diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-04-11 19:21:06 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-04-11 19:25:13 +0200 |
| commit | 39702853197b191bda32315260255053aa3e57f7 (patch) | |
| tree | 00185427bd7c5e6a335c9ea99ed7ee65b9ceaa9c /Documentation/usb/chipidea.txt | |
| parent | fb8621d3bee88badeb25dccce0fb59ad145dba9e (diff) | |
| parent | bf16200689118d19de1b8d2a3c314fc21f5dc7bb (diff) | |
| download | linux-39702853197b191bda32315260255053aa3e57f7.tar.gz | |
Merge tag 'v4.6-rc3' into drm-intel-next-queued
Linux 4.6-rc3
Backmerge requested by Chris Wilson to make his patches apply cleanly.
Tiny conflict in vmalloc.c with the (properly acked and all) patch in
drm-intel-next:
commit 4da56b99d99e5a7df2b7f11e87bfea935f909732
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon Apr 4 14:46:42 2016 +0100
mm/vmap: Add a notifier for when we run out of vmap address space
and Linus' tree.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'Documentation/usb/chipidea.txt')
| -rw-r--r-- | Documentation/usb/chipidea.txt | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/usb/chipidea.txt b/Documentation/usb/chipidea.txt index 05f735a1b5a5..678741b0f213 100644 --- a/Documentation/usb/chipidea.txt +++ b/Documentation/usb/chipidea.txt @@ -26,16 +26,17 @@ cat /sys/kernel/debug/ci_hdrc.0/registers On B-device: echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req - if HNP polling is not supported, also need: - On A-device: - echo 0 > /sys/bus/platform/devices/ci_hdrc.0/inputs/a_bus_req - B-device should take host role and enumrate A-device. 4) A-device switch back to host. On B-device: echo 0 > /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req + or, by introducing HNP polling, B-Host can know when A-peripheral wish + to be host role, so this role switch also can be trigged in A-peripheral + side by answering the polling from B-Host, this can be done on A-device: + echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/a_bus_req + A-device should switch back to host and enumrate B-device. 5) Remove B-device(unplug micro B plug) and insert again in 10 seconds, |