documented in the pmtools package here:
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http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils
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Who: Len Brown <len.brown@intel.com>
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---------------------------
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What: ACPI procfs interface
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When: July 2007
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Why: After ACPI sysfs conversion, ACPI attributes will be duplicated
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in sysfs and the ACPI procfs interface should be removed.
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Who: Zhang Rui <rui.zhang@intel.com>
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---------------------------
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What: /proc/acpi/button
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When: August 2007
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Why: /proc/acpi/button has been replaced by events to the input layer
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since 2.6.20.
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Who: Len Brown <len.brown@intel.com>
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---------------------------
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What: sk98lin network driver
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When: July 2007
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Why: In kernel tree version of driver is unmaintained. Sk98lin driver
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replaced by the skge driver.
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Who: Stephen Hemminger <shemminger@osdl.org>
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---------------------------
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What: Compaq touchscreen device emulation
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When: Oct 2007
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Files: drivers/input/tsdev.c
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Why: The code says it was obsolete when it was written in 2001.
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tslib is a userspace library which does anything tsdev can do and
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much more besides in userspace where this code belongs. There is no
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longer any need for tsdev and applications should have converted to
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use tslib by now.
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The name "tsdev" is also extremely confusing and lots of people have
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it loaded when they don't need/use it.
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Who: Richard Purdie <rpurdie@rpsys.net>
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---------------------------
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What: i8xx_tco watchdog driver
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When: in 2.6.22
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Why: the i8xx_tco watchdog driver has been replaced by the iTCO_wdt
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watchdog driver.
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Who: Wim Van Sebroeck <wim@iguana.be>
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---------------------------
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What: Multipath cached routing support in ipv4
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When: in 2.6.23
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Why: Code was merged, then submitter immediately disappeared leaving
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us with no maintainer and lots of bugs. The code should not have
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been merged in the first place, and many aspects of it's
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implementation are blocking more critical core networking
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development. It's marked EXPERIMENTAL and no distribution
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enables it because it cause obscure crashes due to unfixable bugs
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(interfaces don't return errors so memory allocation can't be
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handled, calling contexts of these interfaces make handling
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errors impossible too because they get called after we've
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totally commited to creating a route object, for example).
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This problem has existed for years and no forward progress
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has ever been made, and nobody steps up to try and salvage
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this code, so we're going to finally just get rid of it.
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Who: David S. Miller <davem@davemloft.net>
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---------------------------
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