On 08/12/2013 08:20 PM, Bhushan Bharat-R65777 wrote:
> And this simple fix work for me 
> diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
> index b20ff17..8869b0d 100644
> --- a/arch/powerpc/kernel/iommu.c
> +++ b/arch/powerpc/kernel/iommu.c
> @@ -48,6 +48,8 @@
>  #include <asm/vio.h>
>  #include <asm/tce.h>
>  
> +#define DEBUG
> +
>  #define DBG(...)
>  
>  static int novmerge;
> @@ -871,7 +873,7 @@ void iommu_free_coherent(struct iommu_table *tbl, size_t 
> size,
>         }
>  }
>  
> -#ifdef CONFIG_IOMMU_API
> +#ifdef SPAPR_TCE_IOMMU
>  /*
>   * SPAPR TCE API
>   */
> ----------------------


And with this fix, what does "ls -laR /sys/kernel/iommu_groups/" print?



-- 
Alexey
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