Pull request to address TPM SPI devices
Bug #2048815 reported by
Brad Figg
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-nvidia-6.5 (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
TPM devices may insert wait state on last clock cycle of ADDR phase.
For SPI controllers that support full-duplex transfers, this can be
detected using software by reading the MISO line. For SPI controllers
that only support half-duplex transfers, such as the Tegra QSPI, it is
not possible to detect the wait signal from software.
Changed in linux-nvidia-6.5 (Ubuntu): | |
status: | New → Fix Committed |
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This bug is awaiting verification that the linux-nvidia- 6.5/6.5. 0-1010. 10 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- jammy-linux- nvidia- 6.5' to 'verification- done-jammy- linux-nvidia- 6.5'. If the problem still exists, change the tag 'verification- needed- jammy-linux- nvidia- 6.5' to 'verification- failed- jammy-linux- nvidia- 6.5'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!