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Subject: Re: [POWERPC 05/18] Add celleb_dma_dev_setup()
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: arnd@arndb.de
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	<20071218175104.432538000@arndb.de>
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Date: Wed, 19 Dec 2007 06:48:59 +1100
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On Tue, 2007-12-18 at 18:48 +0100, arnd@arndb.de wrote:
> plain text document attachment (0015-Add-celleb_dma_dev_setup.patch)
> Celleb always uses dma_direct_ops, and sets dma_direct_offset, so it too
> should set dma_data to dma_direct_offset.
> 
> Currently there's no pci_dma_dev_setup() routine for Celleb so add one.
> 
> Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Ack.

>  arch/powerpc/platforms/celleb/iommu.c |   14 +++++++++++++-
>  1 files changed, 13 insertions(+), 1 deletions(-)
> 
> Index: linux-2.6-new/arch/powerpc/platforms/celleb/iommu.c
> ===================================================================
> --- linux-2.6-new.orig/arch/powerpc/platforms/celleb/iommu.c
> +++ linux-2.6-new/arch/powerpc/platforms/celleb/iommu.c
> @@ -72,6 +72,17 @@ static void __init celleb_init_direct_ma
>  	dma_direct_offset = dma_base;
>  }
>  
> +static void celleb_dma_dev_setup(struct device *dev)
> +{
> +	dev->archdata.dma_ops = get_pci_dma_ops();
> +	dev->archdata.dma_data = &dma_direct_offset;
> +}
> +
> +static void celleb_pci_dma_dev_setup(struct pci_dev *pdev)
> +{
> +	celleb_dma_dev_setup(&pdev->dev);
> +}
> +
>  static int celleb_of_bus_notify(struct notifier_block *nb,
>  				unsigned long action, void *data)
>  {
> @@ -81,7 +92,7 @@ static int celleb_of_bus_notify(struct n
>  	if (action != BUS_NOTIFY_ADD_DEVICE)
>  		return 0;
>  
> -	dev->archdata.dma_ops = get_pci_dma_ops();
> +	celleb_dma_dev_setup(dev);
>  
>  	return 0;
>  }
> @@ -97,6 +108,7 @@ static int __init celleb_init_iommu(void
>  
>  	celleb_init_direct_mapping();
>  	set_pci_dma_ops(&dma_direct_ops);
> +	ppc_md.pci_dma_dev_setup = celleb_pci_dma_dev_setup;
>  	bus_register_notifier(&of_platform_bus_type, &celleb_of_bus_notifier);
>  
>  	return 0;
>