diff options
Diffstat (limited to 'Documentation')
62 files changed, 480 insertions, 315 deletions
diff --git a/Documentation/ABI/removed/o2cb b/Documentation/ABI/removed/o2cb index 7f5daa465093..20c91adca6d4 100644 --- a/Documentation/ABI/removed/o2cb +++ b/Documentation/ABI/removed/o2cb @@ -1,6 +1,6 @@ What: /sys/o2cb symlink Date: May 2011 -KernelVersion: 2.6.40 +KernelVersion: 3.0 Contact: ocfs2-devel@oss.oracle.com Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink is removed when new versions of ocfs2-tools which know to look diff --git a/Documentation/ABI/removed/raw1394 b/Documentation/ABI/removed/raw1394 index 490aa1efc4ae..ec333e676322 100644 --- a/Documentation/ABI/removed/raw1394 +++ b/Documentation/ABI/removed/raw1394 @@ -5,7 +5,7 @@ Description: /dev/raw1394 was a character device file that allowed low-level access to FireWire buses. Its major drawbacks were its inability to implement sensible device security policies, and its low level - of abstraction that required userspace clients do duplicate much + of abstraction that required userspace clients to duplicate much of the kernel's ieee1394 core functionality. Replaced by /dev/fw*, i.e. the <linux/firewire-cdev.h> ABI of firewire-core. diff --git a/Documentation/ABI/testing/evm b/Documentation/ABI/testing/evm new file mode 100644 index 000000000000..8374d4557e5d --- /dev/null +++ b/Documentation/ABI/testing/evm @@ -0,0 +1,23 @@ +What: security/evm +Date: March 2011 +Contact: Mimi Zohar <zohar@us.ibm.com> +Description: + EVM protects a file's security extended attributes(xattrs) + against integrity attacks. The initial method maintains an + HMAC-sha1 value across the extended attributes, storing the + value as the extended attribute 'security.evm'. + + EVM depends on the Kernel Key Retention System to provide it + with a trusted/encrypted key for the HMAC-sha1 operation. + The key is loaded onto the root's keyring using keyctl. Until + EVM receives notification that the key has been successfully + loaded onto the keyring (echo 1 > <securityfs>/evm), EVM + can not create or validate the 'security.evm' xattr, but + returns INTEGRITY_UNKNOWN. Loading the key and signaling EVM + should be done as early as possible. Normally this is done + in the initramfs, which has already been measured as part + of the trusted boot. For more information on creating and + loading existing trusted/encrypted keys, refer to: + Documentation/keys-trusted-encrypted.txt. (A sample dracut + patch, which loads the trusted/encrypted key and enables + EVM, is available from http://linux-ima.sourceforge.net/#EVM.) diff --git a/Documentation/ABI/testing/sysfs-bus-bcma b/Documentation/ABI/testing/sysfs-bus-bcma index 06b62badddd1..721b4aea3020 100644 --- a/Documentation/ABI/testing/sysfs-bus-bcma +++ b/Documentation/ABI/testing/sysfs-bus-bcma @@ -1,6 +1,6 @@ What: /sys/bus/bcma/devices/.../manuf Date: May 2011 -KernelVersion: 2.6.40 +KernelVersion: 3.0 Contact: RafaÅ‚ MiÅ‚ecki <zajec5@gmail.com> Description: Each BCMA core has it's manufacturer id. See @@ -8,7 +8,7 @@ Description: What: /sys/bus/bcma/devices/.../id Date: May 2011 -KernelVersion: 2.6.40 +KernelVersion: 3.0 Contact: RafaÅ‚ MiÅ‚ecki <zajec5@gmail.com> Description: There are a few types of BCMA cores, they can be identified by @@ -16,7 +16,7 @@ Description: What: /sys/bus/bcma/devices/.../rev Date: May 2011 -KernelVersion: 2.6.40 +KernelVersion: 3.0 Contact: RafaÅ‚ MiÅ‚ecki <zajec5@gmail.com> Description: BCMA cores of the same type can still slightly differ depending @@ -24,7 +24,7 @@ Description: What: /sys/bus/bcma/devices/.../class Date: May 2011 -KernelVersion: 2.6.40 +KernelVersion: 3.0 Contact: RafaÅ‚ MiÅ‚ecki <zajec5@gmail.com> Description: Each BCMA core is identified by few fields, including class it diff --git a/Documentation/ABI/testing/sysfs-bus-pci-drivers-ehci_hcd b/Documentation/ABI/testing/sysfs-bus-pci-drivers-ehci_hcd new file mode 100644 index 000000000000..60c60fa624b2 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-pci-drivers-ehci_hcd @@ -0,0 +1,46 @@ +What: /sys/bus/pci/drivers/ehci_hcd/.../companion + /sys/bus/usb/devices/usbN/../companion +Date: January 2007 +KernelVersion: 2.6.21 +Contact: Alan Stern <stern@rowland.harvard.edu> +Description: + PCI-based EHCI USB controllers (i.e., high-speed USB-2.0 + controllers) are often implemented along with a set of + "companion" full/low-speed