linux-kernel - linux-next: build warning after merge of the tip tree

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Message-ID: <20180323132853.67195c47@canb.auug.org.au>
Date:   Fri, 23 Mar 2018 13:28:53 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>
Subject: linux-next: build warning after merge of the tip tree

Hi all,

After merging the tip tree, today's linux-next build (arm
multi_v7_defconfig) produced this warning:

lib/swiotlb.c:748:13: warning: 'swiotlb_free_buffer' defined but not used [-Wunused-function]
 static bool swiotlb_free_buffer(struct device *dev, size_t size,
             ^~~~~~~~~~~~~~~~~~~
lib/swiotlb.c:706:1: warning: 'swiotlb_alloc_buffer' defined but not used [-Wunused-function]
 swiotlb_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle,
 ^~~~~~~~~~~~~~~~~~~~

Introduced by commit

  16e73adbca76 ("dma/swiotlb: Remove swiotlb_{alloc,free}_coherent()")

These are now only used with CONFIG_DMA_DIRECT_OPS.

-- 
Cheers,
Stephen Rothwell

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