On 01/27/2017 04:01 PM, Yuriy Kolerov wrote:
> This structure is necessary for retrieving of supported
> number of common interrupts in IDU interrupt controller.
>
> Signed-off-by: Yuriy Kolerov <yuriy.kolerov at synopsys.com>
> ---
> include/soc/arc/mcip.h | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/include/soc/arc/mcip.h b/include/soc/arc/mcip.h
> index 6902c2a..798c01b 100644
> --- a/include/soc/arc/mcip.h
> +++ b/include/soc/arc/mcip.h
> @@ -14,6 +14,7 @@
> #include <soc/arc/aux.h>
>
> #define ARC_REG_MCIP_BCR 0x0d0
> +#define ARC_REG_MCIP_IDU_BCR 0x0D5
> #define ARC_REG_MCIP_CMD 0x600
> #define ARC_REG_MCIP_WDATA 0x601
> #define ARC_REG_MCIP_READBACK 0x602
> @@ -69,6 +70,22 @@ struct mcip_bcr {
> #endif
> };
>
> +struct mcip_idu_bcr {
> +#ifdef CONFIG_CPU_BIG_ENDIAN
> + unsigned int pad:21, cirqnum:3, ver:8;
> +#else
> + unsigned int ver:8, cirqnum:3, pad:21;
> +#endif
> +};
> +
> +
> +/*
> + * Build register for IDU contains not an actual number of supported common
> + * interrupts but an exponent of 2 which must be multiplied by 4 to
> + * get a number of supported common interrupts.
> + */
> +#define mcip_idu_bcr_to_nr_irqs(bcr) (4 * (1 << (bcr).cirqnum))
> +
> /*
> * MCIP programming model
> *
>
Please squash this into patch which uses this infrastructure !
