[PATCH 4/7] ARM: pass size to dma_free_coherent

[Jean-Christophe PLAGNIOL-VILLARD]

On 11:43 Fri 29 Jul     , Sascha Hauer wrote:
> We'll need it later once we remap dma memory.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
>  arch/arm/cpu/mmu.c           |    2 +-
>  arch/arm/include/asm/mmu.h   |    9 +++++++--
>  drivers/usb/gadget/fsl_udc.c |    2 +-
>  3 files changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
> index 8465d1a..bb067e3 100644
> --- a/arch/arm/cpu/mmu.c
> +++ b/arch/arm/cpu/mmu.c
> @@ -155,7 +155,7 @@ void *phys_to_virt(unsigned long phys)
>  	return (void *)(phys + dma_coherent_offset);
>  }
>  
> -void dma_free_coherent(void *mem)
> +void dma_free_coherent(void *mem, size_t size)
>  {
>  	free(mem - dma_coherent_offset);
>  }
> diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
> index d96c728..9ebc2cd 100644
> --- a/arch/arm/include/asm/mmu.h
> +++ b/arch/arm/include/asm/mmu.h
> @@ -17,7 +17,7 @@ void setup_dma_coherent(unsigned long offset);
>  
>  #ifdef CONFIG_MMU
>  void *dma_alloc_coherent(size_t size);
> -void dma_free_coherent(void *mem);
> +void dma_free_coherent(void *mem, size_t size);
>  
>  void dma_clean_range(unsigned long, unsigned long);
>  void dma_flush_range(unsigned long, unsigned long);
> @@ -26,12 +26,17 @@ unsigned long virt_to_phys(void *virt);
>  void *phys_to_virt(unsigned long phys);
>  
>  #else
> +static inline int mmu_init(void)
> +{
> +	return -EINVAL;
if not enable we just success no?
specially if the code is move out the board

Best Regards,
J.