linux-kernel - Re: [PATCH] mvumi: fix build warning

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Date:	Thu, 3 Mar 2016 14:28:37 +0100
From:	Johannes Thumshirn <jthumshirn@...e.de>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH] mvumi: fix build warning

On Thu, Mar 03, 2016 at 06:36:53PM +0530, Sudip Mukherjee wrote:
> While building tilepro allmodconfig we were getting build warning:
> drivers/scsi/mvumi.c:2632:12: warning: 'mvumi_suspend' defined but not used
> drivers/scsi/mvumi.c:2651:12: warning: 'mvumi_resume' defined but not used
> 
> mvumi_suspend() and mvumi_resume() are only used when CONFIG_PM is
> defined as mentioned in the mvumi_pci_driver.	
> 
> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
> ---
>  drivers/scsi/mvumi.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
> index 02360de..d9d0736 100644
> --- a/drivers/scsi/mvumi.c
> +++ b/drivers/scsi/mvumi.c
> @@ -2629,6 +2629,7 @@ static void mvumi_shutdown(struct pci_dev *pdev)
>  	mvumi_flush_cache(mhba);
>  }
>  
> +#ifdef CONFIG_PM
>  static int mvumi_suspend(struct pci_dev *pdev, pm_message_t state)
>  {
>  	struct mvumi_hba *mhba = NULL;
> @@ -2716,6 +2717,7 @@ fail:
>  
>  	return ret;
>  }
> +#endif
>  
>  static struct pci_driver mvumi_pci_driver = {
>  
> -- 
> 1.9.1
> 
> --
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There was a patch from Arnd earlier this day addressing this as well with a
__maybe_unused. You might want to have a look at this one
https://lkml.org/lkml/2016/3/2/497

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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