Re: [PATCH v3 8/9] drivers/perf: Simpilfy EVENT ATTR macro in arm_dsu_pmu.c

[Will Deacon]

On Tue, Jun 08, 2021 at 11:33:20AM +0800, Qi Liu wrote:
> Use common macro PMU_EVENT_ATTR_ID to simplify DSU_EVENT_ATTR.
> 
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Signed-off-by: Qi Liu <liuqi115@xxxxxxxxxx>
> ---
>  drivers/perf/arm_dsu_pmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
> index 196faea..bed8376 100644
> --- a/drivers/perf/arm_dsu_pmu.c
> +++ b/drivers/perf/arm_dsu_pmu.c
> @@ -82,7 +82,7 @@
>  	})[0].attr.attr)
>  
>  #define DSU_EVENT_ATTR(_name, _config)		\
> -	DSU_EXT_ATTR(_name, dsu_pmu_sysfs_event_show, (unsigned long)_config)
> +	PMU_EVENT_ATTR_ID(_name, dsu_pmu_sysfs_event_show, _config)
>  
>  #define DSU_FORMAT_ATTR(_name, _config)		\
>  	DSU_EXT_ATTR(_name, dsu_pmu_sysfs_format_show, (char *)_config)

I'm not convinced this is any simpler. We still have two users of the
DSU_EXT_ATTR macro and the net effect is no change in line count.

Will