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authorBadhri Jagan Sridharan <badhri@google.com>2020-12-02 06:17:33 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-12-09 16:42:10 +0300
commite4a9378083c57a22624cda8b780ff5f5da4de7ef (patch)
tree79f5e2424b0eab1d4f00e5a43670a45f5497a973 /tools/perf/scripts/python/export-to-postgresql.py
parent3a288efb08543b1368f8d49342e5943f1adf58ea (diff)
downloadlinux-e4a9378083c57a22624cda8b780ff5f5da4de7ef.tar.xz
usb: typec: tcpm: Pass down negotiated rev to update retry count
nRetryCount was updated from 3 to 2 between PD2.0 and PD3.0 spec. nRetryCount in "Table 6-34 Counter parameters" of the PD 2.0 spec is set to 3, whereas, nRetryCount in "Table 6-59 Counter parameters" is set to 2. Pass down negotiated rev in pd_transmit so that low level chip drivers can update the retry count accordingly before attempting packet transmission. This helps in passing "TEST.PD.PORT.ALL.02" of the "Power Delivery Merged" test suite which was initially failing with "The UUT did not retransmit the message nReryCount times" In fusb302 & tcpci drivers, by default the driver sets the retry count to 3 (Default for PD 2.0). Update this to 2, if the negotiated rev is PD 3.0. In wcove, since the retry count is intentionally set to max, leaving it as is. Reviewed-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Badhri Jagan Sridharan <badhri@google.com> Link: https://lore.kernel.org/r/20201202031733.647808-1-badhri@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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