linux-kernel - Re: [PATCH v2] PM: QoS: Export dev_pm_qos_read

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Message-ID: <hdvczc6j3fhtjadxwy3cybmzldaq42x2g6jshq563neji6evze@o2p27ox7tz3f>
Date: Thu, 3 Oct 2024 09:21:23 +0200
From: Markus Schneider-Pargmann <msp@...libre.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "Rafael J . Wysocki" <rafael@...nel.org>, Pavel Machek <pavel@....cz>, 
	Len Brown <len.brown@...el.com>, Vishal Mahaveer <vishalm@...com>, 
	Kevin Hilman <khilman@...libre.com>, Dhruva Gole <d-gole@...com>, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] PM: QoS: Export dev_pm_qos_read_value

On Thu, Oct 03, 2024 at 08:49:48AM GMT, Greg Kroah-Hartman wrote:
> On Thu, Oct 03, 2024 at 08:28:12AM +0200, Markus Schneider-Pargmann wrote:
> > On Thu, Oct 03, 2024 at 08:02:04AM GMT, Greg Kroah-Hartman wrote:
> > > On Wed, Oct 02, 2024 at 09:44:46PM +0200, Markus Schneider-Pargmann wrote:
> > > > Export the function dev_pm_qos_read_value(). Most other functions
> > > > mentioned in Documentation/power/pm_qos_interface.rst are already
> > > > exported, so export this one as well.
> > > > 
> > > > This function will be used to read the resume latency in a driver that
> > > > can also be compiled as a module.
> > > 
> > > We don't add exports for no in-kernel users, sorry.  Send this as part
> > > of a series that requires it.
> > 
> > Sorry if this was unclear, it is for an in-kernel driver (ti_sci.c) that
> > can be built as a module. When built as a module it can't use this
> > function if it is not exported.
> 
> So the current kernel build is broken?  If so, please add a "Fixes:" tag
> and say this in the changelog.
> 
> If not, again, just make it part of the series where it is needed.

It is not a fix, I will reintegrate it with the series that needs it.

Thanks!

Best
Markus

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