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r: 310581
b: refs/heads/master
c: 063e047
h: refs/heads/master
i:
  310579: 1a87b09
v: v3
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Ingo Molnar committed May 30, 2012
1 parent 8078a66 commit 8bd12d3
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 03d8f5408235bfd2781142458e0c0671530e74e7
refs/heads/master: 063e04776172f93b16a5eefd5661a340c1126513
2 changes: 0 additions & 2 deletions trunk/.mailmap
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Expand Up @@ -113,5 +113,3 @@ Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>
Gustavo Padovan <padovan@profusion.mobi>
12 changes: 2 additions & 10 deletions trunk/Documentation/ABI/testing/sysfs-block-rssd
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Expand Up @@ -6,21 +6,13 @@ Description: This is a read-only file. Dumps below driver information and
hardware registers.
- S ACTive
- Command Issue
- Allocated
- Completed
- PORT IRQ STAT
- HOST IRQ STAT
- Allocated
- Commands in Q

What: /sys/block/rssd*/status
Date: April 2012
KernelVersion: 3.4
Contact: Asai Thambi S P <asamymuthupa@micron.com>
Description: This is a read-only file. Indicates the status of the device.

What: /sys/block/rssd*/flags
Date: May 2012
KernelVersion: 3.5
Contact: Asai Thambi S P <asamymuthupa@micron.com>
Description: This is a read-only file. Dumps the flags in port and driver
data structure
Description: This is a read-only file. Indicates the status of the device.
77 changes: 0 additions & 77 deletions trunk/Documentation/ABI/testing/sysfs-bus-fcoe

This file was deleted.

4 changes: 2 additions & 2 deletions trunk/Documentation/ABI/testing/sysfs-bus-rbd
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Expand Up @@ -65,11 +65,11 @@ snap_*
Entries under /sys/bus/rbd/devices/<dev-id>/snap_<snap-name>
-------------------------------------------------------------

snap_id
id

The rados internal snapshot id assigned for this snapshot

snap_size
size

The size of the image when this snapshot was taken.

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51 changes: 0 additions & 51 deletions trunk/Documentation/ABI/testing/sysfs-class-mtd
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Expand Up @@ -123,54 +123,3 @@ Description:
half page, or a quarter page).

In the case of ECC NOR, it is the ECC block size.

What: /sys/class/mtd/mtdX/ecc_strength
Date: April 2012
KernelVersion: 3.4
Contact: linux-mtd@lists.infradead.org
Description:
Maximum number of bit errors that the device is capable of
correcting within each region covering an ecc step. This will
always be a non-negative integer. Note that some devices will
have multiple ecc steps within each writesize region.

In the case of devices lacking any ECC capability, it is 0.

What: /sys/class/mtd/mtdX/bitflip_threshold
Date: April 2012
KernelVersion: 3.4
Contact: linux-mtd@lists.infradead.org
Description:
This allows the user to examine and adjust the criteria by which
mtd returns -EUCLEAN from mtd_read(). If the maximum number of
bit errors that were corrected on any single region comprising
an ecc step (as reported by the driver) equals or exceeds this
value, -EUCLEAN is returned. Otherwise, absent an error, 0 is
returned. Higher layers (e.g., UBI) use this return code as an
indication that an erase block may be degrading and should be
scrutinized as a candidate for being marked as bad.

The initial value may be specified by the flash device driver.
If not, then the default value is ecc_strength.

The introduction of this feature brings a subtle change to the
meaning of the -EUCLEAN return code. Previously, it was
interpreted to mean simply "one or more bit errors were
corrected". Its new interpretation can be phrased as "a
dangerously high number of bit errors were corrected on one or
more regions comprising an ecc step". The precise definition of
"dangerously high" can be adjusted by the user with
bitflip_threshold. Users are discouraged from doing this,
however, unless they know what they are doing and have intimate
knowledge of the properties of their device. Broadly speaking,
bitflip_threshold should be low enough to detect genuine erase
block degradation, but high enough to avoid the consequences of
a persistent return value of -EUCLEAN on devices where sticky
bitflips occur. Note that if bitflip_threshold exceeds
ecc_strength, -EUCLEAN is never returned by mtd_read().
Conversely, if bitflip_threshold is zero, -EUCLEAN is always
returned, absent a hard error.

This is generally applicable only to NAND flash devices with ECC
capability. It is ignored on devices lacking ECC capability;
i.e., devices for which ecc_strength is zero.
16 changes: 2 additions & 14 deletions trunk/Documentation/CodingStyle
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Expand Up @@ -671,9 +671,8 @@ ones already enabled by DEBUG.
Chapter 14: Allocating memory

The kernel provides the following general purpose memory allocators:
kmalloc(), kzalloc(), kmalloc_array(), kcalloc(), vmalloc(), and
vzalloc(). Please refer to the API documentation for further information
about them.
kmalloc(), kzalloc(), kcalloc(), vmalloc(), and vzalloc(). Please refer to
the API documentation for further information about them.

