diff options
Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/stable/sysfs-driver-usb-usbtmc | 62 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb | 16 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg | 43 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-regulator | 55 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-profiling | 13 |
5 files changed, 168 insertions, 21 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-usb-usbtmc b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc new file mode 100644 index 000000000000..9a75fb22187d --- /dev/null +++ b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc | |||
@@ -0,0 +1,62 @@ | |||
1 | What: /sys/bus/usb/drivers/usbtmc/devices/*/interface_capabilities | ||
2 | What: /sys/bus/usb/drivers/usbtmc/devices/*/device_capabilities | ||
3 | Date: August 2008 | ||
4 | Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
5 | Description: | ||
6 | These files show the various USB TMC capabilities as described | ||
7 | by the device itself. The full description of the bitfields | ||
8 | can be found in the USB TMC documents from the USB-IF entitled | ||
9 | "Universal Serial Bus Test and Measurement Class Specification | ||
10 | (USBTMC) Revision 1.0" section 4.2.1.8. | ||
11 | |||
12 | The files are read only. | ||
13 | |||
14 | |||
15 | What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_interface_capabilities | ||
16 | What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_device_capabilities | ||
17 | Date: August 2008 | ||
18 | Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
19 | Description: | ||
20 | These files show the various USB TMC capabilities as described | ||
21 | by the device itself. The full description of the bitfields | ||
22 | can be found in the USB TMC documents from the USB-IF entitled | ||
23 | "Universal Serial Bus Test and Measurement Class, Subclass | ||
24 | USB488 Specification (USBTMC-USB488) Revision 1.0" section | ||
25 | 4.2.2. | ||
26 | |||
27 | The files are read only. | ||
28 | |||
29 | |||
30 | What: /sys/bus/usb/drivers/usbtmc/devices/*/TermChar | ||
31 | Date: August 2008 | ||
32 | Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
33 | Description: | ||
34 | This file is the TermChar value to be sent to the USB TMC | ||
35 | device as described by the document, "Universal Serial Bus Test | ||
36 | and Measurement Class Specification | ||
37 | (USBTMC) Revision 1.0" as published by the USB-IF. | ||
38 | |||
39 | Note that the TermCharEnabled file determines if this value is | ||
40 | sent to the device or not. | ||
41 | |||
42 | |||
43 | What: /sys/bus/usb/drivers/usbtmc/devices/*/TermCharEnabled | ||
44 | Date: August 2008 | ||
45 | Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
46 | Description: | ||
47 | This file determines if the TermChar is to be sent to the | ||
48 | device on every transaction or not. For more details about | ||
49 | this, please see the document, "Universal Serial Bus Test and | ||
50 | Measurement Class Specification (USBTMC) Revision 1.0" as | ||
51 | published by the USB-IF. | ||
52 | |||
53 | |||
54 | What: /sys/bus/usb/drivers/usbtmc/devices/*/auto_abort | ||
55 | Date: August 2008 | ||
56 | Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
57 | Description: | ||
58 | This file determines if the the transaction of the USB TMC | ||
59 | device is to be automatically aborted if there is any error. | ||
60 | For more details about this, please see the document, | ||
61 | "Universal Serial Bus Test and Measurement Class Specification | ||
62 | (USBTMC) Revision 1.0" as published by the USB-IF. | ||
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index 273a7f099f46..7772928ee48f 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb | |||
@@ -86,6 +86,22 @@ Users: | |||
86 | PowerTOP <power@bughost.org> | 86 | PowerTOP <power@bughost.org> |
87 | http://www.lesswatts.org/projects/powertop/ | 87 | http://www.lesswatts.org/projects/powertop/ |
88 | 88 | ||
89 | What: /sys/bus/usb/device/<busnum>-<devnum>...:<config num>-<interface num>/supports_autosuspend | ||
90 | Date: January 2008 | ||
91 | KernelVersion: 2.6.27 | ||
92 | Contact: Sarah Sharp <sarah.a.sharp@intel.com> | ||
93 | Description: | ||
94 | When read, this file returns 1 if the interface driver | ||
95 | for this interface supports autosuspend. It also | ||
96 | returns 1 if no driver has claimed this interface, as an | ||
97 | unclaimed interface will not stop the device from being | ||
