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From: zhangfei.gao@linaro.org (zhangfei)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/6] ARM: dts: hix5hd2: add gmac node
Date: Wed, 27 Aug 2014 23:01:32 +0800	[thread overview]
Message-ID: <53FDF2CC.8080302@linaro.org> (raw)
In-Reply-To: <20140827145406.GA9737@leverpostej>



On 08/27/2014 10:54 PM, Mark Rutland wrote:
> On Wed, Aug 27, 2014 at 01:38:29PM +0100, Zhangfei Gao wrote:
>> Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
>> ---
>>   arch/arm/boot/dts/hisi-x5hd2-dkb.dts |   26 ++++++++++++++++++++++++++
>>   arch/arm/boot/dts/hisi-x5hd2.dtsi    |   16 ++++++++++++++++
>>   2 files changed, 42 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/hisi-x5hd2-dkb.dts b/arch/arm/boot/dts/hisi-x5hd2-dkb.dts
>> index 05b44c2..0344de0 100644
>> --- a/arch/arm/boot/dts/hisi-x5hd2-dkb.dts
>> +++ b/arch/arm/boot/dts/hisi-x5hd2-dkb.dts
>> @@ -51,3 +51,29 @@
>>   &uart0 {
>>   	status = "okay";
>>   };
>> +
>> +&gmac0 {
>> +	#address-cells = <1>;
>> +	#size-cells = <0>;
>> +	phy-handle = <&phy2>;
>> +	phy-mode = "mii";
>> +	mac-address = [00 00 00 00 00 00];
>
> If this is just so space is pre-allocated for the bootloader to patch
> this, please place a comment to that effect.
>
> Otherwise that doesn't look right.

Yes, it is placeholder, bootloader will overwrite field.

Also net driver will use random address if if not valid addr.
if (!is_valid_ether_addr(ndev->dev_addr))
	eth_hw_addr_random(ndev);	

Thanks

WARNING: multiple messages have this Message-ID (diff)
From: zhangfei <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: "haojian.zhuang-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org"
	<haojian.zhuang-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"haifeng.yan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org"
	<haifeng.yan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"jchxue-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
	<jchxue-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"xuwei5-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org"
	<xuwei5-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 1/6] ARM: dts: hix5hd2: add gmac node
Date: Wed, 27 Aug 2014 23:01:32 +0800	[thread overview]
Message-ID: <53FDF2CC.8080302@linaro.org> (raw)
In-Reply-To: <20140827145406.GA9737@leverpostej>



On 08/27/2014 10:54 PM, Mark Rutland wrote:
> On Wed, Aug 27, 2014 at 01:38:29PM +0100, Zhangfei Gao wrote:
>> Signed-off-by: Zhangfei Gao <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>> ---
>>   arch/arm/boot/dts/hisi-x5hd2-dkb.dts |   26 ++++++++++++++++++++++++++
>>   arch/arm/boot/dts/hisi-x5hd2.dtsi    |   16 ++++++++++++++++
>>   2 files changed, 42 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/hisi-x5hd2-dkb.dts b/arch/arm/boot/dts/hisi-x5hd2-dkb.dts
>> index 05b44c2..0344de0 100644
>> --- a/arch/arm/boot/dts/hisi-x5hd2-dkb.dts
>> +++ b/arch/arm/boot/dts/hisi-x5hd2-dkb.dts
>> @@ -51,3 +51,29 @@
>>   &uart0 {
>>   	status = "okay";
>>   };
>> +
>> +&gmac0 {
>> +	#address-cells = <1>;
>> +	#size-cells = <0>;
>> +	phy-handle = <&phy2>;
>> +	phy-mode = "mii";
>> +	mac-address = [00 00 00 00 00 00];
>
> If this is just so space is pre-allocated for the bootloader to patch
> this, please place a comment to that effect.
>
> Otherwise that doesn't look right.

Yes, it is placeholder, bootloader will overwrite field.

Also net driver will use random address if if not valid addr.
if (!is_valid_ether_addr(ndev->dev_addr))
	eth_hw_addr_random(ndev);	

Thanks
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  reply	other threads:[~2014-08-27 15:01 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-27 12:38 [PATCH 0/6] hix5hd2 add some nodes Zhangfei Gao
2014-08-27 12:38 ` Zhangfei Gao
2014-08-27 12:38 ` [PATCH 1/6] ARM: dts: hix5hd2: add gmac node Zhangfei Gao
2014-08-27 12:38   ` Zhangfei Gao
2014-08-27 14:54   ` Mark Rutland
2014-08-27 14:54     ` Mark Rutland
2014-08-27 15:01     ` zhangfei [this message]
2014-08-27 15:01       ` zhangfei
2014-08-27 15:04       ` Mark Rutland
2014-08-27 15:04         ` Mark Rutland
2014-08-27 15:08         ` zhangfei
2014-08-27 15:08           ` zhangfei
2014-08-27 12:38 ` [PATCH 2/6] ARM: dts: hix5hd2: add mmc node Zhangfei Gao
2014-08-27 12:38   ` Zhangfei Gao
2014-08-27 12:38 ` [PATCH 3/6] ARM: dts: hix5hd2: add usb node Zhangfei Gao
2014-08-27 12:38   ` Zhangfei Gao
2014-08-27 12:38 ` [PATCH 4/6] ARM: dts: hix5hd2: add sata node Zhangfei Gao
2014-08-27 12:38   ` Zhangfei Gao
2014-08-27 12:38 ` [PATCH 5/6] ARM: dts: hix5hd2: add gpio node Zhangfei Gao
2014-08-27 12:38   ` Zhangfei Gao
2014-08-27 12:38 ` [PATCH 6/6] ARM: dts: hix5hd2: add wdg node Zhangfei Gao
2014-08-27 12:38   ` Zhangfei Gao

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