[PATCH] Revert "ARM: pxa: call debug_ll_io_init for earlyprintk"

Robert Jarzmik robert.jarzmik at free.fr
Mon Oct 6 11:59:28 PDT 2014


Dmitry Eremin-Solenikov <dbaryshkov at gmail.com> writes:

> This reverts commit 2111667b4677 ("ARM: pxa: call debug_ll_io_init for
> earlyprintk")
>
> This commit gives the following backtrace on PXA/tosa early in the boot
> time when DEBUG_LL is enabled. It is due to overlap between uart memory
> and PERIPH_ memory block mapped by pxa_map_io.

Indeed, all available UARTs IO mappings are already covered by pxa_map_io(), so
the revert will remove the bug and keep the DEBUG_LL functionality. I suppose
you did the test with the revert and the lowlevel debugging works, right ?

Haojian, if you are still taking patches for v3.18-rcs, please have my :
Reviewed-by: Robert Jarzmik <robert.jarzmik at free.fr>

If you want me to begin the gathering, tell me.

Cheers.

--
Robert



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