98 | autosuspended if all other interface drivers are idle. | ||
99 | The file returns 0 if autosuspend support has not been | ||
100 | added to the driver. | ||
101 | Users: | ||
102 | USB PM tool | ||
103 | git://git.moblin.org/users/sarah/usb-pm-tool/ | ||
104 | |||
89 | What: /sys/bus/usb/device/.../authorized | 105 | What: /sys/bus/usb/device/.../authorized |
90 | Date: July 2008 | 106 | Date: July 2008 |
91 | KernelVersion: 2.6.26 | 107 | KernelVersion: 2.6.26 |
diff --git a/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg b/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg new file mode 100644 index 000000000000..cb830df8777c --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg | |||
@@ -0,0 +1,43 @@ | |||
1 | Where: /sys/bus/usb/.../powered | ||
2 | Date: August 2008 | ||
3 | Kernel Version: 2.6.26 | ||
4 | Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
5 | Description: Controls whether the device's display will powered. | ||
6 | A value of 0 is off and a non-zero value is on. | ||
7 | |||
8 | Where: /sys/bus/usb/.../mode_msb | ||
9 | Where: /sys/bus/usb/.../mode_lsb | ||
10 | Date: August 2008 | ||
11 | Kernel Version: 2.6.26 | ||
12 | Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
13 | Description: Controls the devices display mode. | ||
14 | For a 6 character display the values are | ||
15 | MSB 0x06; LSB 0x3F, and | ||
16 | for an 8 character display the values are | ||
17 | MSB 0x08; LSB 0xFF. | ||
18 | |||
19 | Where: /sys/bus/usb/.../textmode | ||
20 | Date: August 2008 | ||
21 | Kernel Version: 2.6.26 | ||
22 | Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
23 | Description: Controls the way the device interprets its text buffer. | ||
24 | raw: each character controls its segment manually | ||
25 | hex: each character is between 0-15 | ||
26 | ascii: each character is between '0'-'9' and 'A'-'F'. | ||
27 | |||
28 | Where: /sys/bus/usb/.../text | ||
29 | Date: August 2008 | ||
30 | Kernel Version: 2.6.26 | ||
31 | Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
32 | Description: The text (or data) for the device to display | ||
33 | |||
34 | Where: /sys/bus/usb/.../decimals | ||
35 | Date: August 2008 | ||
36 | Kernel Version: 2.6.26 | ||
37 | Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
38 | Description: Controls the decimal places on the device. | ||
39 | To set the nth decimal place, give this field | ||
40 | the value of 10 ** n. Assume this field has | ||
41 | the value k and has 1 or more decimal places set, | ||
42 | to set the mth place (where m is not already set), | ||
43 | change this fields value to k + 10 ** m. \ No newline at end of file | ||
diff --git a/Documentation/ABI/testing/sysfs-class-regulator b/Documentation/ABI/testing/sysfs-class-regulator index 79a4a75b2d2c..3731f6f29bcb 100644 --- a/Documentation/ABI/testing/sysfs-class-regulator +++ b/Documentation/ABI/testing/sysfs-class-regulator | |||
@@ -1,7 +1,7 @@ | |||
1 | What: /sys/class/regulator/.../state | 1 | What: /sys/class/regulator/.../state |
2 | Date: April 2008 | 2 | Date: April 2008 |
3 | KernelVersion: 2.6.26 | 3 | KernelVersion: 2.6.26 |
4 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 4 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
5 | Description: | 5 | Description: |
6 | Each regulator directory will contain a field called | 6 | Each regulator directory will contain a field called |
7 | state. This holds the regulator output state. | 7 | state. This holds the regulator output state. |
@@ -27,7 +27,7 @@ Description: | |||
27 | What: /sys/class/regulator/.../type | 27 | What: /sys/class/regulator/.../type |
28 | Date: April 2008 | 28 | Date: April 2008 |
29 | KernelVersion: 2.6.26 | 29 | KernelVersion: 2.6.26 |
30 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 30 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
31 | Description: | 31 | Description: |
32 | Each regulator directory will contain a field called | 32 | Each regulator directory will contain a field called |
33 | type. This holds the regulator type. | 33 | type. This holds the regulator type. |
@@ -51,7 +51,7 @@ Description: | |||
51 | What: /sys/class/regulator/.../microvolts | 51 | What: /sys/class/regulator/.../microvolts |
52 | Date: April 2008 | 52 | Date: April 2008 |
53 | KernelVersion: 2.6.26 | 53 | KernelVersion: 2.6.26 |
54 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 54 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
55 | Description: | 55 | Description: |
