netdev - Re: [PATCH V5 00/19] net: ks8851: Unify KS8851 SPI and MLL drivers

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Date:   Wed, 13 May 2020 18:48:17 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Marek Vasut <marex@...x.de>
Cc:     netdev@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
        Lukas Wunner <lukas@...ner.de>, Petr Stetiar <ynezz@...e.cz>,
        YueHaibing <yuehaibing@...wei.com>
Subject: Re: [PATCH V5 00/19] net: ks8851: Unify KS8851 SPI and MLL drivers

On Thu, 14 May 2020 02:07:28 +0200 Marek Vasut wrote:
> The KS8851SNL/SNLI and KS8851-16MLL/MLLI/MLLU are very much the same pieces
> of silicon, except the former has an SPI interface, while the later has a
> parallel bus interface. Thus far, Linux has two separate drivers for each
> and they are diverging considerably.
> 
> This series unifies them into a single driver with small SPI and parallel
> bus specific parts. The approach here is to first separate out the SPI
> specific parts into a separate file, then add parallel bus accessors in
> another separate file and then finally remove the old parallel bus driver.
> The reason for replacing the old parallel bus driver is because the SPI
> bus driver is much higher quality.

There is a bunch of warnings in these patches when built one by one with
W=1, could you take a look?