linux-kernel - Re: [PATCH v2 03/12] bus: stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver

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Date:   Thu, 16 Apr 2020 21:53:28 +0200
From:   Boris Brezillon <boris.brezillon@...labora.com>
To:     Christophe Kerello <christophe.kerello@...com>
Cc:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <lee.jones@...aro.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <tony@...mide.com>, marex@...x.de,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH v2 03/12] bus: stm32-fmc2-ebi: add STM32 FMC2 EBI
 controller driver

On Wed, 15 Apr 2020 17:57:27 +0200
Christophe Kerello <christophe.kerello@...com> wrote:

> The driver adds the support for the STMicroelectronics FMC2 EBI controller
> found on STM32MP SOCs.
> 
> Signed-off-by: Christophe Kerello <christophe.kerello@...com>
> Tested-by: Marek Vasut <marex@...x.de>
> ---
> Changes in v2:
>  - call 2 APIs to manage FMC2 enable/disable instead of ops
>  - call 2 APIs to manage FMC2 NWAIT shared signal instead of ops
> 
>  drivers/bus/Kconfig          |   11 +
>  drivers/bus/Makefile         |    1 +
>  drivers/bus/stm32-fmc2-ebi.c | 1091 ++++++++++++++++++++++++++++++++++++++++++

Hm, I see that other memory bus controller drivers are placed under
drivers/memory/, any reason for choosing drivers/bus/? If that's where
we want to have all generic memory bus controllers to live it might be
worth moving existing drivers to the drivers/bus/ directory at some
point.