56 | Each regulator directory will contain a field called | 56 | Each regulator directory will contain a field called |
57 | microvolts. This holds the regulator output voltage setting | 57 | microvolts. This holds the regulator output voltage setting |
@@ -65,7 +65,7 @@ Description: | |||
65 | What: /sys/class/regulator/.../microamps | 65 | What: /sys/class/regulator/.../microamps |
66 | Date: April 2008 | 66 | Date: April 2008 |
67 | KernelVersion: 2.6.26 | 67 | KernelVersion: 2.6.26 |
68 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 68 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
69 | Description: | 69 | Description: |
70 | Each regulator directory will contain a field called | 70 | Each regulator directory will contain a field called |
71 | microamps. This holds the regulator output current limit | 71 | microamps. This holds the regulator output current limit |
@@ -79,7 +79,7 @@ Description: | |||
79 | What: /sys/class/regulator/.../opmode | 79 | What: /sys/class/regulator/.../opmode |
80 | Date: April 2008 | 80 | Date: April 2008 |
81 | KernelVersion: 2.6.26 | 81 | KernelVersion: 2.6.26 |
82 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 82 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
83 | Description: | 83 | Description: |
84 | Each regulator directory will contain a field called | 84 | Each regulator directory will contain a field called |
85 | opmode. This holds the regulator operating mode setting. | 85 | opmode. This holds the regulator operating mode setting. |
@@ -102,7 +102,7 @@ Description: | |||
102 | What: /sys/class/regulator/.../min_microvolts | 102 | What: /sys/class/regulator/.../min_microvolts |
103 | Date: April 2008 | 103 | Date: April 2008 |
104 | KernelVersion: 2.6.26 | 104 | KernelVersion: 2.6.26 |
105 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 105 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
106 | Description: | 106 | Description: |
107 | Each regulator directory will contain a field called | 107 | Each regulator directory will contain a field called |
108 | min_microvolts. This holds the minimum safe working regulator | 108 | min_microvolts. This holds the minimum safe working regulator |
@@ -116,7 +116,7 @@ Description: | |||
116 | What: /sys/class/regulator/.../max_microvolts | 116 | What: /sys/class/regulator/.../max_microvolts |
117 | Date: April 2008 | 117 | Date: April 2008 |
118 | KernelVersion: 2.6.26 | 118 | KernelVersion: 2.6.26 |
119 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 119 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
120 | Description: | 120 | Description: |
121 | Each regulator directory will contain a field called | 121 | Each regulator directory will contain a field called |
122 | max_microvolts. This holds the maximum safe working regulator | 122 | max_microvolts. This holds the maximum safe working regulator |
@@ -130,7 +130,7 @@ Description: | |||
130 | What: /sys/class/regulator/.../min_microamps | 130 | What: /sys/class/regulator/.../min_microamps |
131 | Date: April 2008 | 131 | Date: April 2008 |
132 | KernelVersion: 2.6.26 | 132 | KernelVersion: 2.6.26 |
133 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 133 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
134 | Description: | 134 | Description: |
135 | Each regulator directory will contain a field called | 135 | Each regulator directory will contain a field called |
136 | min_microamps. This holds the minimum safe working regulator | 136 | min_microamps. This holds the minimum safe working regulator |
@@ -145,7 +145,7 @@ Description: | |||
145 | What: /sys/class/regulator/.../max_microamps | 145 | What: /sys/class/regulator/.../max_microamps |
146 | Date: April 2008 | 146 | Date: April 2008 |
147 | KernelVersion: 2.6.26 | 147 | KernelVersion: 2.6.26 |
148 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 148 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
149 | Description: | 149 | Description: |
150 | Each regulator directory will contain a field called | 150 | Each regulator directory will contain a field called |
151 | max_microamps. This holds the maximum safe working regulator | 151 | max_microamps. This holds the maximum safe working regulator |
@@ -157,10 +157,23 @@ Description: | |||
157 | platform code. | 157 | platform code. |
158 | 158 | ||
159 | 159 | ||
160 | What: /sys/class/regulator/.../name | ||
161 | Date: October 2008 | ||
162 | KernelVersion: 2.6.28 | ||
163 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> | ||
164 | Description: | ||
