serial: imx: simplify some conditions related to dma
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-class-devfreq-event
blobceaf0f686d4ac3d473fa4adc3835af6888d860a2
1 What:           /sys/class/devfreq-event/event(x)/
2 Date:           January 2017
3 Contact:        Chanwoo Choi <cw00.choi@samsung.com>
4 Description:
5                 Provide a place in sysfs for the devfreq-event objects.
6                 This allows accessing various devfreq-event specific variables.
7                 The name of devfreq-event object denoted as 'event(x)' which
8                 includes the unique number of 'x' for each devfreq-event object.
10 What:           /sys/class/devfreq-event/event(x)/name
11 Date:           January 2017
12 Contact:        Chanwoo Choi <cw00.choi@samsung.com>
13 Description:
14                 The /sys/class/devfreq-event/event(x)/name attribute contains
15                 the name of the devfreq-event object. This attribute is
16                 read-only.
18 What:           /sys/class/devfreq-event/event(x)/enable_count
19 Date:           January 2017
20 Contact:        Chanwoo Choi <cw00.choi@samsung.com>
21 Description:
22                 The /sys/class/devfreq-event/event(x)/enable_count attribute
23                 contains the reference count to enable the devfreq-event
24                 object. If the device is enabled, the value of attribute is
25                 greater than zero.