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From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Alban <albeu@free.fr>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	linux-mtd@lists.infradead.org,
	Cyrille Pitchen <cyrille.pitchen@atmel.com>,
	Richard Weinberger <richard@nod.at>,
	Marek Vasut <marek.vasut@gmail.com>,
	Brian Norris <computersforpeace@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Rob Herring <robh+dt@kernel.org>,
	Maxime Ripard <maxime.ripard@free-electrons.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	Moritz Fischer <moritz.fischer@ettus.com>
Subject: Re: [PATCH 3/3] nvmem: core: Allow allocating several anonymous nvmem devices
Date: Thu, 2 Mar 2017 21:03:51 +0100	[thread overview]
Message-ID: <20170302210351.1f740ffc@bbrezillon> (raw)
In-Reply-To: <1488484223-844-4-git-send-email-albeu@free.fr>

On Thu,  2 Mar 2017 20:50:23 +0100
Alban <albeu@free.fr> wrote:

> Currently the nvmem core expect the config to provide a name and ID
> that are then used to create the device name. When no device name is
> given 'nvmem' is used. However if there is several such anonymous
> devices they all get named 'nvmem0', which doesn't work.
> 
> To fix this problem use the ID from the config only when the config
> also provides a name. When no name is provided take the uinque ID of
> the nvmem device instead.
> 
> Signed-off-by: Alban <albeu@free.fr>

Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>

> ---
>  drivers/nvmem/core.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
> index 408b521..8c830a8 100644
> --- a/drivers/nvmem/core.c
> +++ b/drivers/nvmem/core.c
> @@ -468,7 +468,8 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
>  	np = config->dev->of_node;
>  	nvmem->dev.of_node = np;
>  	dev_set_name(&nvmem->dev, "%s%d",
> -		     config->name ? : "nvmem", config->id);
> +		     config->name ? : "nvmem",
> +		     config->name ? config->id : nvmem->id);
>  
>  	nvmem->read_only = of_property_read_bool(np, "read-only") |
>  			   config->read_only;

  reply	other threads:[~2017-03-02 20:04 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-02 19:50 [PATCH 0/3] mtd: Add support for reading MTD devices via the nvmem API Alban
2017-03-02 19:50 ` [PATCH 1/3] doc: bindings: Add bindings documentation for mtd nvmem Alban
2017-03-02 20:22   ` Boris Brezillon
2017-03-03 12:17     ` Alban
2017-03-03 12:37       ` Boris Brezillon
2017-03-03 13:12         ` Alban
2017-03-03 11:27   ` Srinivas Kandagatla
2017-03-03 12:19     ` Boris Brezillon
2017-03-03 12:22     ` Alban
2017-03-02 19:50 ` [PATCH 2/3] mtd: Add support for reading MTD devices via the nvmem API Alban
2017-03-02 21:18   ` Boris Brezillon
2017-03-03 12:36     ` Alban
2017-03-03 13:36       ` Boris Brezillon
2017-03-03 13:57         ` Alban
2017-03-03 14:11           ` Boris Brezillon
2017-03-03 22:21             ` Richard Weinberger
2017-03-06 17:21               ` Alban
2017-03-06 19:03                 ` Richard Weinberger
2017-03-06 21:02                   ` Boris Brezillon
2017-03-03 11:23   ` Srinivas Kandagatla
2017-03-03 12:34     ` Boris Brezillon
2017-03-03 13:30       ` Alban
2017-03-03 14:03         ` Boris Brezillon
2017-03-02 19:50 ` [PATCH 3/3] nvmem: core: Allow allocating several anonymous nvmem devices Alban
2017-03-02 20:03   ` Boris Brezillon [this message]
2017-03-03  1:50     ` Moritz Fischer
2017-03-03 10:08   ` Srinivas Kandagatla

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