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Date: Tue, 07 Nov 2006 21:24:28 -0800
From: Geoff Levand <geoffrey.levand@am.sony.com>
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To: michael@ellerman.id.au
Subject: Re: [Cbe-oss-dev] [PATCH] cell: abstract spu management routines
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Cc: linuxppc-dev@ozlabs.org, cbe-oss-dev@ozlabs.org,
	Arnd Bergmann <arnd@arndb.de>
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Michael Ellerman wrote:
>> +static struct platform_data *platform_data(struct spu *spu)
>> +{
>> +	BUG_ON(!spu->platform_data);
>> +	return (struct platform_data*)spu->platform_data;
>> +}
> 
> I don't see the point of this, why not just grab platform data directly?

Well, first, it does a check, and second, you can't just grab platform_data,
you need to always do the cast also. So then, is something like
'((struct platform_data*)spu->platform_data)->' preferred over
'platform_data(spu)->'?

-Geoff