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Message-ID: <20240222122341.GC8308@willie-the-truck>
Date: Thu, 22 Feb 2024 12:23:41 +0000
From: Will Deacon <will@...nel.org>
To: Xu Yang <xu.yang_2@....com>
Cc: Frank.li@....com, mark.rutland@....com, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
	festevam@...il.com, john.g.garry@...cle.com, jolsa@...nel.org,
	namhyung@...nel.org, irogers@...gle.com, linux-imx@....com,
	mike.leach@...aro.org, leo.yan@...aro.org, peterz@...radead.org,
	mingo@...hat.com, acme@...nel.org,
	alexander.shishkin@...ux.intel.com, adrian.hunter@...el.com,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	imx@...ts.linux.dev
Subject: Re: [PATCH v4 4/6] perf: imx_perf: add macro definitions for parsing
 config attr

On Wed, Jan 31, 2024 at 01:58:09PM +0800, Xu Yang wrote:
> The user can set event and counter in cmdline and the driver need to parse
> it using 'config' attr value. This will add macro definitions to avoid
> hard-code in driver.
> 
> Signed-off-by: Xu Yang <xu.yang_2@....com>
> 
> ---
> Changes in v4:
>  - new patch
> ---
>  drivers/perf/fsl_imx9_ddr_perf.c | 19 +++++++++++++------
>  1 file changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/perf/fsl_imx9_ddr_perf.c b/drivers/perf/fsl_imx9_ddr_perf.c
> index 85aaaef7212f..94041f06c152 100644
> --- a/drivers/perf/fsl_imx9_ddr_perf.c
> +++ b/drivers/perf/fsl_imx9_ddr_perf.c
> @@ -52,6 +52,11 @@
>  #define NUM_COUNTERS		11
>  #define CYCLES_COUNTER		0
>  
> +#define CONFIG_EVENT_MASK	0x00FF
> +#define CONFIG_EVENT_OFFSET	0
> +#define CONFIG_COUNTER_MASK	0xFF00
> +#define CONFIG_COUNTER_OFFSET	8

Can you move this patch earlier, please, so that the imx95 support can use
these new definitions immediately?

Will

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