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Date:   Tue, 4 Apr 2023 15:51:48 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc:     Mark Rutland <mark.rutland@arm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Will Deacon <will@kernel.org>, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linuxarm@huawei.com,
        Dan Williams <dan.j.williams@intel.com>,
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        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Liang Kan <kan.liang@linux.intel.com>
Subject: Re: [PATCH 01/32] perf: Allow a PMU to have a parent
Message-ID: <2023040438-mounting-answering-bce4@gregkh>
References: <20230404134225.13408-1-Jonathan.Cameron@huawei.com>
 <20230404134225.13408-2-Jonathan.Cameron@huawei.com>
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On Tue, Apr 04, 2023 at 02:41:54PM +0100, Jonathan Cameron wrote:
> Some PMUs have well defined parents such as PCI devices.
> As the device_initialize() and device_add() are all within
> pmu_dev_alloc() which is called from perf_pmu_register()
> there is no opportunity to set the parent from within a driver.
> 
> Add a struct device *parent field to struct pmu and use that
> to set the parent.
> 
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Reviewed-by: Dan Williams <dan.j.williams@intel.com>
> 

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>