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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-28 06:49:56 -0500
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-28 06:49:56 -0500
commit9ee4be4156b1a507f199e750ba2c13ffb6ea9b42 (patch)
treec92cb39ad1f0be559390c2a995d9aad2b0300b14 /Documentation
parent005d610f2abc550172726b997f5cfe683769cc1c (diff)
parentd4d6373c1109b11c8118340be97ae31b8f94d66a (diff)
Merge remote-tracking branch 'regulator/for-linus' into regulator-next
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-block13
-rw-r--r--Documentation/DocBook/uio-howto.tmpl7
-rw-r--r--Documentation/blockdev/cciss.txt14
-rw-r--r--Documentation/i2c/ten-bit-addresses36
-rw-r--r--Documentation/networking/ip-sysctl.txt2
-rw-r--r--Documentation/serial/serial-rs485.txt14
-rw-r--r--Documentation/sound/alsa/HD-Audio.txt8
7 files changed, 47 insertions, 47 deletions
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
index 2b5d56127fce..c1eb41cb9876 100644
--- a/Documentation/ABI/testing/sysfs-block
+++ b/Documentation/ABI/testing/sysfs-block
@@ -206,16 +206,3 @@ Description:
206 when a discarded area is read the discard_zeroes_data 206 when a discarded area is read the discard_zeroes_data
207 parameter will be set to one. Otherwise it will be 0 and 207 parameter will be set to one. Otherwise it will be 0 and
208 the result of reading a discarded area is undefined. 208 the result of reading a discarded area is undefined.
209What: /sys/block/<disk>/alias
210Date: Aug 2011
211Contact: Nao Nishijima <nao.nishijima.xt@hitachi.com>
212Description:
213 A raw device name of a disk does not always point a same disk
214 each boot-up time. Therefore, users have to use persistent
215 device names, which udev creates when the kernel finds a disk,
216 instead of raw device name. However, kernel doesn't show those
217 persistent names on its messages (e.g. dmesg).
218 This file can store an alias of the disk and it would be
219 appeared in kernel messages if it is set. A disk can have an
220 alias which length is up to 255bytes. Users can use alphabets,
221 numbers, "-" and "_" in alias name. This file is writeonce.
diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl
index 54883de5d5f9..ac3d0018140c 100644
--- a/Documentation/DocBook/uio-howto.tmpl
+++ b/Documentation/DocBook/uio-howto.tmpl
@@ -521,6 +521,11 @@ Here's a description of the fields of <varname>struct uio_mem</varname>:
521 521
522<itemizedlist> 522<itemizedlist>
523<listitem><para> 523<listitem><para>
524<varname>const char *name</varname>: Optional. Set this to help identify
525the memory region, it will show up in the corresponding sysfs node.
526</para></listitem>
527
528<listitem><para>
524<varname>int memtype</varname>: Required if the mapping is used. Set this to 529<varname>int memtype</varname>: Required if the mapping is used. Set this to
525<varname>UIO_MEM_PHYS</varname> if you you have physical memory on your 530<varname>UIO_MEM_PHYS</varname> if you you have physical memory on your
526card to be mapped. Use <varname>UIO_MEM_LOGICAL</varname> for logical 531card to be mapped. Use <varname>UIO_MEM_LOGICAL</varname> for logical
@@ -553,7 +558,7 @@ instead to remember such an address.
553</itemizedlist> 558</itemizedlist>
554 559
555<para> 560<para>
556Please do not touch the <varname>kobj</varname> element of 561Please do not touch the <varname>map</varname> element of
557<varname>struct uio_mem</varname>! It is used by the UIO framework 562<varname>struct uio_mem</varname>! It is used by the UIO framework
558to set up sysfs files for this mapping. Simply leave it alone. 563to set up sysfs files for this mapping. Simply leave it alone.
