diff options
| author | Li Jun <b47624@freescale.com> | 2014-06-25 15:28:45 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 10:57:02 -0600 |
| commit | d21617a6690f9c67237828fa0c99554117acf5ad (patch) | |
| tree | 3c31bd13d1857d799766ed078554edf1cc47b2b1 /Documentation | |
| parent | 0740e922ecea38ef20e6e2b76a4fd3b7db994e31 (diff) | |
MLK-11340-34 Documentation: usb: chipidea: Update test procedure for HNP polling support
Update HNP test procedure as HNP polling is supported.
Signed-off-by: Li Jun <b47624@freescale.com>
(cherry picked from commit 4aac546c4338246b1e55647796badedf6e80bfbe)
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/usb/chipidea.txt | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Documentation/usb/chipidea.txt b/Documentation/usb/chipidea.txt index 3f848c1f2940..95d91707d57c 100644 --- a/Documentation/usb/chipidea.txt +++ b/Documentation/usb/chipidea.txt @@ -26,14 +26,13 @@ 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: + On A-device: + echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/a_bus_req + + or, on B-device: echo 0 > /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req A-device should switch back to host and enumrate B-device. |