On 10/05/2018 07:12 PM, chee.hong....@intel.com wrote:
> From: "Ang, Chee Hong" <chee.hong....@intel.com>
> 
> Add macros for specifying number of arguments in mailbox command.
> 
> Signed-off-by: Ang, Chee Hong <chee.hong....@intel.com>
> ---
>  arch/arm/mach-socfpga/include/mach/mailbox_s10.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h 
> b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
> index 660df35..94f60aa 100644
> --- a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
> +++ b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
> @@ -107,6 +107,12 @@ enum ALT_SDM_MBOX_RESP_CODE {
>  #define RECONFIG_STATUS_PIN_STATUS                   2
>  #define RECONFIG_STATUS_SOFTFUNC_STATUS                      3
>  
> +/* Macros for specifying number of arguments in mailbox command */
> +#define MBOX_NUM_ARGS(n, b)                          ((n & 0xFF) << b)

(n) and (b)

> +#define MBOX_DIRECT_COUNT(n)                         MBOX_NUM_ARGS(n, 0)

(n) , fix globally

> +#define MBOX_ARG_DESC_COUNT(n)                               
> MBOX_NUM_ARGS(n, 8)
> +#define MBOX_RESP_DESC_COUNT(n)                              
> MBOX_NUM_ARGS(n, 16)
> +
>  #define MBOX_CFGSTAT_STATE_IDLE                              0x00000000
>  #define MBOX_CFGSTAT_STATE_CONFIG                    0x10000000
>  #define MBOX_CFGSTAT_STATE_FAILACK                   0x08000000
> 


-- 
Best regards,
Marek Vasut
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