Re: [PATCH 2/4] net: stmmac: Add Toshiba Visconti SoCs glue driver

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On Mon, Feb 15, 2021 at 04:28:09PM +0900, Nobuhiro Iwamatsu wrote:
> Hi,
>
> Thanks for your review.
>
> On Mon, Feb 15, 2021 at 08:07:21AM +0200, Leon Romanovsky wrote:
> > On Mon, Feb 15, 2021 at 02:06:53PM +0900, Nobuhiro Iwamatsu wrote:
> > > Add dwmac-visconti to the stmmac driver in Toshiba Visconti ARM SoCs.
> > > This patch contains only the basic function of the device. There is no
> > > clock control, PM, etc. yet. These will be added in the future.
> > >
> > > Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@xxxxxxxxxxxxx>
> > > ---
> > >  drivers/net/ethernet/stmicro/stmmac/Kconfig   |   8 +
> > >  drivers/net/ethernet/stmicro/stmmac/Makefile  |   1 +
> > >  .../ethernet/stmicro/stmmac/dwmac-visconti.c  | 285 ++++++++++++++++++
> > >  3 files changed, 294 insertions(+)
> > >  create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
> > >
> > > diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
> > > index 53f14c5a9e02..55ba67a550b9 100644
> > > --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
> > > +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
> > > @@ -219,6 +219,14 @@ config DWMAC_INTEL_PLAT
> > >  	  This selects the Intel platform specific glue layer support for
> > >  	  the stmmac device driver. This driver is used for the Intel Keem Bay
> > >  	  SoC.
> > > +
> > > +config DWMAC_VISCONTI
> > > +	bool "Toshiba Visconti DWMAC support"
> > > +	def_bool y
> >
>
> Sorry, I sent the wrong patchset that didn't fix this point out.
>
> > I asked it before, but never received an answer.
>
> I have received your point out and have sent an email with the content
> to remove this line. But it may not have arrived yet...
>
> > Why did you use "def_bool y" and not "default y"? Isn't it supposed to be
> > "depends on STMMAC_ETH"? And probably it shouldn't be set as a default as "y".
> >
>
> The reason why "def_bool y" was set is that the wrong fix was left when
> debugging. Also, I don't think it is necessary to set "default y".
> This is also incorrect because it says "bool" Toshiba Visconti DWMAC
> support "". I change it to trustate in the new patch.
>
> And this driver is enabled when STMMAC_PLATFORM was Y. And STMMAC_PLATFORM
> depends on STMMAC_ETH.
> So I understand that STMMAC_ETH does not need to be dependents. Is this
> understanding wrong?

This is correct understanding, just need to clean other entries in that
Kconfig that depends on STMMAC_ETH.

Thanks

>
> > Thanks
> >
>
> Best regards,
>   Nobuhiro



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