Hi Kedareswara, [auto build test WARNING on robh/for-next] [also build test WARNING on v4.6-rc3 next-20160415] [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/Kedareswara-rao-Appana/Documentation-DT-dma-Add-Xilinx-zynqmp-dma-device-tree-binding-documentation/20160415-165623 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux for-next config: sparc64-allmodconfig (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=sparc64 All warnings (new ones prefixed by >>): drivers/dma/xilinx/zynqmp_dma.c: In function 'zynqmp_dma_config_sg_ll_desc': >> drivers/dma/xilinx/zynqmp_dma.c:371:9: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v); ^ drivers/dma/xilinx/zynqmp_dma.c:371:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v); ^ vim +371 drivers/dma/xilinx/zynqmp_dma.c 355 struct zynqmp_dma_desc_ll *prev) 356 { 357 struct zynqmp_dma_desc_ll *ddesc = sdesc + 1; 358 359 sdesc->size = ddesc->size = len; 360 sdesc->addr = src; 361 ddesc->addr = dst; 362 363 sdesc->ctrl = ddesc->ctrl = ZYNQMP_DMA_DESC_CTRL_SIZE_256; 364 if (chan->is_dmacoherent) { 365 sdesc->ctrl |= ZYNQMP_DMA_DESC_CTRL_COHRNT; 366 ddesc->ctrl |= ZYNQMP_DMA_DESC_CTRL_COHRNT; 367 } 368 369 if (prev) { 370 dma_addr_t addr = chan->desc_pool_p + > 371 ((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v); 372 ddesc = prev + 1; 373 prev->nxtdscraddr = addr; 374 ddesc->nxtdscraddr = addr + ZYNQMP_DMA_DESC_SIZE(chan); 375 } 376 } 377 378 /** 379 * zynqmp_dma_init - Initialize the channel --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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