staging: typec: tcpm: Drop duplicate PD messages

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Per USB PD standard, we have to drop duplicate PD messages.
We can not expect lower protocol layers to drop such messages,
since lower layers don't know if a message was dropped somewhere
else in the stack.

Originally-from: Puma Hsu <puma_hsu@htc.com>
Cc: Yueyao Zhu <yueyao.zhu@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Guenter Roeck 2017-05-09 09:04:56 -07:00 • committed by Greg Kroah-Hartman

parent aac53ee455

commit 5fec4b54d0

2 changed files with 39 additions and 0 deletions

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10

drivers/staging/typec/pd.h

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29

drivers/staging/typec/tcpm.c

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