netdev - Re: [PATCH 1/4] net: hix5hd2_gmac: add tx scatter-gather feature

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Message-ID: <57B1664F.1090708@hisilicon.com>
Date:	Mon, 15 Aug 2016 14:50:55 +0800
From:	Dongpo Li <lidongpo@...ilicon.com>
To:	Rob Herring <robh@...nel.org>
CC:	<mark.rutland@....com>, <mturquette@...libre.com>,
	<sboyd@...eaurora.org>, <linux@...linux.org.uk>,
	<zhangfei.gao@...aro.org>, <yisen.zhuang@...wei.com>,
	<salil.mehta@...wei.com>, <davem@...emloft.net>, <arnd@...db.de>,
	<andrew@...n.ch>, <xuejiancheng@...ilicon.com>,
	<benjamin.chenhao@...ilicon.com>, <howell.yang@...ilicon.com>,
	<netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] net: hix5hd2_gmac: add tx scatter-gather feature

Hi Rob,
Many thanks for your review.

On 2016/8/13 2:43, Rob Herring wrote:
> On Thu, Aug 11, 2016 at 05:01:52PM +0800, Dongpo Li wrote:
>> From: Li Dongpo <lidongpo@...ilicon.com>
>>
>> The "hix5hd2" is SoC name, add the generic ethernet driver name.
>> The "hisi-gemac-v1" is the basic version and "hisi-gemac-v2" adds
>> the SG/TXCSUM/TSO/UFO features.
>> This patch only adds the SG(scatter-gather) driver for transmitting,
>> the drivers of other features will be submitted later.
> 
> The compatible string changes should probably be a separate patch.
> 
ok, I will split this patch into two patches, one for compatible string changes,
and one for driver feature implementation.

>> Signed-off-by: Dongpo Li <lidongpo@...ilicon.com>
>> ---
>>  .../bindings/net/hisilicon-hix5hd2-gmac.txt        |   9 +-
>>  drivers/net/ethernet/hisilicon/hix5hd2_gmac.c      | 213 +++++++++++++++++++--
>>  2 files changed, 205 insertions(+), 17 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt b/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt
>> index 75d398b..3c02fac 100644
>> --- a/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt
>> +++ b/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt
>> @@ -1,7 +1,12 @@
>>  Hisilicon hix5hd2 gmac controller
>>  
>>  Required properties:
>> -- compatible: should be "hisilicon,hix5hd2-gmac".
>> +- compatible: should contain one of the following version strings:
>> +	* "hisilicon,hisi-gemac-v1"
>> +	* "hisilicon,hisi-gemac-v2"
>> +	and one of the following SoC string:
>> +	* "hisilicon,hix5hd2-gemac"
>> +	* "hisilicon,hi3798cv200-gemac"
> 
> Make it clear what the order should be.
> 
ok, I will put the SoC strings in alphabetical order.

> 2 SOC versions so far and 2 generic versions. I'm not really convinced 
> that the generic string is needed.
> 
Actually, there are more SoC versions not listed here. We aim to support hi3798cv200
this time, but may support more SoCs in future.

>>  - reg: specifies base physical address(s) and size of the device registers.
>>    The first region is the MAC register base and size.
>>    The second region is external interface control register.
>> @@ -20,7 +25,7 @@ Required properties:
>>  
>>  Example:
>>  	gmac0: ethernet@...40000 {
>> -		compatible = "hisilicon,hix5hd2-gmac";
>> +		compatible = "hisilicon,hix5hd2-gemac", "hisilicon,hisi-gemac-v1";
>>  		reg = <0xf9840000 0x1000>,<0xf984300c 0x4>;
>>  		interrupts = <0 71 4>;
>>  		#address-cells = <1>;
> 
> .
> 


    Regards,
    Dongpo

.