Re: [PATCH v6 4/6] ARM: vf610: enable NAND Flash Controller

[Shawn Guo]

On Wed, Jul 08, 2015 at 10:32:54AM -0400, Bill Pringlemeir wrote:
> 
> On  8 Jul 2015, shawnguo@xxxxxxxxxx wrote:
> > On Fri, Jun 19, 2015 at 12:58:37AM +0200, Stefan Agner wrote:
> >> Enable the NAND Flash Controller driver which is part of the Vybrid
> >> SoC by default.
> >>
> >> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
> >> ---
> >> arch/arm/mach-imx/Kconfig | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
> >> index 3a3d3e9..9358135 100644
> >> --- a/arch/arm/mach-imx/Kconfig
> >> +++ b/arch/arm/mach-imx/Kconfig
> >>>> -589,6 +589,7 @@ config SOC_VF610
> >> 	select PINCTRL_VF610
> >> 	select PL310_ERRATA_769419 if CACHE_L2X0
> >> 	select SMP_ON_UP if SMP
> >> +	select HAVE_NAND_VF610_NFC
> 
> > I'm not sure about the benefit of having this option, except we have
> > to have this additional architecture patch.
> 
> For other SOC, like the PowerPC or ColdFire CPUs with this controller,
> it was a way to mark the controller as populated.  Otherwise, the
> Kconfig entry to select the controller will pop up for everybody.

IMHO, having the option pop up for everybody isn't really a problem.  On
the other hand, we can even compile test the driver on any architecture
without the COMPILE_TEST dependency.

But if MTD maintainer has a different opinion, we can still have a
'depends on SOC_VF610' to save this patch.

Shawn
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