linux-kernel - Re: stmmac-socfpga breakage in arm-soc

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Date:	Wed, 19 Mar 2014 15:05:57 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Dinh Nguyen <dinh.linux@...il.com>
Cc:	Dinh Nguyen <dinguyen@...era.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Hans de Goede <hdegoede@...hat.com>, arm@...nel.org,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: stmmac-socfpga breakage in arm-soc

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?

> > 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.

	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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