From: Li Jun <b47624@xxxxxxxxxxxxx>
Update HNP test procedure as HNP polling is supported.
Signed-off-by: Li Jun <jun.li@xxxxxxxxxxxxx>
---
Documentation/usb/chipidea.txt | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/Documentation/usb/chipidea.txt b/Documentation/usb/chipidea.txt
index 3f848c1..95d9170 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.
--
1.7.9.5
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