The preferred form for passing a size of a struct is the following:

Expand All @@ -687,17 +686,6 @@ Casting the return value which is a void pointer is redundant. The conversion
from void pointer to any other pointer type is guaranteed by the C programming
language.

The preferred form for allocating an array is the following:

p = kmalloc_array(n, sizeof(...), ...);

The preferred form for allocating a zeroed array is the following:

p = kcalloc(n, sizeof(...), ...);

Both forms check for overflow on the allocation size n * sizeof(...),
and return NULL if that occurred.


Chapter 15: The inline disease

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2 changes: 2 additions & 0 deletions trunk/Documentation/DocBook/mtdnand.tmpl
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Expand Up @@ -1119,6 +1119,8 @@ in this page</entry>
These constants are defined in nand.h. They are ored together to describe
the chip functionality.
<programlisting>
/* Chip can not auto increment pages */
#define NAND_NO_AUTOINCR 0x00000001
/* Buswitdh is 16 bit */
#define NAND_BUSWIDTH_16 0x00000002
/* Device supports partial programming without padding */
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46 changes: 0 additions & 46 deletions trunk/Documentation/arm/OMAP/DSS
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Expand Up @@ -47,51 +47,6 @@ flexible way to enable non-common multi-display configuration. In addition to
modelling the hardware overlays, omapdss supports virtual overlays and overlay
managers. These can be used when updating a display with CPU or system DMA.

omapdss driver support for audio
--------------------------------
There exist several display technologies and standards that support audio as
well. Hence, it is relevant to update the DSS device driver to provide an audio
interface that may be used by an audio driver or any other driver interested in
the functionality.

The audio_enable function is intended to prepare the relevant
IP for playback (e.g., enabling an audio FIFO, taking in/out of reset
some IP, enabling companion chips, etc). It is intended to be called before
audio_start. The audio_disable function performs the reverse operation and is
intended to be called after audio_stop.

While a given DSS device driver may support audio, it is possible that for
certain configurations audio is not supported (e.g., an HDMI display using a
VESA video timing). The audio_supported function is intended to query whether
the current configuration of the display supports audio.

The audio_config function is intended to configure all the relevant audio
parameters of the display. In order to make the function independent of any
specific DSS device driver, a struct omap_dss_audio is defined. Its purpose
is to contain all the required parameters for audio configuration. At the
moment, such structure contains pointers to IEC-60958 channel status word
and CEA-861 audio infoframe structures. This should be enough to support
HDMI and DisplayPort, as both are based on CEA-861 and IEC-60958.

The audio_enable/disable, audio_config and audio_supported functions could be
implemented as functions that may sleep. Hence, they should not be called
while holding a spinlock or a readlock.

The audio_start/audio_stop function is intended to effectively start/stop audio
playback after the configuration has taken place. These functions are designed
to be used in an atomic context. Hence, audio_start should return quickly and be
called only after all the needed resources for audio playback (audio FIFOs,
DMA channels, companion chips, etc) have been enabled to begin data transfers.
audio_stop is designed to only stop the audio transfers. The resources used
for playback are released using audio_disable.

The enum omap_dss_audio_state may be used to help the implementations of
the interface to keep track of the audio state. The initial state is _DISABLED;
then, the state transitions to _CONFIGURED, and then, when it is ready to
play audio, to _ENABLED. The state _PLAYING is used when the audio is being
rendered.


Panel and controller drivers
----------------------------

Expand Down Expand Up @@ -201,7 +156,6 @@ timings Display timings (pixclock,xres/hfp/hbp/hsw,yres/vfp/vbp/vsw)
"pal" and "ntsc"
panel_name
tear_elim Tearing elimination 0=off, 1=on
output_type Output type (video encoder only): "composite" or "svideo"

There are also some debugfs files at <debugfs>/omapdss/ which show information
about clocks and registers.
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11 changes: 0 additions & 11 deletions trunk/Documentation/device-mapper/thin-provisioning.txt
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Expand Up @@ -287,17 +287,6 @@ iii) Messages
the current transaction id is when you change it with this
compare-and-swap message.

reserve_metadata_snap

Reserve a copy of the data mapping btree for use by userland.
This allows userland to inspect the mappings as they were when
this message was executed. Use the pool's status command to
get the root block associated with the metadata snapshot.

release_metadata_snap

Release a previously reserved copy of the data mapping btree.

'thin' target
-------------

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93 changes: 0 additions & 93 deletions trunk/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt

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