Re: [PATCH v2 3/5] dmaengine: rcar-dmac: add iommu support for slave transfers

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Hi Niklas,

[auto build test ERROR on renesas/next]
[also build test ERROR on v4.4]
[cannot apply to next-20160121]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Niklas-S-derlund/dmaengine-rcar-dmac-add-iommu-support-for-slave-transfers/20160121-220503
base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
config: m68k-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=m68k 

All errors (new ones prefixed by >>):

   drivers/dma/sh/rcar-dmac.c: In function '__rcar_dmac_device_config':
>> drivers/dma/sh/rcar-dmac.c:1121:3: error: implicit declaration of function 'dma_unmap_page_attrs' [-Werror=implicit-function-declaration]
      dma_unmap_page_attrs(chan->device->dev, slave->slave_addr,
      ^
>> drivers/dma/sh/rcar-dmac.c:1132:3: error: implicit declaration of function 'dma_map_page_attrs' [-Werror=implicit-function-declaration]
      slave->slave_addr = dma_map_page_attrs(chan->device->dev, page,
      ^
   cc1: some warnings being treated as errors

vim +/dma_unmap_page_attrs +1121 drivers/dma/sh/rcar-dmac.c

  1115		struct rcar_dmac_chan *rchan = to_rcar_dmac_chan(chan);
  1116		struct page *page;
  1117		size_t offset;
  1118	
  1119		/* unmap old */
  1120		if (slave->slave_addr) {
> 1121			dma_unmap_page_attrs(chan->device->dev, slave->slave_addr,
  1122					slave->xfer_size, dir, attrs);
  1123			slave->slave_addr = 0;
  1124			slave->xfer_size = 0;
  1125		}
  1126	
  1127		/* map new */
  1128		if (addr) {
  1129			/* phys_to_page not available on all platforms */
  1130			page = pfn_to_page(addr >> PAGE_SHIFT);
  1131			offset = addr - page_to_phys(page);
> 1132			slave->slave_addr = dma_map_page_attrs(chan->device->dev, page,
  1133					offset, size, dir, attrs);
  1134	
  1135			if (dma_mapping_error(chan->device->dev, slave->slave_addr)) {

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: Binary data


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