Occasional fail to initiate resume by incoming call, easy workaround proposed
andy at openmoko.com
Mon Feb 9 19:22:50 CET 2009
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Somebody in the thread at some point said:
| Dieter, could you look into that?
| To whom it may concern: It also seems it turned out the kernel UART
| written by TI doesn't correctly handle STX/ETX resp. RTS/CTS handshake
| by-character granularity. A nice cause for buffer overruns, if that's a
| correct observation.
Who actually read the code and determined that, and what is the story
about how it handles RTS and CTS?
| A third thing: in kernel we should mask/disable the calypso IRQ during
| powerdown time, as it certainly isn't expected to see IRQs from a
| modem, and state of this line during power-down isn't very well defined -
| might be floating. This could cause bogus resumes.
Sounds fair enough.
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