linux-kernel - Re: [EXTERNAL] Re: [PATCH v12 06/10] net: ti: icssg-prueth: Add ICSSG ethernet driver

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Message-ID: <cad30510-19d8-a50b-d5a8-f4ef07724f65@ti.com>
Date:   Mon, 31 Jul 2023 15:13:41 +0530
From:   Md Danish Anwar <a0501179@...com>
To:     Jakub Kicinski <kuba@...nel.org>,
        MD Danish Anwar <danishanwar@...com>
CC:     Randy Dunlap <rdunlap@...radead.org>,
        Roger Quadros <rogerq@...nel.org>,
        Simon Horman <simon.horman@...igine.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Andrew Lunn <andrew@...n.ch>,
        Richard Cochran <richardcochran@...il.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>, <nm@...com>, <srk@...com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [EXTERNAL] Re: [PATCH v12 06/10] net: ti: icssg-prueth: Add ICSSG
 ethernet driver

On 29/07/23 5:55 am, Jakub Kicinski wrote:
> On Thu, 27 Jul 2023 16:58:23 +0530 MD Danish Anwar wrote:
>> +/* Classifier helpers */
>> +void icssg_class_set_mac_addr(struct regmap *miig_rt, int slice, u8 *mac);
>> +void icssg_class_set_host_mac_addr(struct regmap *miig_rt, const u8 *mac);
>> +void icssg_class_disable(struct regmap *miig_rt, int slice);
>> +void icssg_class_default(struct regmap *miig_rt, int slice, bool allmulti);
>> +void icssg_ft1_set_mac_addr(struct regmap *miig_rt, int slice, u8 *mac_addr);
>> +
>> +/* Buffer queue helpers */
>> +int icssg_queue_pop(struct prueth *prueth, u8 queue);
>> +void icssg_queue_push(struct prueth *prueth, int queue, u16 addr);
>> +u32 icssg_queue_level(struct prueth *prueth, int queue);
> 
> If you create the prototypes when the functions are added there will 
> be less need for __maybe_unused. Compiler only cares about prototypes
> existing, not whether actual callers are in place.

So no need to use __maybe_unused tags if I create the prototype in the same
patch where functions are added. This will significantly reduce the number of
__maybe_unused tags. I will try to add the prototypes in the same patch where
these functions are added and drop __maybe_unused tags for them.

-- 
Thanks and Regards,
Danish.