linux-kernel - Re: [PATCH 02/10] goldfish: add the goldfish virtual bus

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Message-ID: <20130110155415.52920a41@bob.linux.org.uk>
Date:	Thu, 10 Jan 2013 15:54:15 +0000
From:	Alan Cox <alan@...ux.intel.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	arve@...roid.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/10] goldfish: add the goldfish virtual bus

> Maybe drivers/bus would be more appropriate though. Every platform
> handles platforms differently, and x86 seems to be the only one that
> likes the model of putting stuff under drivers/platform.

I'm fine with that and I agree - it is a bus.

> __devinit/__devexit are going away, so you can skip adding them
> for new code.

I'll strip those out of the upstream version

> > +module_init(goldfish_pdev_bus_init);
> > +module_exit(goldfish_pdev_bus_exit);
> 
> The module_platform_driver() macro takes care of this.

Will change to that.

> 
> > +static struct resource goldfish_pdev_bus_resources[] = {
> > +	{
> > +		.start  = GOLDFISH_PDEV_BUS_BASE,
> > +		.end    = GOLDFISH_PDEV_BUS_BASE +
> > GOLDFISH_PDEV_BUS_END - 1,
> > +		.flags  = IORESOURCE_IO,
> > +	},
> > +	{
> > +		.start	= GOLDFISH_PDEV_BUS_IRQ,
> > +		.end	= GOLDFISH_PDEV_BUS_IRQ,
> > +		.flags	= IORESOURCE_IRQ,
> > +	}
> > +};
> > +
> > +struct platform_device goldfish_pdev_bus_device = {
> > +	.name = "goldfish_pdev_bus",
> > +	.id = -1,
> > +	.num_resources = ARRAY_SIZE(goldfish_pdev_bus_resources),
> > +	.resource = goldfish_pdev_bus_resources
> > +};
> > +
> > +static int __init goldfish_init(void)
> > +{
> > +	return platform_device_register(&goldfish_pdev_bus_device);
> > +}
> > +device_initcall(goldfish_init);
> 
> This is the part that I think should actually be part of the
> architecture tree.

Thinking about it a bit I agree. We still end up needing an
architectural header for early console and the like eventually but it
does eliminate much of the rest.

I'll rework it that way.

Alan
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