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r: 308139
b: refs/heads/master
c: 2a96536
h: refs/heads/master
i:
  308137: a1dcf61
  308135: c4ee7c3
v: v3
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KyongHo Cho authored and Kukjin Kim committed May 11, 2012
1 parent 8b34ca6 commit 46c5d3e
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2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: c49314fa6c7d2c130d850b30980cffab53a40592
refs/heads/master: 2a96536e77b43cf1e70ab3ad8b46b98ab52b56c1
14 changes: 7 additions & 7 deletions trunk/Documentation/ABI/stable/sysfs-driver-usb-usbtmc
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@@ -1,5 +1,5 @@
What: /sys/bus/usb/drivers/usbtmc/*/interface_capabilities
What: /sys/bus/usb/drivers/usbtmc/*/device_capabilities
What: /sys/bus/usb/drivers/usbtmc/devices/*/interface_capabilities
What: /sys/bus/usb/drivers/usbtmc/devices/*/device_capabilities
Date: August 2008
Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
Expand All @@ -12,8 +12,8 @@ Description:
The files are read only.


What: /sys/bus/usb/drivers/usbtmc/*/usb488_interface_capabilities
What: /sys/bus/usb/drivers/usbtmc/*/usb488_device_capabilities
What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_interface_capabilities
What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_device_capabilities
Date: August 2008
Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
Expand All @@ -27,7 +27,7 @@ Description:
The files are read only.


What: /sys/bus/usb/drivers/usbtmc/*/TermChar
What: /sys/bus/usb/drivers/usbtmc/devices/*/TermChar
Date: August 2008
Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
Expand All @@ -40,7 +40,7 @@ Description:
sent to the device or not.


What: /sys/bus/usb/drivers/usbtmc/*/TermCharEnabled
What: /sys/bus/usb/drivers/usbtmc/devices/*/TermCharEnabled
Date: August 2008
Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
Expand All @@ -51,7 +51,7 @@ Description:
published by the USB-IF.


What: /sys/bus/usb/drivers/usbtmc/*/auto_abort
What: /sys/bus/usb/drivers/usbtmc/devices/*/auto_abort
Date: August 2008
Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
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18 changes: 0 additions & 18 deletions trunk/Documentation/ABI/testing/sysfs-block-rssd

This file was deleted.

19 changes: 0 additions & 19 deletions trunk/Documentation/ABI/testing/sysfs-bus-hsi

This file was deleted.

8 changes: 0 additions & 8 deletions trunk/Documentation/ABI/testing/sysfs-cfq-target-latency

This file was deleted.

18 changes: 0 additions & 18 deletions trunk/Documentation/DMA-attributes.txt
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Expand Up @@ -31,21 +31,3 @@ may be weakly ordered, that is that reads and writes may pass each other.
Since it is optional for platforms to implement DMA_ATTR_WEAK_ORDERING,
those that do not will simply ignore the attribute and exhibit default
behavior.

DMA_ATTR_WRITE_COMBINE
----------------------

DMA_ATTR_WRITE_COMBINE specifies that writes to the mapping may be
buffered to improve performance.

Since it is optional for platforms to implement DMA_ATTR_WRITE_COMBINE,
those that do not will simply ignore the attribute and exhibit default
behavior.

DMA_ATTR_NON_CONSISTENT
-----------------------

DMA_ATTR_NON_CONSISTENT lets the platform to choose to return either
consistent or non-consistent memory as it sees fit. By using this API,
you are guaranteeing to the platform that you have all the correct and
necessary sync points for this memory in the driver.
17 changes: 0 additions & 17 deletions trunk/Documentation/DocBook/device-drivers.tmpl
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Expand Up @@ -446,21 +446,4 @@ X!Idrivers/video/console/fonts.c
!Edrivers/i2c/i2c-core.c
</chapter>

<chapter id="hsi">
<title>High Speed Synchronous Serial Interface (HSI)</title>

<para>
High Speed Synchronous Serial Interface (HSI) is a
serial interface mainly used for connecting application
engines (APE) with cellular modem engines (CMT) in cellular
handsets.

HSI provides multiplexing for up to 16 logical channels,
low-latency and full duplex communication.
</para>

!Iinclude/linux/hsi/hsi.h
!Edrivers/hsi/hsi.c
</chapter>

</book>
2 changes: 1 addition & 1 deletion trunk/Documentation/DocBook/media/v4l/pixfmt-nv12m.xml
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@@ -1,6 +1,6 @@
<refentry id="V4L2-PIX-FMT-NV12M">
<refmeta>
<refentrytitle>V4L2_PIX_FMT_NV12M ('NM12')</refentrytitle>
<refentrytitle>V4L2_PIX_FMT_NV12M ('NV12M')</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
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2 changes: 1 addition & 1 deletion trunk/Documentation/DocBook/media/v4l/pixfmt-yuv420m.xml
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@@ -1,6 +1,6 @@
<refentry id="V4L2-PIX-FMT-YUV420M">
<refmeta>
<refentrytitle>V4L2_PIX_FMT_YUV420M ('YM12')</refentrytitle>
<refentrytitle>V4L2_PIX_FMT_YUV420M ('YU12M')</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
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2 changes: 1 addition & 1 deletion trunk/Documentation/cgroups/cpusets.txt
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Expand Up @@ -217,7 +217,7 @@ and name space for cpusets, with a minimum of additional kernel code.

