linux-kernel - Re: [PATCH v3 01/15] gpio: dwapb: Use modern PM macros

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Message-ID: <CAHp75VcLjknMLZ60b7mUPqL2miT_x8EexQPhCFueua5vDg6uxg@mail.gmail.com>
Date: Wed, 19 Nov 2025 18:11:53 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Jisheng Zhang <jszhang@...nel.org>
Cc: Andy Shevchenko <andriy.shevchenko@...el.com>, Doug Berger <opendmb@...il.com>, 
	Florian Fainelli <florian.fainelli@...adcom.com>, bcm-kernel-feedback-list@...adcom.com, 
	Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, 
	Hoan Tran <hoan@...amperecomputing.com>, Andy Shevchenko <andy@...nel.org>, 
	Daniel Palmer <daniel@...ngy.jp>, Romain Perier <romain.perier@...il.com>, 
	Grygorii Strashko <grygorii.strashko@...com>, Santosh Shilimkar <ssantosh@...nel.org>, 
	Kevin Hilman <khilman@...nel.org>, Robert Jarzmik <robert.jarzmik@...e.fr>, 
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>, Masami Hiramatsu <mhiramat@...nel.org>, 
	Shubhrajyoti Datta <shubhrajyoti.datta@....com>, Srinivas Neeli <srinivas.neeli@....com>, 
	Michal Simek <michal.simek@....com>, linux-gpio@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-omap@...r.kernel.org
Subject: Re: [PATCH v3 01/15] gpio: dwapb: Use modern PM macros

On Wed, Nov 19, 2025 at 6:09 PM Jisheng Zhang <jszhang@...nel.org> wrote:
> On Wed, Nov 19, 2025 at 05:42:59PM +0200, Andy Shevchenko wrote:
> > On Wed, Nov 19, 2025 at 10:43:13PM +0800, Jisheng Zhang wrote:

...

> > > -#ifdef CONFIG_PM_SLEEP
> > >     struct dwapb_context    *ctx;
> > > -#endif
> >
> > But why this? For the PM_SLEEP=n cases it will give an unrequested overhead.
>
> the pm_ptr() and pm_sleep_ptr() can optimize out the PM related
> functions, but those functions are still compiled, so if we keep the
> #ifdef, there will be build errors.

Is this an expectation or you can share the error, please?


-- 
With Best Regards,
Andy Shevchenko