[PATCH 2/5] mfd: sunxi-gpadc-mfd: add buffer structure

Jonathan Cameron jic23 at kernel.org
Sun Jul 24 03:32:09 PDT 2016


On 20/07/16 09:29, Quentin Schulz wrote:
> This adds a buffer structure for files including the sunxi-gpadc-mfd
> header. This structure has a buffer of 32 u32 values to store data from the
> FIFO of the GPADC of Allwinner SoCs. A buff_size is provided in case the
> buffer is not full.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz at free-electrons.com>
I'd roll this into the first patch that uses it.
Easier to see what is for when reviewing then!

Jonathan
> ---
>  include/linux/mfd/sunxi-gpadc-mfd.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/linux/mfd/sunxi-gpadc-mfd.h b/include/linux/mfd/sunxi-gpadc-mfd.h
> index 7155845..f658299 100644
> --- a/include/linux/mfd/sunxi-gpadc-mfd.h
> +++ b/include/linux/mfd/sunxi-gpadc-mfd.h
> @@ -20,4 +20,9 @@ struct sunxi_gpadc_mfd_dev {
>  	void __iomem			*regs;
>  };
>  
> +struct sunxi_gpadc_buffer {
> +	u32				buffer[32];
> +	unsigned int			buff_size;
> +};
> +
>  #endif
> 




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