Re: ttyO2 broken on IGEPv2 on 3.3, 3.4-rc5 or arm-soc/for-next, working on 3.2

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* Kevin Hilman <khilman@xxxxxx> [120504 09:31]:
> Hi Thomas,
> 
> Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> writes:
> 
> > I have an IGEPv2 revision 6 board, which uses the DM3730 OMAP3. With
> > 3.2 omap2plus_defconfig, the system boots fine and have a working shell
> > on ttyO2. On either 3.3, 3.4-rc5 or arm-soc/for-next from Arnd, the
> > system boots all the way up to showing the shell prompt, but I can't
> > type any character, as if UART RX was broken.
> 
> On v3.4-rc, can you see if reverting bce492c04ba8fc66a4ea0a52b181ba255daaaf54
> has any effect?
> 
> That patch had some unfortunate side effects, but I haven't seen the
> problem you see, so I'm not sure if it's related.

Reverting bce492c04ba8fc66a4ea0a52b181ba255daaaf54 is a broken solution
like you mentioned. But if it helps, then the proper fix is to add muxing
to board-*.c files for the uart pins and use omap_serial_init_port
for each uart instead of omap_serial_init. That should fix the wake-up
issues too.

Regards,

Tony
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