Re: [PATCH v7 2/5] mips: bmips: rework and cache CBR addr handling

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On Thu, Jun 20, 2024 at 04:40:42PM +0200, Thomas Bogendoerfer wrote:
> On Tue, Jun 11, 2024 at 01:35:34PM +0200, Christian Marangi wrote:
> > Rework the handling of the CBR address and cache it. This address
> > doesn't change and can be cached instead of reading the register every
> > time.
> > 
> > This is in preparation of permitting to tweak the CBR address in DT with
> > broken SoC or bootloader.
> > 
> > bmips_cbr_addr is defined in smp-bmips.c to keep compatibility with
> > legacy brcm47xx/brcm63xx and generic BMIPS target.
> > 
> > Acked-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> > Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> > ---
> >  arch/mips/bcm47xx/prom.c      | 3 +++
> >  arch/mips/bcm63xx/prom.c      | 3 +++
> >  arch/mips/bmips/dma.c         | 2 +-
> >  arch/mips/bmips/setup.c       | 4 +++-
> >  arch/mips/include/asm/bmips.h | 1 +
> >  arch/mips/kernel/smp-bmips.c  | 6 ++++--
> >  6 files changed, 15 insertions(+), 4 deletions(-)
> 
> still problems on a bcm47xx build:
> 
> mips64-linux-gnu-ld: arch/mips/bcm47xx/prom.o: in function `prom_init':
> /local/tbogendoerfer/korg/linux/arch/mips/bcm47xx/prom.c:(.init.text+0x3c): undefined reference to `bmips_cbr_addr'
> mips64-linux-gnu-ld: /local/tbogendoerfer/korg/linux/arch/mips/bcm47xx/prom.c:(.init.text+0x44): undefined reference to `bmips_cbr_addr'
>

I'm really sorry and it's embarassing (those legacy target are hard to
compile)

I pushed v8 that should handle the problem, tested bcm47xx and bmips.

-- 
	Ansuel




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