USB-1.1 controllers. When a + high-speed device is plugged in, the connection is routed + to the EHCI controller; when a full- or low-speed device + is plugged in, the connection is routed to the companion + controller. + + Sometimes you want to force a high-speed device to connect + at full speed, which can be accomplished by forcing the + connection to be routed to the companion controller. + That's what this file does. Writing a port number to the + file causes connections on that port to be routed to the + companion controller, and writing the negative of a port + number returns the port to normal operation. + + For example: To force the high-speed device attached to + port 4 on bus 2 to run at full speed: + + echo 4 >/sys/bus/usb/devices/usb2/../companion + + To return the port to high-speed operation: + + echo -4 >/sys/bus/usb/devices/usb2/../companion + + Reading the file gives the list of ports currently forced + to the companion controller. + + Note: Some EHCI controllers do not have companions; they + may contain an internal "transaction translator" or they + may be attached directly to a "rate-matching hub". This + mechanism will not work with such controllers. Also, it + cannot be used to force a port on a high-speed hub to + connect at full speed. + + Note: When this file was first added, it appeared in a + different sysfs directory. The location given above is + correct for 2.6.35 (and probably several earlier kernel + versions as well). + diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index 294aa864a60a..e647378e9e88 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -142,3 +142,18 @@ Description: such devices. Users: usb_modeswitch + +What: /sys/bus/usb/devices/.../power/usb2_hardware_lpm +Date: September 2011 +Contact: Andiry Xu <andiry.xu@amd.com> +Description: + If CONFIG_USB_SUSPEND is set and a USB 2.0 lpm-capable device + is plugged in to a xHCI host which support link PM, it will + perform a LPM test; if the test is passed and host supports + USB2 hardware LPM (xHCI 1.0 feature), USB2 hardware LPM will + be enabled for the device and the USB device directory will + contain a file named power/usb2_hardware_lpm. The file holds + a string value (enable or disable) indicating whether or not + USB2 hardware LPM is enabled for the device. Developer can + write y/Y/1 or n/N/0 to the file to enable/disable the + feature. diff --git a/Documentation/ABI/testing/sysfs-class-backlight-driver-adp8870 b/Documentation/ABI/testing/sysfs-class-backlight-driver-adp8870 index aa11dbdd794b..4a9c545bda4b 100644 --- a/Documentation/ABI/testing/sysfs-class-backlight-driver-adp8870 +++ b/Documentation/ABI/testing/sysfs-class-backlight-driver-adp8870 @@ -4,8 +4,8 @@ What: /sys/class/backlight/<backlight>/l2_bright_max What: /sys/class/backlight/<backlight>/l3_office_max What: /sys/class/backlight/<backlight>/l4_indoor_max What: /sys/class/backlight/<backlight>/l5_dark_max -Date: Mai 2011 -KernelVersion: 2.6.40 +Date: May 2011 +KernelVersion: 3.0 Contact: device-drivers-devel@blackfin.uclinux.org Description: Control the maximum brightness for <ambient light zone> @@ -18,8 +18,8 @@ What: /sys/class/backlight/<backlight>/l2_bright_dim What: /sys/class/backlight/<backlight>/l3_office_dim What: /sys/class/backlight/<backlight>/l4_indoor_dim What: /sys/class/backlight/<backlight>/l5_dark_dim -Date: Mai 2011 -KernelVersion: 2.6.40 +Date: May 2011 +KernelVersion: 3.0 Contact: device-drivers-devel@blackfin.uclinux.org Description: Control the dim brightness for <ambient light zone> @@ -29,8 +29,8 @@ Description: this <ambient light zone>. What: /sys/class/backlight/<backlight>/ambient_light_level -Date: Mai 2011 -KernelVersion: 2.6.40 +Date: May 2011 +KernelVersion: 3.0 Contact: device-drivers-devel@blackfin.uclinux.org Description: Get conversion value of the light sensor. @@ -39,8 +39,8 @@ Description: 8000 (max ambient brightness) What: /sys/class/backlight/<backlight>/ambient_light_zone -Date: Mai 2011 -KernelVersion: 2.6.40 +Date: May 2011 +KernelVersion: 3.0 Contact: device-drivers-devel@blackfin.uclinux.org Description: Get/Set current ambient light zone. Reading returns diff --git a/Documentation/ABI/testing/sysfs-class-net-mesh b/Documentation/ABI/testing/sysfs-class-net-mesh index 748fe1701d25..b02001488eef 100644 --- a/Documentation/ABI/testing/sysfs-class-net-mesh +++ b/Documentation/ABI/testing/sysfs-class-net-mesh @@ -22,6 +22,14 @@ Description: mesh will be fragmented or silently discarded if the packet size exceeds the outgoing interface MTU. +What: /sys/class/net/<mesh_iface>/mesh/ap_isolation +Date: May 2011 +Contact: Antonio Quartulli <ordex@autistici.org> +Description: + Indicates whether the data traffic going from a + wireless client to another wireless client will be + silently dropped. + What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth Date: October 2010 Contact: Marek Lindner <lindner_marek@yahoo.de> diff --git a/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff b/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff new file mode 100644 index 000000000000..9aec8ef228b0 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff @@ -0,0 +1,7 @@ +What: /sys/module/hid_logitech/drivers/hid:logitech/<dev>/range. +Date: July 2011 +KernelVersion: 3.2 +Contact: Michal Malý <madcatxster@gmail.com> +Description: Display minimum, maximum and current range of the steering + wheel. Writing a value within min and max boundaries sets the + range of the wheel. diff --git a/Documentation/DocBook/80211.tmpl b/Documentation/DocBook/80211.tmpl index 445289cd0e65..2014155c899d 100644 --- a/Documentation/DocBook/80211.tmpl +++ b/Documentation/DocBook/80211.tmpl @@ -433,8 +433,18 @@ Insert notes about VLAN interfaces with hw crypto here or in the hw crypto chapter. </para> + <section id="ps-client"> + <title>support for powersaving clients</title> +!Pinclude/net/mac80211.h AP support for powersaving clients + </section> !Finclude/net/mac80211.h ieee80211_get_buffered_bc !Finclude/net/mac80211.h ieee80211_beacon_get +!Finclude/net/mac80211.h ieee80211_sta_eosp_irqsafe +!Finclude/net/mac80211.h ieee80211_frame_release_type +!Finclude/net/mac80211.h ieee80211_sta_ps_transition +!Finclude/net/mac80211.h ieee80211_sta_ps_transition_ni +!Finclude/net/mac80211.h ieee80211_sta_set_buffered +!Finclude/net/mac80211.h ieee80211_sta_block_awake </chapter> <chapter id="multi-iface"> @@ -460,7 +470,6 @@ !Finclude/net/mac80211.h sta_notify_cmd !Finclude/net/mac80211.h ieee80211_find_sta !Finclude/net/mac80211.h ieee80211_find_sta_by_ifaddr -!Finclude/net/mac80211.h ieee80211_sta_block_awake </chapter> <chapter id="hardware-scan-offload"> diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl index 7c4b514d62b1..54883de5d5f9 100644 --- a/Documentation/DocBook/uio-howto.tmpl +++ b/Documentation/DocBook/uio-howto.tmpl @@ -529,7 +529,7 @@ memory (e.g. allocated with <function>kmalloc()</function>). There's also </para></listitem> <listitem><para> -<varname>unsigned long addr</varname>: Required if the mapping is used. +<varname>phys_addr_t addr</varname>: Required if the mapping is used. Fill in the address of your memory block. This address is the one that appears in sysfs. </para></listitem> diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt index 6148d4080f88..aa09e5476bba 100644 --- a/Documentation/PCI/pci.txt +++ b/Documentation/PCI/pci.txt @@ -314,7 +314,7 @@ from the PCI device config space. Use the values in the pci_dev structure as the PCI "bus address" might have been remapped to a "host physical" address by the arch/chip-set specific kernel support. -See Documentation/IO-mapping.txt for how to access device registers +See Documentation/io-mapping.txt for how to access device registers or device memory. The device driver needs to call pci_request_region() to verify diff --git a/Documentation/blackfin/bfin-gpio-notes.txt b/Documentation/blackfin/bfin-gpio-notes.txt index f731c1e56475..d36b01f778b9 100644 --- a/Documentation/blackfin/bfin-gpio-notes.txt +++ b/Documentation/blackfin/bfin-gpio-notes.txt @@ -1,5 +1,5 @@ /* - * File: Documentation/blackfin/bfin-gpio-note.txt + * File: Documentation/blackfin/bfin-gpio-notes.txt * Based on: * Author: * diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt index c6d84cfd2f56..e418dc0a7086 100644 --- a/Documentation/block/biodoc.txt +++ b/Documentation/block/biodoc.txt @@ -186,7 +186,7 @@ a virtual address mapping (unlike the earlier scheme of virtual address do not have a corresponding kernel virtual address space mapping) and low-memory pages. -Note: Please refer to Documentation/PCI/PCI-DMA-mapping.txt for a discussion +Note: Please refer to Documentation/DMA-API-HOWTO.txt for a discussion on PCI high mem DMA aspects and mapping of