linux-kernel - Re: [RESEND, PATCH v13 09/12] soc: mediatek: cmdq: define the instruction struct

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Date:   Tue, 27 Aug 2019 12:04:03 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Bibby Hsieh <bibby.hsieh@...iatek.com>
Cc:     Jassi Brar <jassisinghbrar@...il.com>,
        Rob Herring <robh+dt@...nel.org>, CK HU <ck.hu@...iatek.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        Sascha Hauer <kernel@...gutronix.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Nicolas Boichat <drinkcat@...omium.org>,
        YT Shen <yt.shen@...iatek.com>,
        Daoyuan Huang <daoyuan.huang@...iatek.com>,
        Jiaguang Zhang <jiaguang.zhang@...iatek.com>,
        Dennis-YC Hsieh <dennis-yc.hsieh@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>, ginny.chen@...iatek.com
Subject: Re: [RESEND, PATCH v13 09/12] soc: mediatek: cmdq: define the
 instruction struct



On 27/08/2019 06:12, Bibby Hsieh wrote:

>>>  
>>>  int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event)
>>>  {
>>> -	u32 arg_b;
>>> +	struct cmdq_instruction *inst;
>>>  
>>>  	if (event >= CMDQ_MAX_EVENT)
>>>  		return -EINVAL;
>>>  
>>> -	/*
>>> -	 * WFE arg_b
>>> -	 * bit 0-11: wait value
>>> -	 * bit 15: 1 - wait, 0 - no wait
>>> -	 * bit 16-27: update value
>>> -	 * bit 31: 1 - update, 0 - no update
>>> -	 */
>>
>> I have no strong opinion of CMDQ_WFE_OPTION but if you want to introduce it,
>> then please copy the comment over to include/linux/mailbox/mtk-cmdq-mailbox.h
> 
> Ok. let's move the descriptions to header.
>>
>> Just one question, why did you call it _OPTION? It's not really expressive for me.
> 
> Actually, _OPTION is come from our hardware design name...
> 

Ok, then I'll stop bike-shedding. I leave it up to you to rename it or not.

Regards,
Matthias