[PATCH 4/4] introduce-gta02-beachhead.patch

Andy Green andy at openmoko.com
Fri Feb 20 14:56:31 CET 2009

Hash: SHA1

Somebody in the thread at some point said:
|> What does "build system fixes" mean, Kconfig stuff?  Don't forget we are
|> only talking about those four patches total, everything else we know and
|> love is not going anywhere yet.
| Yeah it means Kconfig, Makefile and dependencies between config options.

OK.  I know you were interested in these relationships and it's one
reason why I sent this as RFC here first.  So it will wait for you.

|> I threw out everything that was commented as v1 or v2 only.  There are
|> apparently some people still using v3 and v4, but we only ever
shipped v5+.
| I ment e.g.:
| +#define GTA02v1_GPIO_WLAN_GPIO10       S3C2440_GPJ2

Well, OK :-)  It wasn't commented as v1 only.  I'll scrub it a bit more.

|> [data flow on USB explanation]
| Hmmm so did i get it correct:
| The first function is called when USB is connected physically, which
| means we can draw 100mA or 1000mA depending on the "charger". Then
| when the host actually enumerates the USB device the second function
| is called and we are allowed to pull 500mA. When removing USB the
| first function is called again and stops charging. Is this correct?

Yep.  Running the workqueue gets it to "reassess" charging limit on a
hint that something changed.

- -Andy
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