Hi, Dan, 

I just consider if it could be reused on Freescale's 64bit processor in the future.
If we don't care this, I can let the driver only depends on PPC32.

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 27340a7..449c0ae 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -39,7 +39,7 @@ config INTEL_IOP_ADMA
 
 config FSL_DMA
        bool "Freescale MPC85xx/MPC83xx DMA support"
-       depends on PPC
+       depends on PPC32
        select DMA_ENGINE
        ---help---
          Enable support for the Freescale DMA engine. Now, it support

Thanks!
Wei.

quoted text
> -----Original Message-----
> From: dan.j.williams@gmail.com 
> 
> On Tue, Mar 11, 2008 at 7:10 PM, Zhang Wei 
> <Wei.Zhang@freescale.com> wrote:
> >  The reason is the val will be assigned to SR register, and 
> SR register
> >   is a 32-bit only register.
> 
> If this is the case then why not disable the driver for PPC_64?
> 
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index 27340a7..89db937 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -40,6 +40,7 @@ config INTEL_IOP_ADMA
>  config FSL_DMA
>         bool "Freescale MPC85xx/MPC83xx DMA support"
>         depends on PPC
> +       depends on !PPC_64
>         select DMA_ENGINE
>         ---help---
>           Enable support for the Freescale DMA engine. Now, it support
> 
> --
> Dan
> 
--
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