linux-kernel - Re: [PATCH v3 1/7] syscore: Pass context data to callbacks

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Message-ID: <3dzha4qyqdrbutxby3n5nkvihnxrhniqr6w726eumhzgln2w5l@fbu72mzmjz4m>
Date: Wed, 5 Nov 2025 17:52:01 +0100
From: Thierry Reding <thierry.reding@...il.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: x86@...nel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-riscv@...ts.infradead.org, linux-mips@...r.kernel.org, loongarch@...ts.linux.dev, 
	linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org, linux-pci@...r.kernel.org, 
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/7] syscore: Pass context data to callbacks

On Mon, Nov 03, 2025 at 05:18:08PM +0100, Rafael J. Wysocki wrote:
> On Wed, Oct 29, 2025 at 5:33 PM Thierry Reding <thierry.reding@...il.com> wrote:
> >
> > From: Thierry Reding <treding@...dia.com>
> >
> > Several drivers can benefit from registering per-instance data along
> > with the syscore operations. To achieve this, move the modifiable fields
> > out of the syscore_ops structure and into a separate struct syscore that
> > can be registered with the framework. Add a void * driver data field for
> > drivers to store contextual data that will be passed to the syscore ops.
> >
> > Signed-off-by: Thierry Reding <treding@...dia.com>
> 
> This change is fine with me, so I can apply it unless somebody has any
> specific heartburn related to it (Greg?), but in case you want to
> route it differently
> 
> Acked-by: Rafael J. Wysocki (Intel) <rafael@...nel.org>

I have a few follow-up patches for the Tegra PMC driver that depend on
this. 6.19 is what I was targetting, so if we could put this into a
stable branch that'd be the best solution. I can set that up via the
Tegra tree if you and Greg are okay with it.

If that's all too complicated, I can probably wait until the next cycle
to merge the PMC changes.

Thierry

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