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r: 57509
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c: 59be7dc
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Tiger Yang authored and Mark Fasheh committed Jun 6, 2007
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 81d84a94be8085475c3585596e52b06ccbedd922
refs/heads/master: 59be7dc97bacc0fd8e22f0be6e2aebb5c9b4ff47
26 changes: 1 addition & 25 deletions trunk/Documentation/SubmittingPatches
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Expand Up @@ -340,32 +340,8 @@ now, but you can do this to mark internal company procedures or just
point out some special detail about the sign-off.


13) When to use Acked-by:

The Signed-off-by: tag indicates that the signer was involved in the
development of the patch, or that he/she was in the patch's delivery path.

If a person was not directly involved in the preparation or handling of a
patch but wishes to signify and record their approval of it then they can
arrange to have an Acked-by: line added to the patch's changelog.

Acked-by: is often used by the maintainer of the affected code when that
maintainer neither contributed to nor forwarded the patch.

Acked-by: is not as formal as Signed-off-by:. It is a record that the acker
has at least reviewed the patch and has indicated acceptance. Hence patch
mergers will sometimes manually convert an acker's "yep, looks good to me"
into an Acked-by:.

Acked-by: does not necessarily indicate acknowledgement of the entire patch.
For example, if a patch affects multiple subsystems and has an Acked-by: from
one subsystem maintainer then this usually indicates acknowledgement of just
the part which affects that maintainer's code. Judgement should be used here.
When in doubt people should refer to the original discussion in the mailing
list archives.


14) The canonical patch format
13) The canonical patch format

The canonical patch subject line is:

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2 changes: 1 addition & 1 deletion trunk/Documentation/atomic_ops.txt
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Expand Up @@ -149,7 +149,7 @@ defined which accomplish this:
void smp_mb__before_atomic_dec(void);
void smp_mb__after_atomic_dec(void);
void smp_mb__before_atomic_inc(void);
void smp_mb__after_atomic_inc(void);
void smp_mb__after_atomic_dec(void);

For example, smp_mb__before_atomic_dec() can be used like so:

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40 changes: 0 additions & 40 deletions trunk/Documentation/driver-model/platform.txt
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Expand Up @@ -96,46 +96,6 @@ System setup also associates those clocks with the device, so that that
calls to clk_get(&pdev->dev, clock_name) return them as needed.


Legacy Drivers: Device Probing
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Some drivers are not fully converted to the driver model, because they take
on a non-driver role: the driver registers its platform device, rather than
leaving that for system infrastructure. Such drivers can't be hotplugged
or coldplugged, since those mechanisms require device creation to be in a
different system component than the driver.

The only "good" reason for this is to handle older system designs which, like
original IBM PCs, rely on error-prone "probe-the-hardware" models for hardware
configuration. Newer systems have largely abandoned that model, in favor of
bus-level support for dynamic configuration (PCI, USB), or device tables
provided by the boot firmware (e.g. PNPACPI on x86). There are too many
conflicting options about what might be where, and even educated guesses by
an operating system will be wrong often enough to make trouble.

This style of driver is discouraged. If you're updating such a driver,
please try to move the device enumeration to a more appropriate location,
outside the driver. This will usually be cleanup, since such drivers
tend to already have "normal" modes, such as ones using device nodes that
were created by PNP or by platform device setup.

None the less, there are some APIs to support such legacy drivers. Avoid
using these calls except with such hotplug-deficient drivers.

struct platform_device *platform_device_alloc(
char *name, unsigned id);

You can use platform_device_alloc() to dynamically allocate a device, which
you will then initialize with resources and platform_device_register().
A better solution is usually:

struct platform_device *platform_device_register_simple(
char *name, unsigned id,
struct resource *res, unsigned nres);

You can use platform_device_register_simple() as a one-step call to allocate
and register a device.


