Hi Niklas, [auto build test ERROR on renesas/next] [also build test ERROR on v4.4 next-20160108] [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/20160111-102813 base: https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next config: xtensa-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=xtensa All error/warnings (new ones prefixed by >>): drivers/dma/sh/rcar-dmac.c: In function '__rcar_dmac_dma_map': >> drivers/dma/sh/rcar-dmac.c:1109:9: error: implicit declaration of function 'phys_to_page' [-Werror=implicit-function-declaration] struct page *page = phys_to_page(addr); ^ >> drivers/dma/sh/rcar-dmac.c:1109:22: warning: initialization makes pointer from integer without a cast struct page *page = phys_to_page(addr); ^ cc1: some warnings being treated as errors vim +/phys_to_page +1109 drivers/dma/sh/rcar-dmac.c 1103 } 1104 1105 static dma_addr_t __rcar_dmac_dma_map(struct dma_chan *chan, phys_addr_t addr, 1106 size_t size, enum dma_data_direction dir) 1107 { 1108 struct rcar_dmac_chan *rchan = to_rcar_dmac_chan(chan); > 1109 struct page *page = phys_to_page(addr); 1110 size_t offset = addr - page_to_phys(page); 1111 dma_addr_t map = dma_map_page(chan->device->dev, page, offset, size, 1112 dir); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: Binary data
