netdev - Re: [PATCH 07/10] ravb: Add tsrq to struct ravb_hw

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Date:   Mon, 4 Oct 2021 21:37:04 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...il.com>
To:     Sergey Shtylyov <s.shtylyov@....ru>,
        Biju Das <biju.das.jz@...renesas.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Sergey Shtylyov <s.shtylyov@...russia.ru>,
        Adam Ford <aford173@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Yuusuke Ashizuka <ashiduka@...itsu.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 07/10] ravb: Add tsrq to struct ravb_hw_info

On 10/4/21 9:00 PM, Sergey Shtylyov wrote:

[...]
>    The TCCR bits are called transmit start request (queue 0/1), not transmit start request queue 0/1.
> I think you've read too much value into them for what is just TX queue 0/1.
> 
>> Add a tsrq variable to struct ravb_hw_info to handle this
>> difference.
>>
>> Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
>> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>> ---
>> RFC->v1:
>>  * Added tsrq variable instead of multi_tsrq feature bit.
>> ---
>>  drivers/net/ethernet/renesas/ravb.h      | 1 +
>>  drivers/net/ethernet/renesas/ravb_main.c | 9 +++++++--
>>  2 files changed, 8 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
>> index 9cd3a15743b4..c586070193ef 100644
>> --- a/drivers/net/ethernet/renesas/ravb.h
>> +++ b/drivers/net/ethernet/renesas/ravb.h
>> @@ -997,6 +997,7 @@ struct ravb_hw_info {
>>  	netdev_features_t net_features;
>>  	int stats_len;
>>  	size_t max_rx_len;
>> +	u32 tsrq;
> 
>    I'd call it 'tccr_value' instead.

    Or even better, 'tccr_mask'...

[...]

MBR, Sergey