aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/arm/Samsung-S3C24XX/GPIO.txt15
-rw-r--r--Documentation/arm/Samsung-S3C24XX/Overview.txt35
-rw-r--r--Documentation/filesystems/ubifs.txt2
-rw-r--r--Documentation/hwmon/ibmaem33
-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt10
-rw-r--r--Documentation/vm/page_migration9
6 files changed, 73 insertions, 31 deletions
diff --git a/Documentation/arm/Samsung-S3C24XX/GPIO.txt b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
index b5d20c0b2ab..ea7ccfc4b27 100644
--- a/Documentation/arm/Samsung-S3C24XX/GPIO.txt
+++ b/Documentation/arm/Samsung-S3C24XX/GPIO.txt
@@ -13,6 +13,21 @@ Introduction
13 data-sheet/users manual to find out the complete list. 13 data-sheet/users manual to find out the complete list.
14 14
15 15
16GPIOLIB
17-------
18
19 With the event of the GPIOLIB in drivers/gpio, support for some
20 of the GPIO functions such as reading and writing a pin will
21 be removed in favour of this common access method.
22
23 Once all the extant drivers have been converted, the functions
24 listed below will be removed (they may be marked as __deprecated
25 in the near future).
26
27 - s3c2410_gpio_getpin
28 - s3c2410_gpio_setpin
29
30
16Headers 31Headers
17------- 32-------
18 33
diff --git a/Documentation/arm/Samsung-S3C24XX/Overview.txt b/Documentation/arm/Samsung-S3C24XX/Overview.txt
index 014a8ec4877..cff6227b448 100644
--- a/Documentation/arm/Samsung-S3C24XX/Overview.txt
+++ b/Documentation/arm/Samsung-S3C24XX/Overview.txt
@@ -8,9 +8,10 @@ Introduction
8 8
9 The Samsung S3C24XX range of ARM9 System-on-Chip CPUs are supported 9 The Samsung S3C24XX range of ARM9 System-on-Chip CPUs are supported
10 by the 's3c2410' architecture of ARM Linux. Currently the S3C2410, 10 by the 's3c2410' architecture of ARM Linux. Currently the S3C2410,
11 S3C2412, S3C2413, S3C2440 and S3C2442 devices are supported. 11 S3C2412, S3C2413, S3C2440, S3C2442 and S3C2443 devices are supported.
12
13 Support for the S3C2400 and S3C24A0 series are in progress.
12 14
13 Support for the S3C2400 series is in progress.
14 15
15Configuration 16Configuration
16------------- 17-------------
@@ -38,6 +39,22 @@ Layout
38 Register, kernel and platform data definitions are held in the 39 Register, kernel and platform data definitions are held in the
39 arch/arm/mach-s3c2410 directory./include/mach 40 arch/arm/mach-s3c2410 directory./include/mach
40 41
42arch/arm/plat-s3c24xx:
43
44 Files in here are either common to all the s3c24xx family,
45 or are common to only some of them with names to indicate this
46 status. The files that are not common to all are generally named
47 with the initial cpu they support in the series to ensure a short
48 name without any possibility of confusion with newer devices.
49
50 As an example, initially s3c244x would cover s3c2440 and s3c2442, but
51 with the s3c2443 which does not share many of the same drivers in
52 this directory, the name becomes invalid. We stick to s3c2440-<x>
53 to indicate a driver that is s3c2440 and s3c2442 compatible.
54
55 This does mean that to find the status of any given SoC, a number
56 of directories may need to be searched.
57
41 58
42Machines 59Machines
43-------- 60--------
@@ -159,6 +176,17 @@ NAND
159 For more information see Documentation/arm/Samsung-S3C24XX/NAND.txt 176 For more information see Documentation/arm/Samsung-S3C24XX/NAND.txt
160 177
161 178
179SD/MMC
180------
181
182 The SD/MMC hardware pre S3C2443 is supported in the current
183 kernel, the driver is drivers/mmc/host/s3cmci.c and supports
184 1 and 4 bit SD or MMC cards.
185
186 The SDIO behaviour of this driver has not been fully tested. There is no
187 current support for hardware SDIO interrupts.
188
189
162Serial 190Serial
163------ 191------
164 192
@@ -178,6 +206,9 @@ GPIO
178 The core contains support for manipulating the GPIO, see the 206 The core contains support for manipulating the GPIO, see the
179 documentation in GPIO.txt in the same directory as this file. 207 documentation in GPIO.txt in the same directory as this file.
180 208
209 Newer kernels carry GPIOLIB, and support is being moved towards
210 this with some of the older support in line to be removed.
211
181 212
182Clock Management 213Clock Management
183---------------- 214----------------
diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 540e9e7f59c..6a0d70a22f0 100644
--- a/Documentation/filesystems/ubifs.txt
+++ b/Documentation/filesystems/ubifs.txt
@@ -57,7 +57,7 @@ Similarly to JFFS2, UBIFS supports on-the-flight compression which makes
57it possible to fit quite a lot of data to the flash. 57it possible to fit quite a lot of data to the flash.
58 58
59Similarly to JFFS2, UBIFS is tolerant of unclean reboots and power-cuts. 59Similarly to JFFS2, UBIFS is tolerant of unclean reboots and power-cuts.
60It does not need stuff like ckfs.ext2. UBIFS automatically replays its 60It does not need stuff like fsck.ext2. UBIFS automatically replays its
61journal and recovers from crashes, ensuring that the on-flash data 61journal and recovers from crashes, ensuring that the on-flash data
62structures are consistent. 62structures are consistent.
63 63
diff --git a/Documentation/hwmon/ibmaem b/Documentation/hwmon/ibmaem
index 2fefaf582a4..e98bdfea346 100644
--- a/Documentation/hwmon/ibmaem
+++ b/Documentation/hwmon/ibmaem
@@ -1,8 +1,11 @@
1Kernel driver ibmaem 1Kernel driver ibmaem
2====================== 2======================
3 3
4This driver talks to the IBM Systems Director Active Energy Manager, known
5henceforth as AEM.
6
4Supported systems: 7Supported systems:
5 * Any recent IBM System X server with Active Energy Manager support. 8 * Any recent IBM System X server with AEM support.
6 This includes the x3350, x3550, x3650, x3655, x3755, x3850 M2, 9 This includes the x3350, x3550, x3650, x3655, x3755, x3850 M2,
7 x3950 M2, and certain HS2x/LS2x/QS2x blades. The IPMI host interface 10 x3950 M2, and certain HS2x/LS2x/QS2x blades. The IPMI host interface
8 driver ("ipmi-si") needs to be loaded for this driver to do anything. 11 driver ("ipmi-si") needs to be loaded for this driver to do anything.
@@ -14,24 +17,22 @@ Author: Darrick J. Wong
14Description 17Description
15----------- 18-----------
16 19
17This driver implements sensor reading support for the energy and power 20This driver implements sensor reading support for the energy and power meters
18meters available on various IBM System X hardware through the BMC. All 21available on various IBM System X hardware through the BMC. All sensor banks
19sensor banks will be exported as platform devices; this driver can talk 22will be exported as platform devices; this driver can talk to both v1 and v2
20to both v1 and v2 interfaces. This driver is completely separate from the 23interfaces. This driver is completely separate from the older ibmpex driver.
21older ibmpex driver.
22 24
23The v1 AEM interface has a simple set of features to monitor energy use. 25The v1 AEM interface has a simple set of features to monitor energy use. There
24There is a register that displays an estimate of raw energy consumption 26is a register that displays an estimate of raw energy consumption since the
25since the last BMC reset, and a power sensor that returns average power 27last BMC reset, and a power sensor that returns average power use over a
26use over a configurable interval. 28configurable interval.
27 29
28The v2 AEM interface is a bit more sophisticated, being able to present 30The v2 AEM interface is a bit more sophisticated, being able to present a wider
29a wider range of energy and power use registers, the power cap as 31range of energy and power use registers, the power cap as set by the AEM
30set by the AEM software, and temperature sensors. 32software, and temperature sensors.
31 33
32Special Features 34Special Features
33---------------- 35----------------
34 36
35The "power_cap" value displays the current system power cap, as set by 37The "power_cap" value displays the current system power cap, as set by the AEM
36the Active Energy Manager software. Setting the power cap from the host 38software. Setting the power cap from the host is not currently supported.
37is not currently supported.
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 6f6d117ac7e..b117e42a616 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1144,8 +1144,6 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
1144 1144
1145 This module supports autoprobe and multiple cards. 1145 This module supports autoprobe and multiple cards.
1146 1146
1147 Power management is _not_ supported.
1148
1149 Module snd-ice1712 1147 Module snd-ice1712
1150 ------------------ 1148 ------------------
1151 1149
@@ -1628,8 +1626,6 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
1628 1626
1629 This module supports autoprobe and multiple cards. 1627 This module supports autoprobe and multiple cards.
1630 1628
1631 Power management is _not_ supported.
1632
1633 Module snd-pcsp 1629 Module snd-pcsp
1634 ----------------- 1630 -----------------
1635 1631
@@ -2081,13 +2077,11 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
2081 Module snd-virtuoso 2077 Module snd-virtuoso
2082 ------------------- 2078 -------------------
2083 2079
2084 Module for sound cards based on the Asus AV200 chip, i.e., 2080 Module for sound cards based on the Asus AV100/AV200 chips,
2085 Xonar D2 and Xonar D2X. 2081 i.e., Xonar D1, DX, D2 and D2X.
2086 2082
2087 This module supports autoprobe and multiple cards. 2083 This module supports autoprobe and multiple cards.
2088 2084
2089 Power management is _not_ supported.
2090
2091 Module snd-vx222 2085 Module snd-vx222
2092 ---------------- 2086 ----------------
2093 2087
diff --git a/Documentation/vm/page_migration b/Documentation/vm/page_migration
index 99f89aa1016..d5fdfd34bba 100644
--- a/Documentation/vm/page_migration
+++ b/Documentation/vm/page_migration
@@ -18,10 +18,11 @@ migrate_pages function call takes two sets of nodes and moves pages of a
18process that are located on the from nodes to the destination nodes. 18process that are located on the from nodes to the destination nodes.
19Page migration functions are provided by the numactl package by Andi Kleen 19Page migration functions are provided by the numactl package by Andi Kleen
20(a version later than 0.9.3 is required. Get it from 20(a version later than 0.9.3 is required. Get it from
21ftp://ftp.suse.com/pub/people/ak). numactl provided libnuma which 21ftp://oss.sgi.com/www/projects/libnuma/download/). numactl provides libnuma
22provides an interface similar to other numa functionality for page migration. 22which provides an interface similar to other numa functionality for page
23cat /proc/<pid>/numa_maps allows an easy review of where the pages of 23migration. cat /proc/<pid>/numa_maps allows an easy review of where the
24a process are located. See also the numa_maps manpage in the numactl package. 24pages of a process are located. See also the numa_maps documentation in the
25proc(5) man page.
25 26
26Manual migration is useful if for example the scheduler has relocated 27Manual migration is useful if for example the scheduler has relocated
27a process to a processor on a distant node. A batch scheduler or an 28a process to a processor on a distant node. A batch scheduler or an