Re: [PATCH 3/3] nvmem: core: Allow allocating several anonymous nvmem devices

[Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>]

On Thu,  2 Mar 2017 20:50:23 +0100
Alban <albeu-GANU6spQydw@public.gmane.org> 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-GANU6spQydw@public.gmane.org>

Reviewed-by: Boris Brezillon <boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

> ---
>  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;

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