linux-kernel - Re: [PATCH] usb: dwc3: qcom: mark PM functions as __maybe

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Date:   Wed, 6 Jun 2018 13:26:30 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        USB list <linux-usb@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: dwc3: qcom: mark PM functions as __maybe_unused

On Fri, May 25, 2018 at 6:06 PM, Arnd Bergmann <arnd@...db.de> wrote:
> The #ifdef guards around these are wrong, resulting in warnings
> in certain configurations:
>
> drivers/usb/dwc3/dwc3-qcom.c:244:12: error: 'dwc3_qcom_resume' defined but not used [-Werror=unused-function]
>  static int dwc3_qcom_resume(struct dwc3_qcom *qcom)
>             ^~~~~~~~~~~~~~~~
> drivers/usb/dwc3/dwc3-qcom.c:223:12: error: 'dwc3_qcom_suspend' defined but not used [-Werror=unused-function]
>  static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)
>
> This replaces the guards with __maybe_unused annotations to shut up
> the warnings and give better compile time coverage.
>
> Fixes: a4333c3a6ba9 ("usb: dwc3: Add Qualcomm DWC3 glue driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds