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Message-ID: <5329AAE1.7030705@gmail.com>
Date: Wed, 19 Mar 2014 09:34:09 -0500
From: Dinh Nguyen <dinh.linux@...il.com>
To: Arnd Bergmann <arnd@...db.de>
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
Hi Arnd,
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?
>
>>> 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 @@
> };
> };
>
> -ðernet1 {
> - 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 @@
> };
> };
>
> -ðernet1 {
> - 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 @@
> };
> };
>
> -ðernet1 {
> - 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 @@
> };
> };
>
> -ðernet0 {
> - status = "okay";
> -};
> -
> &gmac0 {
> + status = "okay";
> phy-mode = "gmii";
> };
>
I found that you also need this:
diff --git a/arch/arm/boot/dts/socfpga.dtsi
b/arch/arm/boot/dts/socfpga.dtsi
index 5f1e256..953801c 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -456,8 +456,10 @@
altr,sysmgr-syscon = <&sysmgr 0x60>;
reg = <0xff700000 0x2000>;
interrupts = <0 115 4>;
+ interrupt-names = "macirq";
mac-address = [00 00 00 00 00 00];/* Filled in
by U-Boot */
clocks = <&emac0_clk>;
+ clock-names = "stmmaceth";
};
gmac1: ethernet@...02000 {
@@ -466,8 +468,10 @@
altr,sysmgr-syscon = <&sysmgr 0x60>;
reg = <0xff702000 0x2000>;
interrupts = <0 120 4>;
+ interrupt-names = "macirq";
mac-address = [00 00 00 00 00 00];/* Filled in
by U-Boot */
clocks = <&emac1_clk>;
+ clock-names = "stmmaceth";
};
L2: l2-cache@...ef000 {
--
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