diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/arm/Samsung-S3C24XX/GPIO.txt | 15 | ||||
-rw-r--r-- | Documentation/arm/Samsung-S3C24XX/Overview.txt | 35 | ||||
-rw-r--r-- | Documentation/filesystems/ubifs.txt | 2 | ||||
-rw-r--r-- | Documentation/hwmon/ibmaem | 33 | ||||
-rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 10 | ||||
-rw-r--r-- | Documentation/vm/page_migration | 9 |
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 | ||
16 | GPIOLIB | ||
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 | |||
16 | Headers | 31 | Headers |
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 | ||
15 | Configuration | 16 | Configuration |
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 | ||
42 | arch/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 | ||
42 | Machines | 59 | Machines |
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 | ||
179 | SD/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 | |||
162 | Serial | 190 | Serial |
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 | ||
182 | Clock Management | 213 | Clock 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 | |||
57 | it possible to fit quite a lot of data to the flash. | 57 | it possible to fit quite a lot of data to the flash. |
58 | 58 | ||
59 | Similarly to JFFS2, UBIFS is tolerant of unclean reboots and power-cuts. | 59 | Similarly to JFFS2, UBIFS is tolerant of unclean reboots and power-cuts. |
60 | It does not need stuff like ckfs.ext2. UBIFS automatically replays its | 60 | It does not need stuff like fsck.ext2. UBIFS automatically replays its |
61 | journal and recovers from crashes, ensuring that the on-flash data | 61 | journal and recovers from crashes, ensuring that the on-flash data |
62 | structures are consistent. | 62 | structures 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 @@ | |||
1 | Kernel driver ibmaem | 1 | Kernel driver ibmaem |
2 | ====================== | 2 | ====================== |
3 | 3 | ||
4 | This driver talks to the IBM Systems Director Active Energy Manager, known | ||
5 | henceforth as AEM. | ||
6 | |||
4 | Supported systems: | 7 | Supported 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 | |||
14 | Description | 17 | Description |
15 | ----------- | 18 | ----------- |
16 | 19 | ||
17 | This driver implements sensor reading support for the energy and power | 20 | This driver implements sensor reading support for the energy and power meters |
18 | meters available on various IBM System X hardware through the BMC. All | 21 | available on various IBM System X hardware through the BMC. All sensor banks |
19 | sensor banks will be exported as platform devices; this driver can talk | 22 | will be exported as platform devices; this driver can talk to both v1 and v2 |
20 | to both v1 and v2 interfaces. This driver is completely separate from the | 23 | interfaces. This driver is completely separate from the older ibmpex driver. |
21 | older ibmpex driver. | ||
22 | 24 | ||
23 | The v1 AEM interface has a simple set of features to monitor energy use. | 25 | The v1 AEM interface has a simple set of features to monitor energy use. There |
24 | There is a register that displays an estimate of raw energy consumption | 26 | is a register that displays an estimate of raw energy consumption since the |
25 | since the last BMC reset, and a power sensor that returns average power | 27 | last BMC reset, and a power sensor that returns average power use over a |
26 | use over a configurable interval. | 28 | configurable interval. |
27 | 29 | ||
28 | The v2 AEM interface is a bit more sophisticated, being able to present | 30 | The v2 AEM interface is a bit more sophisticated, being able to present a wider |
29 | a wider range of energy and power use registers, the power cap as | 31 | range of energy and power use registers, the power cap as set by the AEM |
30 | set by the AEM software, and temperature sensors. | 32 | software, and temperature sensors. |
31 | 33 | ||
32 | Special Features | 34 | Special Features |
33 | ---------------- | 35 | ---------------- |
34 | 36 | ||
35 | The "power_cap" value displays the current system power cap, as set by | 37 | The "power_cap" value displays the current system power cap, as set by the AEM |
36 | the Active Energy Manager software. Setting the power cap from the host | 38 | software. Setting the power cap from the host is not currently supported. |
37 | is 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 | |||
18 | process that are located on the from nodes to the destination nodes. | 18 | process that are located on the from nodes to the destination nodes. |
19 | Page migration functions are provided by the numactl package by Andi Kleen | 19 | Page 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 |
21 | ftp://ftp.suse.com/pub/people/ak). numactl provided libnuma which | 21 | ftp://oss.sgi.com/www/projects/libnuma/download/). numactl provides libnuma |
22 | provides an interface similar to other numa functionality for page migration. | 22 | which provides an interface similar to other numa functionality for page |
23 | cat /proc/<pid>/numa_maps allows an easy review of where the pages of | 23 | migration. cat /proc/<pid>/numa_maps allows an easy review of where the |
24 | a process are located. See also the numa_maps manpage in the numactl package. | 24 | pages of a process are located. See also the numa_maps documentation in the |
25 | proc(5) man page. | ||
25 | 26 | ||
26 | Manual migration is useful if for example the scheduler has relocated | 27 | Manual migration is useful if for example the scheduler has relocated |
27 | a process to a processor on a distant node. A batch scheduler or an | 28 | a process to a processor on a distant node. A batch scheduler or an |