netdev - Re: [PATCH v9 3/3] net: ax88796c: ASIX AX88796C SPI Ethernet Adapter Driver

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Message-ID: <dleftjk0tg6vmp.fsf%l.stelmach@samsung.com>
Date:   Thu, 17 Dec 2020 21:11:10 +0100
From:   Lukasz Stelmach <l.stelmach@...sung.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Andrew Lunn <andrew@...n.ch>, jim.cromie@...il.com,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org,
        Bartłomiej Żolnierkiewicz 
        <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v9 3/3] net: ax88796c: ASIX AX88796C SPI Ethernet
 Adapter Driver

It was <2020-12-17 czw 11:08>, when Jakub Kicinski wrote:
> On Thu, 17 Dec 2020 12:53:30 +0100 Łukasz Stelmach wrote:
>> ASIX AX88796[1] is a versatile ethernet adapter chip, that can be
>> connected to a CPU with a 8/16-bit bus or with an SPI. This driver
>> supports SPI connection.
>> 
>> The driver has been ported from the vendor kernel for ARTIK5[2]
>> boards. Several changes were made to adapt it to the current kernel
>> which include:
>> 
>> + updated DT configuration,
>> + clock configuration moved to DT,
>> + new timer, ethtool and gpio APIs,
>> + dev_* instead of pr_* and custom printk() wrappers,
>> + removed awkward vendor power managemtn.
>> + introduced ethtool tunable to control SPI compression
>> 

[...]

>> 
>> The other ax88796 driver is for NE2000 compatible AX88796L chip. These
>> chips are not compatible. Hence, two separate drivers are required.
>> 
>> Signed-off-by: Łukasz Stelmach <l.stelmach@...sung.com>
>> Reviewed-by: Andrew Lunn <andrew@...n.ch>
>
> drivers/net/ethernet/asix/ax88796c_main.c: In function ‘ax88796c_tx_fixup’:
> drivers/net/ethernet/asix/ax88796c_main.c:248:6: warning: variable ‘tol_len’ set but not used [-Wunused-but-set-variable]
>   248 |  u16 tol_len, pkt_len;
>       |      ^~~~~~~

Done. Thanks.

-- 
Łukasz Stelmach
Samsung R&D Institute Poland
Samsung Electronics

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