linux-kernel - Re: [PATCH] dma: ti: unexport filter functions

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Date:   Mon, 12 Aug 2019 13:10:04 +0300
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     Arnd Bergmann <arnd@...db.de>, Vinod Koul <vkoul@...nel.org>
CC:     Stephen Rothwell <sfr@...b.auug.org.au>,
        <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dma: ti: unexport filter functions



On 12/08/2019 12.36, Arnd Bergmann wrote:
> The two filter functions are now marked stable, but still exported,
> which triggers a coming build-time check:
> 
> WARNING: "omap_dma_filter_fn" [vmlinux] is a static EXPORT_SYMBOL_GPL
> WARNING: "edma_filter_fn" [vmlinux] is a static EXPORT_SYMBOL
> 
> Remove the unneeded exports as well, as originally intended.
> 
> Fixes: 9c71b9eb3cb2 ("dmaengine: omap-dma: make omap_dma_filter_fn private")
> Fixes: d2bfe7b5d182 ("dmaengine: edma: make edma_filter_fn private")
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Peter Ujfalusi <peter.ujfalusi@...com>

> ---
>  drivers/dma/ti/edma.c     | 1 -
>  drivers/dma/ti/omap-dma.c | 1 -
>  2 files changed, 2 deletions(-)
> 
> diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
> index f2549ee3fb49..ea028388451a 100644
> --- a/drivers/dma/ti/edma.c
> +++ b/drivers/dma/ti/edma.c
> @@ -2540,7 +2540,6 @@ static bool edma_filter_fn(struct dma_chan *chan, void *param)
>  	}
>  	return match;
>  }
> -EXPORT_SYMBOL(edma_filter_fn);
>  
>  static int edma_init(void)
>  {
> diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c
> index 49da402a1927..98b39bcb7b37 100644
> --- a/drivers/dma/ti/omap-dma.c
> +++ b/drivers/dma/ti/omap-dma.c
> @@ -1652,7 +1652,6 @@ static bool omap_dma_filter_fn(struct dma_chan *chan, void *param)
>  	}
>  	return false;
>  }
> -EXPORT_SYMBOL_GPL(omap_dma_filter_fn);
>  
>  static int omap_dma_init(void)
>  {
> 

- Péter

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