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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-18 16:52:20 +0200 |
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| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-18 16:52:20 +0200 |
| commit | ac9d947683c1b508f798f0c87c51cfb7b9f1eee5 (patch) | |
| tree | da5b359d2f932fa433a45bdba0b0d10c0cb2ce2c /Documentation/ABI | |
| parent | usb: musb: musb_cppi41: Workaround DMA stall issue during teardown (diff) | |
| parent | usb: chipidea: core: add sysfs group (diff) | |
| download | wireguard-linux-ac9d947683c1b508f798f0c87c51cfb7b9f1eee5.tar.xz wireguard-linux-ac9d947683c1b508f798f0c87c51cfb7b9f1eee5.zip | |
Merge tag 'usb-ci-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-next
Peter writes:
Two changes for this v4.12-rc1:
- Add sysfs entry for role switch
- Update gadget state after gadget back from suspend
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-chipidea-usb2 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-chipidea-usb2 b/Documentation/ABI/testing/sysfs-platform-chipidea-usb2 new file mode 100644 index 000000000000..b0f4684a83fe --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-chipidea-usb2 @@ -0,0 +1,9 @@ +What: /sys/bus/platform/devices/ci_hdrc.0/role +Date: Mar 2017 +Contact: Peter Chen <peter.chen@nxp.com> +Description: + It returns string "gadget" or "host" when read it, it indicates + current controller role. + + It will do role switch when write "gadget" or "host" to it. + Only controller at dual-role configuration supports writing. |