linux-kernel - Re: [PATCH v2 0/6] memory: renesas-rpc-if: Rebind fixes and misc cleanups

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Date:   Mon, 5 Dec 2022 09:56:36 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Mark Brown <broonie@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-spi@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v2 0/6] memory: renesas-rpc-if: Rebind fixes and misc
 cleanups

On Wed, Nov 23, 2022 at 03:41:16PM +0100, Geert Uytterhoeven wrote:
> 	Hi all,
> 
> The Renesas RPC-IF provides either HyperFlash or SPI host access.
> To handle this, three drivers are used:
>   1. The RPC-IF core diver,
>   2. An HyperFlash child driver,
>   3. An SPI child driver.
> 
> Currently this driver collection suffers from a sub-optimal division of
> roles and reponsibilities, leading to (un)bind issues: after manually
> unbinding the child driver, rebinding the child driver fails with
> -EBUSY.
> 
> This patch series aims to fix this, by splitting off private data and
> making the RPC-IF core driver responsible for resource acquisition.
> After that, a few customary cleanups are provided.
> 
> This has been tested on the Salvator-X(S) and Ebisu-4D (HyperFlash) and
> White-Hawk (QSPI FLASH) development boards.

Sadly, I don't have the bandwidth to do a full review. But from a
glimpse, it all looks good. And from a high level PoV, this all makes a
lot of sense. So:

Acked-by: Wolfram Sang <wsa+renesas@...g-engineering.com>


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