linux-kernel - Re: [PATCH v4] powercap: include header to fix -Wmissing-prototypes

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Date:   Fri, 25 Sep 2020 16:49:58 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Pujin Shi <shipujin.t@...il.com>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Herrington <hankinsea@...il.com>, Pujin Shi <shipj@...ote.com>
Subject: Re: [PATCH v4] powercap: include header to fix -Wmissing-prototypes

On Tue, Sep 22, 2020 at 6:47 AM Pujin Shi <shipujin.t@...il.com> wrote:
>
> Include the linux/idle_inject.h header to fix W=1 build warning:
>
>     drivers/powercap/idle_inject.c:152:6: warning: no previous prototype for ‘idle_inject_set_duration’ [-Wmissing-prototypes]
>     drivers/powercap/idle_inject.c:167:6: warning: no previous prototype for ‘idle_inject_get_duration’ [-Wmissing-prototypes]
>     drivers/powercap/idle_inject.c:179:6: warning: no previous prototype for ‘idle_inject_set_latency’ [-Wmissing-prototypes]
>     drivers/powercap/idle_inject.c:195:5: warning: no previous prototype for ‘idle_inject_start’ [-Wmissing-prototypes]
>     drivers/powercap/idle_inject.c:227:6: warning: no previous prototype for ‘idle_inject_stop’ [-Wmissing-prototypes]
>     drivers/powercap/idle_inject.c:299:28: warning: no previous prototype for ‘idle_inject_register’ [-Wmissing-prototypes]
>     drivers/powercap/idle_inject.c:345:6: warning: no previous prototype for ‘idle_inject_unregister’ [-Wmissing-prototypes]
>
> Signed-off-by: Pujin Shi <shipj@...ote.com>
> ---
>  drivers/powercap/idle_inject.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/powercap/idle_inject.c b/drivers/powercap/idle_inject.c
> index 4310901a074e..6e1a0043c411 100644
> --- a/drivers/powercap/idle_inject.c
> +++ b/drivers/powercap/idle_inject.c
> @@ -43,6 +43,7 @@
>  #include <linux/sched.h>
>  #include <linux/slab.h>
>  #include <linux/smpboot.h>
> +#include <linux/idle_inject.h>
>
>  #include <uapi/linux/sched/types.h>
>
> --

Note that the contact information in the S-o-b tag should match the
From: header exactly.

I've fixed that up manually this time and applied the patch (as 5.10
material), but please be more careful about it in the future.

Thanks!