[U-Boot] [PATCH v2 06/20] riscv: ax25: Hide the ax25-specific Kconfig option

[Rick Chen]

Bin Meng <bmeng.cn at gmail.com> 於 2018年12月12日 週三 下午5:37寫道：
>
> Hi Rick,
>
> On Wed, Dec 12, 2018 at 5:02 PM Rick Chen <rickchen36 at gmail.com> wrote:
> >
> > Hi Bin
> >
> > Bin Meng <bmeng.cn at gmail.com> 於 2018年12月11日 週二 下午3:17寫道：
> > >
> > > Hi Rick,
> > >
> > > On Tue, Dec 11, 2018 at 3:06 PM Rick Chen <rickchen36 at gmail.com> wrote:
> > > >
> > > > > > Subject: [PATCH v2 06/20] riscv: ax25: Hide the ax25-specific Kconfig option
> > > > > >
> > > > > > There is no need to expose RISCV_NDS to the Kconfig menu as it is an
> > > > > > ax25-specific option.
> > > > > >
> > > >
> > > > Hi Bin
> > > >
> > > > Can you explain why there is no need to expose RISCV_NDS here ?
> > > >
> > >
> > > This is specific to AX25, and there is no need to appear in the
> > > Kconfig menu when people are building U-Boot for some other RISC-V
> > > platforms. Also even if you select Y in the Kconfig menu for this
> > > option for platforms other than AX25, it just does not help since all
> > > its logic is within arch/riscv/cpu/ax25.
> > >
> >
> > AX25 can not select RISCV_NDS by default, it may cause build fail problem.
> > I still prefer to enable it by make menuconfig.
> > Can you drop this patch ?
> >
>
> I prefer not to drop this patch since it's not supposed to be exposed
> to other platforms.
>
> Do you mean the build fail problem is custom CSR numbers like
> mcache_ctl? Can we use hardcoded CSR number instead?
>

Thanks for your suggestion about hardcoded CSR number.

But actually I hope the mcache_ctl will be disabled by default in this stage.
Because some drivers of ae350 (like spi, smc flash driver, mac driver)
still have some access problems when cache is enable.
I am fixing it now.
But mmc driver is ready when cache is enable.
That is why I prefer enable cache by make menuconfig.
It will be easy to switch cache enable or disable by make menuconfig
without modifying Kconfig.

How do you think about it ?

B.R
Rick


> Regards,
> Bin