Re: [PATCH v5 4/4] mips: bmips: enable RAC on BMIPS4350

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On Tue, Jun 11, 2024 at 10:47:16AM +0200, Thomas Bogendoerfer wrote:
> On Sat, May 11, 2024 at 03:03:48PM +0200, Christian Marangi wrote:
> > From: Daniel González Cabanelas <dgcbueu@xxxxxxxxx>
> > 
> > The data RAC is left disabled by the bootloader in some SoCs, at least in
> > the core it boots from.
> > Enabling this feature increases the performance up to +30% depending on the
> > task.
> > 
> > Signed-off-by: Daniel González Cabanelas <dgcbueu@xxxxxxxxx>
> > Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
> > [ rework code and reduce code duplication ]
> > Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> > Acked-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> > ---
> >  arch/mips/kernel/smp-bmips.c | 17 +++++++++++++++++
> >  1 file changed, 17 insertions(+)
> > 
> > diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
> > index 20e2fb10022d..52324738cbb3 100644
> > --- a/arch/mips/kernel/smp-bmips.c
> > +++ b/arch/mips/kernel/smp-bmips.c
> > @@ -626,6 +626,23 @@ void bmips_cpu_setup(void)
> >  		__raw_readl(cbr + BMIPS_RAC_ADDRESS_RANGE);
> >  		break;
> >  
> > +	case CPU_BMIPS4350:
> > +		u32 rac_addr = BMIPS_RAC_CONFIG_1;
> 
> my gcc 10.2.1 doesn't like the declaration here:
> 
> /local/tbogendoerfer/korg/linux/arch/mips/kernel/smp-bmips.c:630:3: error: a label can only be part of a statement and a declaration is not a statement
>   630 |   u32 rac_addr = BMIPS_RAC_CONFIG_1;
>

Thanks I moved the declaration up before the switch.

-- 
	Ansuel




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