Re: stmmac-socfpga breakage in arm-soc

[Dinh Nguyen]

On 03/19/2014 09:05 AM, Arnd Bergmann wrote:
> On Wednesday 19 March 2014 08:33:28 Dinh Nguyen wrote:
> > On 03/19/2014 07:33 AM, Arnd Bergmann wrote:
> > > * Replaced the parent/child DT nodes with a combined node
> > > * Renamed the device node from 'ethernet0' to 'ethernet'
> > >     as the standard name.
> > > * Removed interrupt-names and clock-names properties that
> > >     are not documented in the binding and not used.
> > > * Added a new DWMAC_SOCFPGA Kconfig symbol to control
> > >     compilation of this driver
> >
> > The v1 of this patch had this had this Kconfig symbol and is
> > similar to your proposed fix.
> >
> > http://marc.info/?l=linux-netdev&m=139167062725242&w=2
>
> I don't understand. So you got parts of it right at first, but then
> changed it in a different way from what Peppe asked you to do?

Peppe asked me to remove DWMAC_SOCFPGA Koption and take the dwmac-sti.c
file as an example, which I did. The original patch for dwmac-sti.c had 
just a CONFIG_ARCH_STI Kconfig option and not CONFIG_DWMAC_STI.

http://marc.info/?l=linux-netdev&m=138426461307138&w=2

I'm sorry I did not follow the later versions of dwmac-sti.c.

> > > diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> > > index 8fb32a8..46aef510 100644
> > > --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> > > +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> > > @@ -38,6 +38,9 @@ static const struct of_device_id stmmac_dt_ids[] = {
> > >    	{ .compatible = "st,stih416-dwmac", .data = &sti_gmac_data},
> > >    	{ .compatible = "st,stid127-dwmac", .data = &sti_gmac_data},
> > >    #endif
> > > +#ifdef CONFIG_DWMAC_SOCFPGA
> > > +	{ .compatible = "altr,socfpga-stmmac", .data = &socfpga_gmac_data },
> > > +#endif
> > >    	/* SoC specific glue layers should come before generic bindings */
> > >    	{ .compatible = "st,spear600-gmac"},
> > >    	{ .compatible = "snps,dwmac-3.610"},
> >
> >
> > If it's okay with you Arnd, can I take this patch and add on top of it
> > as it is also breaking dtb builds:
> >
> > Error: arch/arm/boot/dts/socfpga_arria5_socdk.dts:51.2-3 label or path,
> > 'ethernet1', not found
> > FATAL ERROR: Syntax error parsing input tree
> > Error: arch/arm/boot/dts/socfpga_cyclone5_socdk.dts:44.2-3 label or
> > path, 'ethernet1', not found
> > FATAL ERROR: Syntax error parsing input tree
> > make[1]: *** [arch/arm/boot/dts/socfpga_arria5_socdk.dtb] Error 1
> > make[1]: *** Waiting for unfinished jobs....
> > make[1]: *** [arch/arm/boot/dts/socfpga_cyclone5_socdk.dtb] Error 1
> > Error: arch/arm/boot/dts/socfpga_cyclone5_sockit.dts:44.2-3 label or
> > path, 'ethernet1', not found
> > FATAL ERROR: Syntax error parsing input tree
> > make[1]: *** [arch/arm/boot/dts/socfpga_cyclone5_sockit.dtb] Error 1
> > Error: arch/arm/boot/dts/socfpga_vt.dts:92.2-3 label or path,
> > 'ethernet0', not found
>
> I have found the same problems and fixed it up locally already with
> the additional change below.

Thanks,
Dinh

> 	Arnd
>
>
> diff --git a/arch/arm/boot/dts/socfpga_arria5_socdk.dts b/arch/arm/boot/dts/socfpga_arria5_socdk.dts
> index 2d6b38b..a87ee1c 100644
> --- a/arch/arm/boot/dts/socfpga_arria5_socdk.dts
> +++ b/arch/arm/boot/dts/socfpga_arria5_socdk.dts
> @@ -46,11 +46,8 @@
>   	};
>   };
>
> -&ethernet1 {
> -	status = "okay";
> -};
> -
>   &gmac1 {
> +	status = "okay";
>   	phy-mode = "rgmii";
>
>   	rxd0-skew-ps = <0>;
> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> index 26c63a0..ae16d97 100644
> --- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> +++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> @@ -39,11 +39,8 @@
>   	};
>   };
>
> -&ethernet1 {
> -	status = "okay";
> -};
> -
>   &gmac1 {
> +	status = "okay";
>   	phy-mode = "rgmii";
>
>   	rxd0-skew-ps = <0>;
> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts
> index 469bb5c..b79e2a2 100644
> --- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts
> +++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts
> @@ -39,11 +39,8 @@
>   	};
>   };
>
> -&ethernet1 {
> -	status = "okay";
> -};
> -
>   &gmac1 {
> +	status = "okay";
>   	phy-mode = "rgmii";
>
>   	rxd0-skew-ps = <0>;
> diff --git a/arch/arm/boot/dts/socfpga_vt.dts b/arch/arm/boot/dts/socfpga_vt.dts
> index 91f6ccf..0f33f2f 100644
> --- a/arch/arm/boot/dts/socfpga_vt.dts
> +++ b/arch/arm/boot/dts/socfpga_vt.dts
> @@ -87,10 +87,7 @@
>   	};
>   };
>
> -&ethernet0 {
> -        status = "okay";
> -};
> -
>   &gmac0 {
> +        status = "okay";
>   	phy-mode = "gmii";
>   };
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