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Date:   Mon, 27 Mar 2023 09:37:21 +0200
From:   Greg KH <greg@kroah.com>
To:     Stephen Rothwell <sfr@canb.auug.org.au>
Cc:     Josue David Hernandez Gutierrez 
        <josue.d.hernandez.gutierrez@intel.com>,
        Mathias Nyman <mathias.nyman@linux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the usb tree
Message-ID: <ZCFHsSkxXAahISuK@kroah.com>
References: <20230327160232.6119b93f@canb.auug.org.au>
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On Mon, Mar 27, 2023 at 04:02:32PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the usb tree, today's linux-next build (s390 allmodconfig)
> failed like this:
> 
> drivers/usb/host/xhci-pci.c:91:13: error: 'xhci_msix_sync_irqs' defined but not used [-Werror=unused-function]
> 
> (reported here: http://kisskb.ellerman.id.au/kisskb/buildresult/14902506/)
> 
> Caused by commit
> 
>   9abe15d55dcc ("xhci: Move xhci MSI sync function to to xhci-pci")
> 
> The function is only called if CONFIG_PM is set, but defined
> unconditionally.

Ick.  Mathias, can you make up a patch for this?

thanks,

greg k-h