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    Subject[PATCH] dma/ep93xx_dma.c: local symbols should be static
    Date
    The symbol 'ep93xx_dma_prep_dma_memcpy' is only used in this driver
    and should be marked static.

    Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
    Cc: Mika Westerberg <mika.westerberg@iki.fi>
    Cc: Dan Williams <dan.j.williams@intel.com>
    Cc: Vinod Koul <vinod.koul@intel.com>

    ---

    diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
    index 0766c1e..5d7a49b 100644
    --- a/drivers/dma/ep93xx_dma.c
    +++ b/drivers/dma/ep93xx_dma.c
    @@ -902,7 +902,7 @@ static void ep93xx_dma_free_chan_resources(struct dma_chan *chan)
    *
    * Returns a valid DMA descriptor or %NULL in case of failure.
    */
    -struct dma_async_tx_descriptor *
    +static struct dma_async_tx_descriptor *
    ep93xx_dma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest,
    dma_addr_t src, size_t len, unsigned long flags)
    {

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