linux-kernel - Re: [PATCH 0/2] cacheinfo: allow using OF style matchine for cache devices

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Message-ID: <CAA8EJppCRzknaujKFyLa_i7x4UnX31YFSyjtux+zJ0harixrbA@mail.gmail.com>
Date: Thu, 4 Jan 2024 03:26:41 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <peterz@...radead.org>, Rob Herring <robh@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 0/2] cacheinfo: allow using OF style matchine for cache devices

On Sun, 31 Dec 2023 at 19:30, Dmitry Baryshkov
<dmitry.baryshkov@...aro.org> wrote:
>
> On Qualcomm Krait (APQ8064, MSM8960, MSM8974, APQ8084) platforms L2
> cache frequency should follow CPU cache frequencies. It is logical to
> put the correponding OPP table into the L2 device node and then add
> simple devfreq driver that aggregates CPU votes and sets the clock
> accordingly.
>
> In [1] Rob suggested reusing existing cache devices for
> platform-specific cache drivers. This series implements that suggestion.
>
> This is posted as an RFC. If this implementation is found to be
> acceptable, corresponding L2 cache driver will be included in the next
> revision.

I'd like to recall this series for now. It doesn't work as expected.

>
> [1] https://lore.kernel.org/linux-arm-msm/20231011154935.GA785564-robh@kernel.org/
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
> Dmitry Baryshkov (2):
>       cpu: allow matching cpu_subsys devices against OF nodes
>       cacheinfo: pass of_node to cpu_device_create()

-- 
With best wishes
Dmitry