From: sashiko-bot@kernel.org
To: "Shouping Wang" <allen.wang@hj-micro.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v2] perf/arm-cmn: Fix wp_dev_sel2 setting for multi-DTM configurations
Date: Thu, 10 Sep 2026 11:54:09 +0000 [thread overview]
Message-ID: <20260910115410.048CA1F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260910114601.165237-1-allen.wang@hj-micro.com>
> When MXP_MULTIPLE_DTM_EN is TRUE, each DTM will monitor at most
> two device ports. In this case, {wp_dev_sel2, wp_dev_sel} will
> only use values 2'b00 and 2'b01 per DTM.
>
> Previously the setting allowed values beyond the supported range
> per DTM, which could cause each DTM to select invalid ports when
> MXP_MULTIPLE_DTM_EN is TRUE.
>
> Fix this by only setting CMN_DTM_WPn_CONFIG_WP_DEV_SEL2 when
> !multi_dtm.
>
> Fixes: 60d1504070c2 ("perf/arm-cmn: Support new IP features")
> Signed-off-by: Shouping Wang <allen.wang@hj-micro.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260910114601.165237-1-allen.wang@hj-micro.com?part=1
next prev parent reply other threads:[~2026-09-10 11:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-19 10:54 [PATCH] perf/arm-cmn: Fix {wp_dev_sel2, wp_dev_sel} limited to 0/1 when MXP_MULTIPLE_DTM_EN is TRUE Shouping Wang
2026-09-08 8:15 ` allen.wang
2026-09-08 15:04 ` Robin Murphy
2026-09-09 2:01 ` allen.wang
2026-09-09 16:19 ` Robin Murphy
2026-09-10 11:46 ` [PATCH v2] perf/arm-cmn: Fix wp_dev_sel2 setting for multi-DTM configurations Shouping Wang
2026-09-10 11:54 ` sashiko-bot [this message]
2026-09-10 12:37 ` Robin Murphy
2026-09-11 13:44 ` Will Deacon
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