[PATCH v6 4/5] ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs

Tony Lindgren tony at atomide.com
Wed Dec 5 13:33:16 EST 2012


* Jon Hunter <jon-hunter at ti.com> [121205 10:22]:
> 
> On 12/05/2012 11:41 AM, Tony Lindgren wrote:
> > * Daniel Mack <zonque at gmail.com> [121205 09:29]:
> >> On 05.12.2012 18:19, Tony Lindgren wrote:
> >>>
> >>> The plat/cpu.h file will disappear after the merge window, which means
> >>> omap2+ related drivers cannot use cpu_is_omap macros.
> >>>
> >>> For legacy booting systems, this flag should be just passed in the
> >>> platform_data from the platform init code. Then device tree can
> >>> deal with it based on the compatible flag.
> >>>
> >>
> >> Ok, thanks for explaining.
> >>
> >> Does that mean this patch series should be postponed until after the
> >> merge window and then build upon that change or should we merge the
> >> patch in question here as is and then care for the cleanups after the
> >> window?
> > 
> > Well to me it seems that you only have cpu_is_omap usage in
> > arch/arm/mach-omap2/gpmc-nand.c, which will be OK. Only the code
> > under drivers/* needs to be fixed for that. So your patches may
> > be OK, but..
> 
> The real problem here is that drivers/mtd/nand/omap2.c is including
> plat/gpmc.h and calling a function in arch/arm/mach-omap/gpmc-nand.c. So
> although Daniel's patches are not introducing any new problems for
> single zImage, they do highlight a problem that we have with the omap2
> nand driver that needs to be addressed for single zImage.
>
> So either we fix this now or after merging Daniel's changes. Either is
> fine with me.

Ah I see. Yes it would be good to fix that issue first to avoid
adding any new blockers for multiplatform build.

Regards,

Tony



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