559</para> 564</para>
diff --git a/Documentation/blockdev/cciss.txt b/Documentation/blockdev/cciss.txt
index 71464e09ec18..b79d0a13e7cd 100644
--- a/Documentation/blockdev/cciss.txt
+++ b/Documentation/blockdev/cciss.txt
@@ -98,14 +98,12 @@ You must enable "SCSI tape drive support for Smart Array 5xxx" and
98"SCSI support" in your kernel configuration to be able to use SCSI 98"SCSI support" in your kernel configuration to be able to use SCSI
99tape drives with your Smart Array 5xxx controller. 99tape drives with your Smart Array 5xxx controller.
100 100
101Additionally, note that the driver will not engage the SCSI core at init 101Additionally, note that the driver will engage the SCSI core at init
102time. The driver must be directed to dynamically engage the SCSI core via 102time if any tape drives or medium changers are detected. The driver may
103the /proc filesystem entry which the "block" side of the driver creates as 103also be directed to dynamically engage the SCSI core via the /proc filesystem
104/proc/driver/cciss/cciss* at runtime. This is because at driver init time, 104entry which the "block" side of the driver creates as
105the SCSI core may not yet be initialized (because the driver is a block 105/proc/driver/cciss/cciss* at runtime. This is best done via a script.
106driver) and attempting to register it with the SCSI core in such a case 106
107would cause a hang. This is best done via an initialization script
108(typically in /etc/init.d, but could vary depending on distribution).
109For example: 107For example:
110 108
111 for x in /proc/driver/cciss/cciss[0-9]* 109 for x in /proc/driver/cciss/cciss[0-9]*
diff --git a/Documentation/i2c/ten-bit-addresses b/Documentation/i2c/ten-bit-addresses
index e9890709c508..cdfe13901b99 100644
--- a/Documentation/i2c/ten-bit-addresses
+++ b/Documentation/i2c/ten-bit-addresses
@@ -1,22 +1,24 @@
1The I2C protocol knows about two kinds of device addresses: normal 7 bit 1The I2C protocol knows about two kinds of device addresses: normal 7 bit
2addresses, and an extended set of 10 bit addresses. The sets of addresses 2addresses, and an extended set of 10 bit addresses. The sets of addresses
3do not intersect: the 7 bit address 0x10 is not the same as the 10 bit 3do not intersect: the 7 bit address 0x10 is not the same as the 10 bit
4address 0x10 (though a single device could respond to both of them). You 4address 0x10 (though a single device could respond to both of them).
5select a 10 bit address by adding an extra byte after the address
6byte:
7 S Addr7 Rd/Wr ....
8becomes
9 S 11110 Addr10 Rd/Wr
10S is the start bit, Rd/Wr the read/write bit, and if you count the number
11of bits, you will see the there are 8 after the S bit for 7 bit addresses,
12and 16 after the S bit for 10 bit addresses.
13 5
14WARNING! The current 10 bit address support is EXPERIMENTAL. There are 6I2C messages to and from 10-bit address devices have a different format.
15several places in the code that will cause SEVERE PROBLEMS with 10 bit 7See the I2C specification for the details.
16addresses, even though there is some basic handling and hooks. Also,
17almost no supported adapter handles the 10 bit addresses correctly.
18 8
19As soon as a real 10 bit address device is spotted 'in the wild', we 9The current 10 bit address support is minimal. It should work, however
20can and will add proper support. Right now, 10 bit address devices 10you can expect some problems along the way:
21are defined by the I2C protocol, but we have never seen a single device 11* Not all bus drivers support 10-bit addresses. Some don't because the
22which supports them. 12 hardware doesn't support them (SMBus doesn't require 10-bit address
13 support for example), some don't because nobody bothered adding the
14 code (or it's there but not working properly.) Software implementation
15 (i2c-algo-bit) is known to work.
16* Some optional features do not support 10-bit addresses. This is the
17 case of automatic detection and instantiation of devices by their,
18 drivers, for example.
19* Many user-space packages (for example i2c-tools) lack support for
20 10-bit addresses.
21
22Note that 10-bit address devices are still pretty rare, so the limitations
23listed above could stay for a long time, maybe even forever if nobody
24needs them to be fixed.
