Re: [PATCH] of/platform: Allow missing address for dev name lookup

[Rob Herring]

On 11/18/2011 09:09 AM, Wojciech Baranowski wrote:
> While looking up linux name for platform device, check the address only if it
> has been supplied in lookup table.
> 
And the reason you want to do this is?

Rob

> Signed-off-by: Wojciech Baranowski <baranowski@xxxxxxxxxxxx>
> ---
>  drivers/of/platform.c |    8 +++++---
>  1 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/of/platform.c b/drivers/of/platform.c
> index cbd5d70..94763c0 100644
> --- a/drivers/of/platform.c
> +++ b/drivers/of/platform.c
> @@ -314,12 +314,14 @@ static const struct of_dev_auxdata *of_dev_lookup(const struct of_dev_auxdata *l
>  	if (!lookup)
>  		return NULL;
>  
> -	for(; lookup->name != NULL; lookup++) {
> +	for (; lookup->name != NULL; lookup++) {
>  		if (!of_device_is_compatible(np, lookup->compatible))
>  			continue;
> -		if (of_address_to_resource(np, 0, &res))
> +		if (lookup->phys_addr &&
> +				of_address_to_resource(np, 0, &res))
>  			continue;
> -		if (res.start != lookup->phys_addr)
> +		if (lookup->phys_addr &&
> +				res.start != lookup->phys_addr)
>  			continue;
>  		pr_debug("%s: devname=%s\n", np->full_name, lookup->name);
>  		return lookup;

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