The cpus and mems files in the root (top_cpuset) cpuset are
read-only. The cpus file automatically tracks the value of
cpu_online_mask using a CPU hotplug notifier, and the mems file
cpu_online_map using a CPU hotplug notifier, and the mems file
automatically tracks the value of node_states[N_HIGH_MEMORY]--i.e.,
nodes with memory--using the cpuset_track_online_nodes() hook.

Expand Down
5 changes: 3 additions & 2 deletions trunk/Documentation/cgroups/memory.txt
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Expand Up @@ -34,7 +34,8 @@ Current Status: linux-2.6.34-mmotm(development version of 2010/April)

Features:
- accounting anonymous pages, file caches, swap caches usage and limiting them.
- pages are linked to per-memcg LRU exclusively, and there is no global LRU.
- private LRU and reclaim routine. (system's global LRU and private LRU
work independently from each other)
- optionally, memory+swap usage can be accounted and limited.
- hierarchical accounting
- soft limit
Expand Down Expand Up @@ -153,7 +154,7 @@ updated. page_cgroup has its own LRU on cgroup.
2.2.1 Accounting details

All mapped anon pages (RSS) and cache pages (Page Cache) are accounted.
Some pages which are never reclaimable and will not be on the LRU
Some pages which are never reclaimable and will not be on the global LRU
are not accounted. We just account pages under usual VM management.

RSS pages are accounted at page_fault unless they've already been accounted
Expand Down
22 changes: 11 additions & 11 deletions trunk/Documentation/cpu-hotplug.txt
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Expand Up @@ -47,7 +47,7 @@ maxcpus=n Restrict boot time cpus to n. Say if you have 4 cpus, using
other cpus later online, read FAQ's for more info.

additional_cpus=n (*) Use this to limit hotpluggable cpus. This option sets
cpu_possible_mask = cpu_present_mask + additional_cpus
cpu_possible_map = cpu_present_map + additional_cpus

cede_offline={"off","on"} Use this option to disable/enable putting offlined
processors to an extended H_CEDE state on
Expand All @@ -64,33 +64,33 @@ should only rely on this to count the # of cpus, but *MUST* not rely
on the apicid values in those tables for disabled apics. In the event
BIOS doesn't mark such hot-pluggable cpus as disabled entries, one could
use this parameter "additional_cpus=x" to represent those cpus in the
cpu_possible_mask.
cpu_possible_map.

possible_cpus=n [s390,x86_64] use this to set hotpluggable cpus.
This option sets possible_cpus bits in
cpu_possible_mask. Thus keeping the numbers of bits set
cpu_possible_map. Thus keeping the numbers of bits set
constant even if the machine gets rebooted.

CPU maps and such
-----------------
[More on cpumaps and primitive to manipulate, please check
include/linux/cpumask.h that has more descriptive text.]

cpu_possible_mask: Bitmap of possible CPUs that can ever be available in the
cpu_possible_map: Bitmap of possible CPUs that can ever be available in the
system. This is used to allocate some boot time memory for per_cpu variables
that aren't designed to grow/shrink as CPUs are made available or removed.
Once set during boot time discovery phase, the map is static, i.e no bits
are added or removed anytime. Trimming it accurately for your system needs
upfront can save some boot time memory. See below for how we use heuristics
in x86_64 case to keep this under check.

cpu_online_mask: Bitmap of all CPUs currently online. Its set in __cpu_up()
cpu_online_map: Bitmap of all CPUs currently online. Its set in __cpu_up()
after a cpu is available for kernel scheduling and ready to receive
interrupts from devices. Its cleared when a cpu is brought down using
__cpu_disable(), before which all OS services including interrupts are
migrated to another target CPU.

cpu_present_mask: Bitmap of CPUs currently present in the system. Not all
cpu_present_map: Bitmap of CPUs currently present in the system. Not all
of them may be online. When physical hotplug is processed by the relevant
subsystem (e.g ACPI) can change and new bit either be added or removed
from the map depending on the event is hot-add/hot-remove. There are currently
Expand All @@ -99,22 +99,22 @@ at which time hotplug is disabled.

You really dont need to manipulate any of the system cpu maps. They should
be read-only for most use. When setting up per-cpu resources almost always use
cpu_possible_mask/for_each_possible_cpu() to iterate.
cpu_possible_map/for_each_possible_cpu() to iterate.

Never use anything other than cpumask_t to represent bitmap of CPUs.

