linux-kernel - Re: Error when compiling kernel module - Re: More power management updates for v5.17-rc1

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Date:   Mon, 21 Feb 2022 17:18:51 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     eh kernel <ehkernel@...il.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Paul Cercueil <paul@...pouillou.net>
Subject: Re: Error when compiling kernel module - Re: More power management
 updates for v5.17-rc1

On Mon, Feb 21, 2022 at 1:15 PM eh kernel <ehkernel@...il.com> wrote:
>
> Hi Rafael,
>
> I now get an error when compiling the kernel module (out-of-tree) with the new PM macros.
>
> /home/ubuntu/pressure/bmp280-core.c:1163:28: error: expected ‘)’ before ‘(’ token
>  1163 |      bmp280_runtime_resume, NULL);

Which of the macros has triggered this error?

>       |                            ^
>       |                            )
> /home/ubuntu/pressure/bmp280-core.c:1149:12: warning: ‘bmp280_runtime_resume’ defined but not used [-Wunused-function]
>  1149 | static int bmp280_runtime_resume(struct device *dev)
>       |            ^~~~~~~~~~~~~~~~~~~~~
> /home/ubuntu/pressure/bmp280-core.c:1141:12: warning: ‘bmp280_runtime_suspend’ defined but not used [-Wunused-function]
>  1141 | static int bmp280_runtime_suspend(struct device *dev)
>       |            ^~~~~~~~~~~~~~~~~~~~~~
>
> When I revert to the old file without the new PM macros it works just fine. Do I need to take some extra parameters into account now with the new format when compiling?
>