scatter gather lists, and support for 64 bit PCI. diff --git a/Documentation/bus-virt-phys-mapping.txt b/Documentation/bus-virt-phys-mapping.txt index 1b5aa10df845..2bc55ff3b4d1 100644 --- a/Documentation/bus-virt-phys-mapping.txt +++ b/Documentation/bus-virt-phys-mapping.txt @@ -1,6 +1,6 @@ [ NOTE: The virt_to_bus() and bus_to_virt() functions have been superseded by the functionality provided by the PCI DMA interface - (see Documentation/PCI/PCI-DMA-mapping.txt). They continue + (see Documentation/DMA-API-HOWTO.txt). They continue to be documented below for historical purposes, but new code must not use them. --davidm 00/12/12 ] diff --git a/Documentation/cdrom/packet-writing.txt b/Documentation/cdrom/packet-writing.txt index 13c251d5add6..2834170d821e 100644 --- a/Documentation/cdrom/packet-writing.txt +++ b/Documentation/cdrom/packet-writing.txt @@ -109,7 +109,7 @@ this interface. (see http://tom.ist-im-web.de/download/pktcdvd ) For a description of the sysfs interface look into the file: - Documentation/ABI/testing/sysfs-block-pktcdvd + Documentation/ABI/testing/sysfs-class-pktcdvd Using the pktcdvd debugfs interface diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt index e74d0a2eb1cf..d221781dabaa 100644 --- a/Documentation/cpu-freq/governors.txt +++ b/Documentation/cpu-freq/governors.txt @@ -132,7 +132,7 @@ The sampling rate is limited by the HW transition latency: transition_latency * 100 Or by kernel restrictions: If CONFIG_NO_HZ is set, the limit is 10ms fixed. -If CONFIG_NO_HZ is not set or no_hz=off boot parameter is used, the +If CONFIG_NO_HZ is not set or nohz=off boot parameter is used, the limits depend on the CONFIG_HZ option: HZ=1000: min=20000us (20ms) HZ=250: min=80000us (80ms) diff --git a/Documentation/development-process/4.Coding b/Documentation/development-process/4.Coding index 83f5f5b365a3..e3cb6a56653a 100644 --- a/Documentation/development-process/4.Coding +++ b/Documentation/development-process/4.Coding @@ -278,7 +278,7 @@ enabled, a configurable percentage of memory allocations will be made to fail; these failures can be restricted to a specific range of code. Running with fault injection enabled allows the programmer to see how the code responds when things go badly. See -Documentation/fault-injection/fault-injection.text for more information on +Documentation/fault-injection/fault-injection.txt for more information on how to use this facility. Other kinds of errors can be found with the "sparse" static analysis tool. diff --git a/Documentation/devicetree/bindings/arm/l2cc.txt b/Documentation/devicetree/bindings/arm/l2cc.txt new file mode 100644 index 000000000000..7ca52161e7ab --- /dev/null +++ b/Documentation/devicetree/bindings/arm/l2cc.txt @@ -0,0 +1,44 @@ +* ARM L2 Cache Controller + +ARM cores often have a separate level 2 cache controller. There are various +implementations of the L2 cache controller with compatible programming models. +The ARM L2 cache representation in the device tree should be done as follows: + +Required properties: + +- compatible : should be one of: + "arm,pl310-cache" + "arm,l220-cache" + "arm,l210-cache" +- cache-unified : Specifies the cache is a unified cache. +- cache-level : Should be set to 2 for a level 2 cache. +- reg : Physical base address and size of cache controller's memory mapped + registers. + +Optional properties: + +- arm,data-latency : Cycles of latency for Data RAM accesses. Specifies 3 cells of + read, write and setup latencies. Minimum valid values are 1. Controllers + without setup latency control should use a value of 0. +- arm,tag-latency : Cycles of latency for Tag RAM accesses. Specifies 3 cells of + read, write and setup latencies. Controllers without setup latency control + should use 0. Controllers without separate read and write Tag RAM latency + values should only use the first cell. +- arm,dirty-latency : Cycles of latency for Dirty RAMs. This is a single cell. +- arm,filter-ranges : <start length> Starting address and length of window to + filter. Addresses in the filter window are directed to the M1 port. Other + addresses will go to the M0 port. +- interrupts : 1 combined interrupt. + +Example: + +L2: cache-controller { + compatible = "arm,pl310-cache"; + reg = <0xfff12000 0x1000>; + arm,data-latency = <1 1 1>; + arm,tag-latency = <2 2 2>; + arm,filter-latency = <0x80000000 0x8000000>; + cache-unified; + c |