linux-kernel - Re: [RFC 05/12] phy: use of_phy_simple

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Date:	Thu, 24 Oct 2013 21:03:21 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Tomasz Stanislawski <t.stanislaws@...sung.com>
CC:	<devicetree@...r.kernel.org>, <linux-samsung-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
	<kyungmin.park@...sung.com>, <t.figa@...sung.com>,
	<sw0312.kim@...sung.com>, <inki.dae@...sung.com>,
	<rahul.sharma@...sung.com>, <kgene.kim@...sung.com>,
	<s.nawrocki@...sung.com>, <thomas.abraham@...aro.org>,
	<mturquette@...aro.org>
Subject: Re: [RFC 05/12] phy: use of_phy_simple_xlate for NULL xlate function

Hi,

On Monday 21 October 2013 07:48 PM, Tomasz Stanislawski wrote:
> Use default handler of_phy_simple_xlate() when NULL is passed as argument to
> of_phy_provider_register().
> 
> Signed-off-by: Tomasz Stanislawski <t.stanislaws@...sung.com>
> ---
>  drivers/phy/phy-core.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
> index 03cf8fb..c38ae1e7 100644
> --- a/drivers/phy/phy-core.c
> +++ b/drivers/phy/phy-core.c
> @@ -575,7 +575,7 @@ struct phy_provider *__of_phy_provider_register(struct device *dev,
>  
>  	phy_provider->dev = dev;
>  	phy_provider->owner = owner;
> -	phy_provider->of_xlate = of_xlate;
> +	phy_provider->of_xlate = of_xlate ? of_xlate : of_phy_simple_xlate;

Lets allow the phy provider to pass the correct of_xlate (of_phy_simple_xlate
is exported anyway). Instead you can modify the patch to check for of_xlate and
do a WARN if it is NULL.

Thanks
Kishon
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