#include <linux/cpumask.h>

for_each_possible_cpu - Iterate over cpu_possible_mask
for_each_online_cpu - Iterate over cpu_online_mask
for_each_present_cpu - Iterate over cpu_present_mask
for_each_possible_cpu - Iterate over cpu_possible_map
for_each_online_cpu - Iterate over cpu_online_map
for_each_present_cpu - Iterate over cpu_present_map
for_each_cpu_mask(x,mask) - Iterate over some random collection of cpu mask.

#include <linux/cpu.h>
get_online_cpus() and put_online_cpus():

The above calls are used to inhibit cpu hotplug operations. While the
cpu_hotplug.refcount is non zero, the cpu_online_mask will not change.
cpu_hotplug.refcount is non zero, the cpu_online_map will not change.
If you merely need to avoid cpus going away, you could also use
preempt_disable() and preempt_enable() for those sections.
Just remember the critical section cannot call any
Expand Down

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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
* AHCI SATA Controller
* Calxeda SATA Controller

SATA nodes are defined to describe on-chip Serial ATA controllers.
Each SATA controller should have its own node.

Required properties:
- compatible : compatible list, contains "calxeda,hb-ahci" or "snps,spear-ahci"
- compatible : compatible list, contains "calxeda,hb-ahci"
- interrupts : <interrupt mapping for SATA IRQ>
- reg : <registers mapping>

Expand All @@ -14,3 +14,4 @@ Example:
reg = <0xffe08000 0x1000>;
interrupts = <115>;
};

6 changes: 2 additions & 4 deletions trunk/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
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Expand Up @@ -11,11 +11,9 @@ Required properties:
- interrupt-parent : interrupt source phandle.
- clock-frequency : specifies eSDHC base clock frequency.
- sdhci,wp-inverted : (optional) specifies that eSDHC controller
reports inverted write-protect state; New devices should use
the generic "wp-inverted" property.
reports inverted write-protect state;
- sdhci,1-bit-only : (optional) specifies that a controller can
only handle 1-bit data transfers. New devices should use the
generic "bus-width = <1>" property.
only handle 1-bit data transfers.
- sdhci,auto-cmd12: (optional) specifies that a controller can
only handle auto CMD12.

Expand Down
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Expand Up @@ -9,7 +9,7 @@ Required properties:
- interrupts : Should contain eSDHC interrupt

Optional properties:
- non-removable : Indicate the card is wired to host permanently
- fsl,card-wired : Indicate the card is wired to host permanently
- fsl,cd-internal : Indicate to use controller internal card detection
- fsl,wp-internal : Indicate to use controller internal write protection
- cd-gpios : Specify GPIOs for card detection
Expand Down
3 changes: 1 addition & 2 deletions trunk/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,7 @@ Required properties:

Optional properties:
- gpios : may specify GPIOs in this order: Card-Detect GPIO,
Write-Protect GPIO. Note that this does not follow the
binding from mmc.txt, for historic reasons.
Write-Protect GPIO.
- interrupts : the interrupt of a card detect interrupt.
- interrupt-parent : the phandle for the interrupt controller that
services interrupts for this device.
Expand Down
27 changes: 0 additions & 27 deletions trunk/Documentation/devicetree/bindings/mmc/mmc.txt

This file was deleted.

4 changes: 2 additions & 2 deletions trunk/Documentation/devicetree/bindings/mmc/nvidia-sdhci.txt
Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,12 @@ Required properties:
- compatible : Should be "nvidia,<chip>-sdhci"
- reg : Should contain SD/MMC registers location and length
- interrupts : Should contain SD/MMC interrupt
- bus-width : Number of data lines, can be <1>, <4>, or <8>

Optional properties:
- cd-gpios : Specify GPIOs for card detection
- wp-gpios : Specify GPIOs for write protection
- power-gpios : Specify GPIOs for power control
- support-8bit : Boolean, indicates if 8-bit mode should be used.

Example:

Expand All @@ -23,5 +23,5 @@ sdhci@c8000200 {
cd-gpios = <&gpio 69 0>; /* gpio PI5 */
wp-gpios = <&gpio 57 0>; /* gpio PH1 */
power-gpios = <&gpio 155 0>; /* gpio PT3 */
bus-width = <8>;
support-8bit;
};
4 changes: 2 additions & 2 deletions trunk/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
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Expand Up @@ -15,7 +15,7 @@ Optional properties:
ti,dual-volt: boolean, supports dual voltage cards
<supply-name>-supply: phandle to the regulator device tree node
"supply-name" examples are "vmmc", "vmmc_aux" etc
bus-width: Number of data lines, default assumed is 1 if the property is missing.
ti,bus-width: Number of data lines, default assumed is 1 if the property is missing.
cd-gpios: GPIOs for card detection
wp-gpios: GPIOs for write protection
ti,non-removable: non-removable slot (like eMMC)
Expand All @@ -27,7 +27,7 @@ Example:
reg = <0x4809c000 0x400>;
ti,hwmods = "mmc1";
ti,dual-volt;
bus-width = <4>;
ti,bus-width = <4>;
vmmc-supply = <&vmmc>; /* phandle to regulator node */
ti,non-removable;
};
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