From: John Garry <john.garry@huawei.com>
To: Joakim Zhang <qiangqing.zhang@nxp.com>, <will@kernel.org>,
<robh+dt@kernel.org>
Cc: <devicetree@vger.kernel.org>, <linux-imx@nxp.com>, <frank.li@nxp.com>
Subject: Re: [PATCH V2 2/2] perf/imx_ddr: Add system PMU identifier for userspace
Date: Mon, 30 Nov 2020 11:46:00 +0000 [thread overview]
Message-ID: <9468d155-f285-0d03-181b-fe378042f858@huawei.com> (raw)
In-Reply-To: <20201130114202.26057-3-qiangqing.zhang@nxp.com>
On 30/11/2020 11:42, Joakim Zhang wrote:
> The DDR Perf for i.MX8 is a system PMU whose AXI ID would different from
> SoC to SoC. Need expose system PMU identifier for userspace which refer
> to/sys/bus/event_source/devices/<PMU DEVICE>/identifier.
>
> Signed-off-by: Joakim Zhang<qiangqing.zhang@nxp.com>
Reviewed-by: John Garry <john.garry@huawei.com>
next prev parent reply other threads:[~2020-11-30 11:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 11:42 [PATCH V2 0/2] perf/imx_ddr: Add sysfs identifier file Joakim Zhang
2020-11-30 11:42 ` [PATCH V2 1/2] bindings: perf: imx-ddr: add compatible string Joakim Zhang
2020-12-09 13:37 ` Rob Herring
2020-11-30 11:42 ` [PATCH V2 2/2] perf/imx_ddr: Add system PMU identifier for userspace Joakim Zhang
2020-11-30 11:46 ` John Garry [this message]
2020-12-09 14:25 ` [PATCH V2 0/2] perf/imx_ddr: Add sysfs identifier file Will Deacon
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