Hi Stefan, [auto build test WARNING on next-20170926] [also build test WARNING on v4.14-rc2] [cannot apply to linus/master robh/for-next v4.14-rc2 v4.14-rc1 v4.13] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Stefan-Br-ns/dmaengine-sun6i-Correct-setting-of-clock-autogating-register-for-A83T-H3/20170927-021533 config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/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 warnings (new ones prefixed by >>): drivers/dma/sun6i-dma.c:119:2: error: function declaration isn't a prototype [-Werror=strict-prototypes] void (*clock_autogate_enable)(); ^ drivers/dma/sun6i-dma.c: In function 'sun6i_dma_prep_dma_memcpy': >> drivers/dma/sun6i-dma.c:627:2: warning: passing argument 1 of 'sdev->cfg->set_burst_length' makes pointer from integer without a cast sdev->cfg->set_burst_length(v_lli->cfg, burst, burst); ^ drivers/dma/sun6i-dma.c:627:2: note: expected 'u32 *' but argument is of type 'u32' drivers/dma/sun6i-dma.c: At top level: drivers/dma/sun6i-dma.c:1040:48: error: expected '}' before ';' token .set_burst_length = sun6i_set_burst_length_a31; ^ drivers/dma/sun6i-dma.c:1052:58: error: expected '}' before ';' token .clock_autogate_enable = sun6i_enable_clock_autogate_a23; ^ drivers/dma/sun6i-dma.c:1060:58: error: expected '}' before ';' token .clock_autogate_enable = sun6i_enable_clock_autogate_a23; ^ drivers/dma/sun6i-dma.c:1073:57: error: expected '}' before ';' token .clock_autogate_enable = sun6i_enable_clock_autogate_h3; ^ drivers/dma/sun6i-dma.c:1086:58: error: expected '}' before ';' token .clock_autogate_enable = sun6i_enable_clock_autogate_a23; ^ drivers/dma/sun6i-dma.c:292:13: warning: 'sun6i_set_burst_length_h3' defined but not used [-Wunused-function] static void sun6i_set_burst_length_h3(u32 *p_cfg, s8 src_burst, s8 dst_burst) ^ cc1: some warnings being treated as errors vim +627 drivers/dma/sun6i-dma.c 584 585 static struct dma_async_tx_descriptor *sun6i_dma_prep_dma_memcpy( 586 struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, 587 size_t len, unsigned long flags) 588 { 589 struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(chan->device); 590 struct sun6i_vchan *vchan = to_sun6i_vchan(chan); 591 struct sun6i_dma_lli *v_lli; 592 struct sun6i_desc *txd; 593 dma_addr_t p_lli; 594 s8 burst, width; 595 596 dev_dbg(chan2dev(chan), 597 "%s; chan: %d, dest: %pad, src: %pad, len: %zu. flags: 0x%08lx\n", 598 __func__, vchan->vc.chan.chan_id, &dest, &src, len, flags); 599 600 if (!len) 601 return NULL; 602 603 txd = kzalloc(sizeof(*txd), GFP_NOWAIT); 604 if (!txd) 605 return NULL; 606 607 v_lli = dma_pool_alloc(sdev->pool, GFP_NOWAIT, &p_lli); 608 if (!v_lli) { 609 dev_err(sdev->slave.dev, "Failed to alloc lli memory\n"); 610 goto err_txd_free; 611 } 612 613 v_lli->src = src; 614 v_lli->dst = dest; 615 v_lli->len = len; 616 v_lli->para = NORMAL_WAIT; 617 618 burst = convert_burst(8); 619 width = convert_buswidth(DMA_SLAVE_BUSWIDTH_4_BYTES); 620 v_lli->cfg = DMA_CHAN_CFG_SRC_DRQ(DRQ_SDRAM) | 621 DMA_CHAN_CFG_DST_DRQ(DRQ_SDRAM) | 622 DMA_CHAN_CFG_DST_LINEAR_MODE | 623 DMA_CHAN_CFG_SRC_LINEAR_MODE | 624 DMA_CHAN_CFG_SRC_WIDTH(width) | 625 DMA_CHAN_CFG_DST_WIDTH(width); 626 > 627 sdev->cfg->set_burst_length(v_lli->cfg, burst, burst); 628 629 sun6i_dma_lli_add(NULL, v_lli, p_lli, txd); 630 631 sun6i_dma_dump_lli(vchan, v_lli); 632 633 return vchan_tx_prep(&vchan->vc, &txd->vd, flags); 634 635 err_txd_free: 636 kfree(txd); 637 return NULL; 638 } 639 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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