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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: arnd@arndb.de
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org
Subject: Re: [POWERPC 07/18] Have cell use its own dma_direct_offset variable
Date: Wed, 19 Dec 2007 06:50:42 +1100	[thread overview]
Message-ID: <1198007442.18908.6.camel@pasglop> (raw)
In-Reply-To: <20071218175104.846274000@arndb.de>


On Tue, 2007-12-18 at 18:48 +0100, arnd@arndb.de wrote:
> plain text document attachment
> (0017-Have-cell-use-its-own-dma_direct_offset-variable.patch)
> Rather than using the global variable, have cell use its own variable to
> store the direct DMA offset.
> 
> Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Ack.

>  arch/powerpc/platforms/cell/iommu.c |   10 ++++++----
>  1 files changed, 6 insertions(+), 4 deletions(-)
> 
> Index: linux-2.6-new/arch/powerpc/platforms/cell/iommu.c
> ===================================================================
> --- linux-2.6-new.orig/arch/powerpc/platforms/cell/iommu.c
> +++ linux-2.6-new/arch/powerpc/platforms/cell/iommu.c
> @@ -490,6 +490,8 @@ static struct cbe_iommu *cell_iommu_for_
>  	return NULL;
>  }
>  
> +static unsigned long cell_dma_direct_offset;
> +
>  static void cell_dma_dev_setup(struct device *dev)
>  {
>  	struct iommu_window *window;
> @@ -497,7 +499,7 @@ static void cell_dma_dev_setup(struct de
>  	struct dev_archdata *archdata = &dev->archdata;
>  
>  	if (get_pci_dma_ops() == &dma_direct_ops) {
> -		archdata->dma_data = &dma_direct_offset;
> +		archdata->dma_data = &cell_dma_direct_offset;
>  		return;
>  	}
>  
> @@ -655,7 +657,7 @@ static int __init cell_iommu_init_disabl
>  
>  	/* If we have no Axon, we set up the spider DMA magic offset */
>  	if (of_find_node_by_name(NULL, "axon") == NULL)
> -		dma_direct_offset = SPIDER_DMA_OFFSET;
> +		cell_dma_direct_offset = SPIDER_DMA_OFFSET;
>  
>  	/* Now we need to check to see where the memory is mapped
>  	 * in PCI space. We assume that all busses use the same dma
> @@ -689,10 +691,10 @@ static int __init cell_iommu_init_disabl
>  		return -ENODEV;
>  	}
>  
> -	dma_direct_offset += base;
> +	cell_dma_direct_offset += base;
>  
>  	printk("iommu: disabled, direct DMA offset is 0x%lx\n",
> -	       dma_direct_offset);
> +	       cell_dma_direct_offset);
>  
>  	return 0;
>  }
> 

  reply	other threads:[~2007-12-18 19:51 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-18 17:48 [POWERPC 00/18] cell patches for 2.6.25 arnd
2007-12-18 17:48 ` [POWERPC 01/18] perfmon2: make pm_interval register read/write arnd
2007-12-18 17:48 ` [POWERPC 02/18] OProfile: fix cbe pm signal routing problem arnd
2007-12-18 17:48 ` [POWERPC 03/18] cell: add missing \n arnd
2007-12-18 17:48 ` [POWERPC 04/18] Set archdata.dma_data for direct DMA in cell_dma_dev_setup() arnd
2007-12-18 19:48   ` Benjamin Herrenschmidt
2007-12-18 17:48 ` [POWERPC 05/18] Add celleb_dma_dev_setup() arnd
2007-12-18 19:48   ` Benjamin Herrenschmidt
2007-12-18 17:48 ` [POWERPC 06/18] Use archdata.dma_data in dma_direct_ops arnd
2007-12-18 19:49   ` Benjamin Herrenschmidt
2007-12-18 17:48 ` [POWERPC 07/18] Have cell use its own dma_direct_offset variable arnd
2007-12-18 19:50   ` Benjamin Herrenschmidt [this message]
2007-12-18 17:49 ` [POWERPC 08/18] Have celleb " arnd
2007-12-18 19:50   ` Benjamin Herrenschmidt
2007-12-18 17:49 ` [POWERPC 09/18] Remove the global dma_direct_offset arnd
2007-12-18 19:52   ` Benjamin Herrenschmidt
2007-12-18 17:49 ` [POWERPC 10/18] Remove bogus comment in dma_direct_alloc_coherent() arnd
2007-12-18 19:52   ` Benjamin Herrenschmidt
2007-12-18 17:49 ` [POWERPC 11/18] cell: Convert #include of asm/of_{platform, device}.h into linux/of_{platform, device}.h arnd
2007-12-18 17:49 ` [POWERPC 12/18] cell: export force_sig_info() arnd
2007-12-18 17:49 ` [POWERPC 13/18] cell: safer of_has_vicinity routine arnd
2007-12-18 17:49 ` [POWERPC 14/18] cell: handle kernel SLB setup in spu_base.c arnd
2007-12-18 17:49 ` [POWERPC 15/18] cell: use spu_load_slb for SLB setup arnd
2007-12-18 17:49 ` [POWERPC 16/18] cell: add spu_64k_pages_available() check arnd
2007-12-18 17:49 ` [POWERPC 17/18] cell: handle SPE kernel mappings that cross segment boundaries arnd
2007-12-18 17:49 ` [POWERPC 18/18] cell: catch errors from sysfs_create_group() arnd
2007-12-18 20:24 ` [POWERPC 00/18] cell patches for 2.6.25 Arnd Bergmann
2007-12-19  0:11 ` Arnd Bergmann

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