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index cb7f3148035d..f049a1ca186f 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -20,7 +20,7 @@ ip_no_pmtu_disc - BOOLEAN
20 default FALSE 20 default FALSE
21 21
22min_pmtu - INTEGER 22min_pmtu - INTEGER
23 default 562 - minimum discovered Path MTU 23 default 552 - minimum discovered Path MTU
24 24
25route/max_size - INTEGER 25route/max_size - INTEGER
26 Maximum number of routes allowed in the kernel. Increase 26 Maximum number of routes allowed in the kernel. Increase
diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt
index 079cb3df62cf..41c8378c0b2f 100644
--- a/Documentation/serial/serial-rs485.txt
+++ b/Documentation/serial/serial-rs485.txt
@@ -97,15 +97,23 @@
97 97
98 struct serial_rs485 rs485conf; 98 struct serial_rs485 rs485conf;
99 99
100 /* Set RS485 mode: */ 100 /* Enable RS485 mode: */
101 rs485conf.flags |= SER_RS485_ENABLED; 101 rs485conf.flags |= SER_RS485_ENABLED;
102 102
103 /* Set logical level for RTS pin equal to 1 when sending: */
104 rs485conf.flags |= SER_RS485_RTS_ON_SEND;
105 /* or, set logical level for RTS pin equal to 0 when sending: */
106 rs485conf.flags &= ~(SER_RS485_RTS_ON_SEND);
107
108 /* Set logical level for RTS pin equal to 1 after sending: */
109 rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
110 /* or, set logical level for RTS pin equal to 0 after sending: */
111 rs485conf.flags &= ~(SER_RS485_RTS_AFTER_SEND);
112
103 /* Set rts delay before send, if needed: */ 113 /* Set rts delay before send, if needed: */
104 rs485conf.flags |= SER_RS485_RTS_BEFORE_SEND;
105 rs485conf.delay_rts_before_send = ...; 114 rs485conf.delay_rts_before_send = ...;
106 115
107 /* Set rts delay after send, if needed: */ 116 /* Set rts delay after send, if needed: */
108 rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
109 rs485conf.delay_rts_after_send = ...; 117 rs485conf.delay_rts_after_send = ...;
110 118
111 /* Set this flag if you want to receive data even whilst sending data */ 119 /* Set this flag if you want to receive data even whilst sending data */
diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index 03e2771ddeef..91fee3b45fb8 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -579,7 +579,7 @@ Development Tree
579~~~~~~~~~~~~~~~~ 579~~~~~~~~~~~~~~~~
580The latest development codes for HD-audio are found on sound git tree: 580The latest development codes for HD-audio are found on sound git tree:
581 581
582- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git 582- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
583 583
584The master branch or for-next branches can be used as the main 584The master branch or for-next branches can be used as the main
585development branches in general while the HD-audio specific patches 585development branches in general while the HD-audio specific patches
@@ -594,7 +594,7 @@ is, installed via the usual spells: configure, make and make
594install(-modules). See INSTALL in the package. The snapshot tarballs 594install(-modules). See INSTALL in the package. The snapshot tarballs
595are found at: 595are found at:
596 596
597- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/ 597- ftp://ftp.suse.com/pub/people/tiwai/snapshot/
598 598
599 599
600Sending a Bug Report 600Sending a Bug Report
@@ -696,7 +696,7 @@ via hda-verb won't change the mixer value.
696 696
697The hda-verb program is found in the ftp directory: 697The hda-verb program is found in the ftp directory:
698 698
699- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/ 699- ftp://ftp.suse.com/pub/people/tiwai/misc/
700 700
701Also a git repository is available: 701Also a git repository is available:
702 702
@@ -764,7 +764,7 @@ operation, the jack plugging simulation, etc.
764 764
765The package is found in: 765The package is found in:
766 766
767- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/ 767- ftp://ftp.suse.com/pub/people/tiwai/misc/
768 768
769A git repository is available: 769A git repository is available:
770 770