165 | Each regulator directory will contain a field called | ||
166 | name. This holds a string identifying the regulator for | ||
167 | display purposes. | ||
168 | |||
169 | NOTE: this will be empty if no suitable name is provided | ||
170 | by platform or regulator drivers. | ||
171 | |||
172 | |||
160 | What: /sys/class/regulator/.../num_users | 173 | What: /sys/class/regulator/.../num_users |
161 | Date: April 2008 | 174 | Date: April 2008 |
162 | KernelVersion: 2.6.26 | 175 | KernelVersion: 2.6.26 |
163 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 176 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
164 | Description: | 177 | Description: |
165 | Each regulator directory will contain a field called | 178 | Each regulator directory will contain a field called |
166 | num_users. This holds the number of consumer devices that | 179 | num_users. This holds the number of consumer devices that |
@@ -170,7 +183,7 @@ Description: | |||
170 | What: /sys/class/regulator/.../requested_microamps | 183 | What: /sys/class/regulator/.../requested_microamps |
171 | Date: April 2008 | 184 | Date: April 2008 |
172 | KernelVersion: 2.6.26 | 185 | KernelVersion: 2.6.26 |
173 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 186 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
174 | Description: | 187 | Description: |
175 | Each regulator directory will contain a field called | 188 | Each regulator directory will contain a field called |
176 | requested_microamps. This holds the total requested load | 189 | requested_microamps. This holds the total requested load |
@@ -181,7 +194,7 @@ Description: | |||
181 | What: /sys/class/regulator/.../parent | 194 | What: /sys/class/regulator/.../parent |
182 | Date: April 2008 | 195 | Date: April 2008 |
183 | KernelVersion: 2.6.26 | 196 | KernelVersion: 2.6.26 |
184 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 197 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
185 | Description: | 198 | Description: |
186 | Some regulator directories will contain a link called parent. | 199 | Some regulator directories will contain a link called parent. |
187 | This points to the parent or supply regulator if one exists. | 200 | This points to the parent or supply regulator if one exists. |
@@ -189,7 +202,7 @@ Description: | |||
189 | What: /sys/class/regulator/.../suspend_mem_microvolts | 202 | What: /sys/class/regulator/.../suspend_mem_microvolts |
190 | Date: May 2008 | 203 | Date: May 2008 |
191 | KernelVersion: 2.6.26 | 204 | KernelVersion: 2.6.26 |
192 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 205 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
193 | Description: | 206 | Description: |
194 | Each regulator directory will contain a field called | 207 | Each regulator directory will contain a field called |
195 | suspend_mem_microvolts. This holds the regulator output | 208 | suspend_mem_microvolts. This holds the regulator output |
@@ -203,7 +216,7 @@ Description: | |||
203 | What: /sys/class/regulator/.../suspend_disk_microvolts | 216 | What: /sys/class/regulator/.../suspend_disk_microvolts |
204 | Date: May 2008 | 217 | Date: May 2008 |
205 | KernelVersion: 2.6.26 | 218 | KernelVersion: 2.6.26 |
206 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 219 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
207 | Description: | 220 | Description: |
208 | Each regulator directory will contain a field called | 221 | Each regulator directory will contain a field called |
209 | suspend_disk_microvolts. This holds the regulator output | 222 | suspend_disk_microvolts. This holds the regulator output |
@@ -217,7 +230,7 @@ Description: | |||
217 | What: /sys/class/regulator/.../suspend_standby_microvolts | 230 | What: /sys/class/regulator/.../suspend_standby_microvolts |
218 | Date: May 2008 | 231 | Date: May 2008 |
219 | KernelVersion: 2.6.26 | 232 | KernelVersion: 2.6.26 |
220 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 233 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
221 | Description: | 234 | Description: |
222 | Each regulator directory will contain a field called | 235 | Each regulator directory will contain a field called |
223 | suspend_standby_microvolts. This holds the regulator output | 236 | suspend_standby_microvolts. This holds the regulator output |
@@ -231,7 +244,7 @@ Description: | |||
231 | What: /sys/class/regulator/.../suspend_mem_mode | 244 | What: /sys/class/regulator/.../suspend_mem_mode |
232 | Date: May 2008 | 245 | Date: May 2008 |
