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| /openbmc/linux/drivers/thunderbolt/ |
| H A D | tmu.c | 5fd6b9a5 Thu May 26 05:59:19 CDT 2022 Gil Fine <gil.fine@intel.com> thunderbolt: Change downstream router's TMU rate in both TMU uni/bidir mode
In case of uni-directional time sync, TMU handshake is
initiated by upstream router. In case of bi-directional
time sync, TMU handshake is initiated by downstream router.
In order to handle correctly the case of uni-directional mode,
we avoid changing the upstream router's rate to off,
because it might have another downstream router plugged that is set to
uni-directional mode (and we don't want to change its mode).
Instead, we always change downstream router's rate.
Signed-off-by: Gil Fine <gil.fine@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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