#321: ftdi_eeprom often fails silently
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Reporter: [EMAIL PROTECTED] | Owner: openmoko-kernel
Type: defect | Status: closed
Priority: high | Milestone:
Component: default component | Version: Version 2
Severity: critical | Resolution: fixed
Keywords: | Haspatch: 0
Blockedby: | Estimated:
Patchreview: | Blocking:
Reproducible: |
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Changes (by werner):
* status: assigned => closed
* resolution: => fixed
Comment:
Oh, this was a hardware problem: the capacitative load on upstream VBUS
was way too large, causing VBUS to collapse under the inrush current
just at the moment when the FTDI chip tried to read from the EEPROM.
Fixed with debug board v3.
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Ticket URL: <https://docs.openmoko.org/trac/ticket/321#comment:11>
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