233 | KernelVersion: 2.6.26 | 246 | KernelVersion: 2.6.26 |
234 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 247 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
235 | Description: | 248 | Description: |
236 | Each regulator directory will contain a field called | 249 | Each regulator directory will contain a field called |
237 | suspend_mem_mode. This holds the regulator operating mode | 250 | suspend_mem_mode. This holds the regulator operating mode |
@@ -245,7 +258,7 @@ Description: | |||
245 | What: /sys/class/regulator/.../suspend_disk_mode | 258 | What: /sys/class/regulator/.../suspend_disk_mode |
246 | Date: May 2008 | 259 | Date: May 2008 |
247 | KernelVersion: 2.6.26 | 260 | KernelVersion: 2.6.26 |
248 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 261 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
249 | Description: | 262 | Description: |
250 | Each regulator directory will contain a field called | 263 | Each regulator directory will contain a field called |
251 | suspend_disk_mode. This holds the regulator operating mode | 264 | suspend_disk_mode. This holds the regulator operating mode |
@@ -258,7 +271,7 @@ Description: | |||
258 | What: /sys/class/regulator/.../suspend_standby_mode | 271 | What: /sys/class/regulator/.../suspend_standby_mode |
259 | Date: May 2008 | 272 | Date: May 2008 |
260 | KernelVersion: 2.6.26 | 273 | KernelVersion: 2.6.26 |
261 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 274 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
262 | Description: | 275 | Description: |
263 | Each regulator directory will contain a field called | 276 | Each regulator directory will contain a field called |
264 | suspend_standby_mode. This holds the regulator operating mode | 277 | suspend_standby_mode. This holds the regulator operating mode |
@@ -272,7 +285,7 @@ Description: | |||
272 | What: /sys/class/regulator/.../suspend_mem_state | 285 | What: /sys/class/regulator/.../suspend_mem_state |
273 | Date: May 2008 | 286 | Date: May 2008 |
274 | KernelVersion: 2.6.26 | 287 | KernelVersion: 2.6.26 |
275 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 288 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
276 | Description: | 289 | Description: |
277 | Each regulator directory will contain a field called | 290 | Each regulator directory will contain a field called |
278 | suspend_mem_state. This holds the regulator operating state | 291 | suspend_mem_state. This holds the regulator operating state |
@@ -287,7 +300,7 @@ Description: | |||
287 | What: /sys/class/regulator/.../suspend_disk_state | 300 | What: /sys/class/regulator/.../suspend_disk_state |
288 | Date: May 2008 | 301 | Date: May 2008 |
289 | KernelVersion: 2.6.26 | 302 | KernelVersion: 2.6.26 |
290 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 303 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
291 | Description: | 304 | Description: |
292 | Each regulator directory will contain a field called | 305 | Each regulator directory will contain a field called |
293 | suspend_disk_state. This holds the regulator operating state | 306 | suspend_disk_state. This holds the regulator operating state |
@@ -302,7 +315,7 @@ Description: | |||
302 | What: /sys/class/regulator/.../suspend_standby_state | 315 | What: /sys/class/regulator/.../suspend_standby_state |
303 | Date: May 2008 | 316 | Date: May 2008 |
304 | KernelVersion: 2.6.26 | 317 | KernelVersion: 2.6.26 |
305 | Contact: Liam Girdwood <lg@opensource.wolfsonmicro.com> | 318 | Contact: Liam Girdwood <lrg@slimlogic.co.uk> |
306 | Description: | 319 | Description: |
307 | Each regulator directory will contain a field called | 320 | Each regulator directory will contain a field called |
308 | suspend_standby_state. This holds the regulator operating | 321 | suspend_standby_state. This holds the regulator operating |
diff --git a/Documentation/ABI/testing/sysfs-profiling b/Documentation/ABI/testing/sysfs-profiling new file mode 100644 index 000000000000..b02d8b8c173a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-profiling | |||
@@ -0,0 +1,13 @@ | |||
1 | What: /sys/kernel/profile | ||
2 | Date: September 2008 | ||
3 | Contact: Dave Hansen <dave@linux.vnet.ibm.com> | ||
4 | Description: | ||
5 | /sys/kernel/profile is the runtime equivalent | ||
6 | of the boot-time profile= option. | ||
7 | |||
8 | You can get the same effect running: | ||
9 | |||
10 | echo 2 > /sys/kernel/profile | ||
11 | |||
12 | as you would by issuing profile=2 on the boot | ||
13 | command line. | ||