netdev - Re: [PATCH v5 6/9] wifi: wilc1000: Remove cmd53

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Message-ID: <9602d2a7-8397-425a-b567-bc06422d89ec@bootlin.com>
Date: Tue, 10 Sep 2024 11:47:45 +0200
From: Alexis Lothoré <alexis.lothore@...tlin.com>
To: Marek Vasut <marex@...x.de>, linux-wireless@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
 Adham Abozaeid <adham.abozaeid@...rochip.com>,
 Ajay Singh <ajay.kathat@...rochip.com>,
 Claudiu Beznea <claudiu.beznea@...on.dev>, Conor Dooley
 <conor+dt@...nel.org>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Kalle Valo <kvalo@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org,
 netdev@...r.kernel.org
Subject: Re: [PATCH v5 6/9] wifi: wilc1000: Remove cmd53_buf() allocation

On 9/9/24 21:29, Marek Vasut wrote:
> The cmd53_buf is a 4 byte buffer, embed it into the struct wilc_sdio.

Is this change really desirable ? I mean, looking at git log, it looks like this
kzalloc is voluntary, for usage with DMA (see [1] as initial fix and [2] as the
final patch which has landed in the driver)

[1]
https://patchwork.kernel.org/project/linux-wireless/patch/20220728152037.386543-1-michael@walle.cc/
[2] https://lore.kernel.org/all/20220809075749.62752-1-ajay.kathat@microchip.com/

Alexis

-- 
Alexis Lothoré, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com