[ELDK] Resource temporarily unavailable

Wolfgang Denk wd at denx.de
Mon Nov 8 23:56:10 CET 2010

Dear Luigi Rizzi,

In message <28EC12D487C391468508F50C4A67A23901B3F02184B7 at ermes.algorab.eu> you wrote:
> The original kernel of my TQM885D module with U-boot 1.3.0-rc2 and Linux 2.
> 4.25, has got the Ethernet support via MPC8xx Serial Communication Controll
> er SCC2.
> Unfortunately I need to use SSC2 as UART in my system. So I recompiled the
> kernel setting:
> -Enable Ehternet Support Via serial communication controller on SCC1
> -Enable SCC for UART
> -Use SCC2 for UART
> On the original carrier board (from TQ) everything works fine! I can send,
> receive data and drive RTS line properly...
> But, when I mount the module on my own carrier board, using this uart I fou
> nd:
> "Resource temporarily unavailable"
> And this time also the RTS line is not driven?
> Any hint?

Sorry, but you don't even mention what the differences between your
custom carrier board and the STK8xx board might be.  How could we even
guess then what might be wrong in yoru configuration?

Please also note that you are running very old versions of the
software. Any reason why you don't use for example U-Boot v2010.09 and
Linux 2.6.36 ?

Best regards,

Wolfgang Denk

DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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