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Date:   Tue, 5 Oct 2021 13:06:47 +0200
From:   Greg Kroah-Hartman <>
To:     Arnd Bergmann <>
Cc:     Mathias Nyman <>,
        Thierry Reding <>,
        Jonathan Hunter <>,
        JC Kuo <>, Arnd Bergmann <>,
        Yang Yingliang <>,
        Petr Mladek <>,
        Andy Shevchenko <>,,,
Subject: Re: [PATCH] [RESEND] usb: xhci: tegra: mark PM functions as

On Mon, Sep 27, 2021 at 04:22:52PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <>
> The added #ifdefs in the PM rework were almost correct, but still
> cause warnings in some randconfig builds:
> drivers/usb/host/xhci-tegra.c:2147:12: error: 'tegra_xusb_resume' defined but not used [-Werror=unused-function]
>  2147 | static int tegra_xusb_resume(struct device *dev)
>       |            ^~~~~~~~~~~~~~~~~
> drivers/usb/host/xhci-tegra.c:2105:12: error: 'tegra_xusb_suspend' defined but not used [-Werror=unused-function]
>  2105 | static int tegra_xusb_suspend(struct device *dev)
> Replace the #ifdef checks with simpler __maybe_unused annotations to
> reliably shut up these warnings.
> Fixes: d64d362f1d8b ("usb: xhci: tegra: Enable ELPG for runtime/system PM")

What tree does this commit come in from?  I don't see it in my usb tree


greg k-h

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