Device Naming and Driver Binding
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The platform_device.dev.bus_id is the canonical name for the devices.
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1 change: 0 additions & 1 deletion trunk/Documentation/feature-removal-schedule.txt
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Expand Up @@ -104,7 +104,6 @@ Who: Dominik Brodowski <linux@brodo.de>
What: remove EXPORT_SYMBOL(kernel_thread)
When: August 2006
Files: arch/*/kernel/*_ksyms.c
Funcs: kernel_thread
Why: kernel_thread is a low-level implementation detail. Drivers should
use the <linux/kthread.h> API instead which shields them from
implementation details and provides a higherlevel interface that
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10 changes: 5 additions & 5 deletions trunk/Documentation/filesystems/tmpfs.txt
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Expand Up @@ -94,10 +94,10 @@ largest node numbers in the range. For example, mpol=bind:0-3,5,7,9-15

Note that trying to mount a tmpfs with an mpol option will fail if the
running kernel does not support NUMA; and will fail if its nodelist
specifies a node which is not online. If your system relies on that
tmpfs being mounted, but from time to time runs a kernel built without
NUMA capability (perhaps a safe recovery kernel), or with fewer nodes
online, then it is advisable to omit the mpol option from automatic
specifies a node >= MAX_NUMNODES. If your system relies on that tmpfs
being mounted, but from time to time runs a kernel built without NUMA
capability (perhaps a safe recovery kernel), or configured to support
fewer nodes, then it is advisable to omit the mpol option from automatic
mount options. It can be added later, when the tmpfs is already mounted
on MountPoint, by 'mount -o remount,mpol=Policy:NodeList MountPoint'.

Expand All @@ -121,4 +121,4 @@ RAM/SWAP in 10240 inodes and it is only accessible by root.
Author:
Christoph Rohland <cr@sap.com>, 1.12.01
Updated:
Hugh Dickins <hugh@veritas.com>, 4 June 2007
Hugh Dickins <hugh@veritas.com>, 19 February 2006
2 changes: 1 addition & 1 deletion trunk/Documentation/firmware_class/README
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@@ -1,7 +1,7 @@

request_firmware() hotplug interface:
------------------------------------
Copyright (C) 2003 Manuel Estrada Sainz
Copyright (C) 2003 Manuel Estrada Sainz <ranty@debian.org>

Why:
---
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@@ -1,7 +1,7 @@
/*
* firmware_sample_driver.c -
*
* Copyright (c) 2003 Manuel Estrada Sainz
* Copyright (c) 2003 Manuel Estrada Sainz <ranty@debian.org>
*
* Sample code on how to use request_firmware() from drivers.
*
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@@ -1,7 +1,7 @@
/*
* firmware_sample_firmware_class.c -
*
* Copyright (c) 2003 Manuel Estrada Sainz
* Copyright (c) 2003 Manuel Estrada Sainz <ranty@debian.org>
*
* NOTE: This is just a probe of concept, if you think that your driver would
* be well served by this mechanism please contact me first.
Expand All @@ -19,7 +19,7 @@
#include <linux/firmware.h>


MODULE_AUTHOR("Manuel Estrada Sainz");
MODULE_AUTHOR("Manuel Estrada Sainz <ranty@debian.org>");
MODULE_DESCRIPTION("Hackish sample for using firmware class directly");
MODULE_LICENSE("GPL");

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2 changes: 0 additions & 2 deletions trunk/Documentation/networking/00-INDEX
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Expand Up @@ -32,8 +32,6 @@ cops.txt
- info on the COPS LocalTalk Linux driver
cs89x0.txt
- the Crystal LAN (CS8900/20-based) Ethernet ISA adapter driver
cxacru.txt
- Conexant AccessRunner USB ADSL Modem
de4x5.txt
- the Digital EtherWORKS DE4?? and DE5?? PCI Ethernet driver
decnet.txt
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84 changes: 0 additions & 84 deletions trunk/Documentation/networking/cxacru.txt

This file was deleted.

59 changes: 2 additions & 57 deletions trunk/Documentation/powerpc/booting-without-of.txt
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Booting the Linux/ppc kernel without Open Firmware
--------------------------------------------------


(c) 2005 Benjamin Herrenschmidt <benh at kernel.crashing.org>,
IBM Corp.
(c) 2005 Becky Bruce <becky.bruce at freescale.com>,
Freescale Semiconductor, FSL SOC and 32-bit additions
(c) 2006 MontaVista Software, Inc.
Flash chip node definition

Table of Contents
=================

I - Introduction
1) Entry point for arch/powerpc
2) Board support

II - The DT block format
1) Header
2) Device tree generalities
3) Device tree "structure" block
4) Device tree "strings" block

III - Required content of the device tree
1) Note about cells and address representation
2) Note about "compatible" properties
3) Note about "name" properties
4) Note about node and property names and character set
5) Required nodes and properties
a) The root node
b) The /cpus node
c) The /cpus/* nodes
d) the /memory node(s)
e) The /chosen node
f) the /soc<SOCname> node

IV - "dtc", the device tree compiler

V - Recommendations for a bootloader

VI - System-on-a-chip devices and nodes
1) Defining child nodes of an SOC
2) Representing devices without a current OF specification
a) MDIO IO device
c) PHY nodes
b) Gianfar-compatible ethernet nodes
d) Interrupt controllers
e) I2C
f) Freescale SOC USB controllers
g) Freescale SOC SEC Security Engines
h) Board Control and Status (BCSR)
i) Freescale QUICC Engine module (QE)
g) Flash chip nodes

VII - Specifying interrupt information for devices
1) interrupts property
2) interrupt-parent property
3) OpenPIC Interrupt Controllers
4) ISA Interrupt Controllers

Appendix A - Sample SOC node for MPC8540


Revision Information
====================

May 18, 2005: Rev 0.1 - Initial draft, no chapter III yet.

May 19, 2005: Rev 0.2 - Add chapter III and bits & pieces here or
Expand Down Expand Up @@ -1742,7 +1687,7 @@ platforms are moved over to use the flattened-device-tree model.
};
};

j) Flash chip nodes
g) Flash chip nodes

Flash chips (Memory Technology Devices) are often used for solid state
file systems on embedded devices.
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19 changes: 14 additions & 5 deletions trunk/MAINTAINERS
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Expand Up @@ -782,6 +782,11 @@ M: rathamahata@php4.ru
L: linux-kernel@vger.kernel.org
S: Maintained

BERKSHIRE PRODUCTS PC WATCHDOG DRIVER
P: Kenji Hollis
W: http://ftp.bitgate.com/pcwd/
S: Maintained

BFS FILE SYSTEM
P: Tigran A. Aivazian
M: tigran@aivazian.fsnet.co.uk
Expand Down Expand Up @@ -3020,7 +3025,7 @@ S: Maintained
REISERFS FILE SYSTEM
P: Hans Reiser
M: reiserfs-dev@namesys.com
L: reiserfs-devel@vger.kernel.org
L: reiserfs-list@namesys.com
W: http://www.namesys.com
S: Supported

Expand Down Expand Up @@ -3899,6 +3904,10 @@ S: Maintained

UCLINUX FOR NEC V850
P: Miles Bader
M: uclinux-v850@lsi.nec.co.jp
W: http://www.ic.nec.co.jp/micro/uclinux/eng/
W: http://www.ee.nec.de/uclinux/
S: Supported

UCLINUX FOR RENESAS H8/300
P: Yoshinori Sato
Expand All @@ -3907,10 +3916,10 @@ W: http://uclinux-h8.sourceforge.jp/
S: Supported

UFS FILESYSTEM
P: Evgeniy Dushistov
M: dushistov@mail.ru
L: linux-kernel@vger.kernel.org
S: Maintained
P: Evgeniy Dushistov
M: dushistov@mail.ru
L: linux-kernel@vger.kernel.org
S: Maintained

USB DIAMOND RIO500 DRIVER
P: Cesar Miquel
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