[PATCH v4 0/2] ARM: shmobile: Add early debugging support using SCIF(A)

Arnd Bergmann arnd at arndb.de
Fri Nov 14 08:23:41 PST 2014

On Friday 14 November 2014 16:49:45 Geert Uytterhoeven wrote:
>         Hi Simon, Magnus, Arnd,
> This patch series adds serial port debug macros for the SCIF(A) serial ports.
> This includes all supported shmobile SoCs, except for EMEV2.
> It contains 2 patches, which are two alternative versions:
>   - The first patch keeps on using the identity mapping set up by .map_io()
>     on platforms I cannot test myself (sh7372 and r8a7779),
>   - The second one converts the remaining platforms to use debug_ll_io_init(),
>     which allowed to get rid of the #ifdef in renesas-scif.S, and consolidate
>     more config options.
> Both versions work fine on r8a7791/koelsch (multiplatform), r8a7740/armadillo
> (legacy and reference), and sh73a0/kzm9g (legacy, reference, and
> multiplatform), also with a multiplatform kernel based on shmobile_defconfig.
> I'd appreciate if you could test the second one on sh7372 and r8a7779,
> and if it works, apply it.
> Else, please apply the first version. We can do incremental conversions later,
> as discussed before.

Both versions look good to me,

Acked-by: Arnd Bergmann <arnd at arndb.de>

I do notice that strictly speaking you break alphabetical ordering by putting
DEBUG_R8A* and DEBUG_RCAR* after DEBUG_RK*, but it does seem way more reasonable
like this.


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