linux-kernel - Re: [PATCH v2] mfd: syscon: Use a unique name with regmap

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Date:   Mon, 24 Feb 2020 10:00:37 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Suman Anna <s-anna@...com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        David Lechner <david@...hnology.com>,
        Tony Lindgren <tony@...mide.com>,
        Roger Quadros <rogerq@...com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org
Subject: Re: [PATCH v2] mfd: syscon: Use a unique name with regmap_config

On Mon, 27 Jan 2020, Suman Anna wrote:

> The DT node full name is currently being used in regmap_config
> which in turn is used to create the regmap debugfs directories.
> This name however is not guaranteed to be unique and the regmap
> debugfs registration can fail in the cases where the syscon nodes
> have the same unit-address but are present in different DT node
> hierarchies. Replace this logic using the syscon reg resource
> address instead (inspired from logic used while creating platform
> devices) to ensure a unique name is given for each syscon.
> 
> Signed-off-by: Suman Anna <s-anna@...com>
> ---
> v2: Fix build warning reported by kbuild test bot
> v1: https://patchwork.kernel.org/patch/11346363/
> 
>  drivers/mfd/syscon.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Waiting for Arnd to review.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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