Hi Keguang, kernel test robot noticed the following build warnings: [auto build test WARNING on d35b2284e966c0bef3e2182a5c5ea02177dd32e4] url: https://github.com/intel-lab-lkp/linux/commits/Keguang-Zhang-via-B4-Relay/dt-bindings-dma-Add-Loongson-1-APB-DMA/20240711-191657 base: d35b2284e966c0bef3e2182a5c5ea02177dd32e4 patch link: https://lore.kernel.org/r/20240711-loongson1-dma-v9-2-5ce8b5e85a56%40gmail.com patch subject: [PATCH RESEND v9 2/2] dmaengine: Loongson1: Add Loongson-1 APB DMA driver config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240714/202407140701.jQbPNAYb-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240714/202407140701.jQbPNAYb-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407140701.jQbPNAYb-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/dma/loongson1-apb-dma.c:138:18: warning: format specifies type 'unsigned int' but the argument has type 'dma_addr_t' (aka 'unsigned long long') [-Wformat] 137 | dev_dbg(chan2dev(dchan), "cookie=%d, starting hwdesc=%x\n", | ~~ | %llx 138 | dchan->cookie, *hwdesc_phys); | ^~~~~~~~~~~~ include/linux/dev_printk.h:165:39: note: expanded from macro 'dev_dbg' 165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:274:19: note: expanded from macro 'dynamic_dev_dbg' 274 | dev, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call' 250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls' 248 | __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls' 224 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ >> drivers/dma/loongson1-apb-dma.c:338:53: warning: format specifies type 'int' but the argument has type 'size_t' (aka 'unsigned long') [-Wformat] 338 | "buf_len=%d period_len=%zu flags=0x%lx dir=%s\n", buf_len, | ~~ ^~~~~~~ | %zu include/linux/dev_printk.h:165:39: note: expanded from macro 'dev_dbg' 165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:274:19: note: expanded from macro 'dynamic_dev_dbg' 274 | dev, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call' 250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls' 248 | __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls' 224 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ 2 warnings generated. vim +138 drivers/dma/loongson1-apb-dma.c 130 131 static inline int ls1x_dma_start(struct ls1x_dma_chan *chan, 132 dma_addr_t *hwdesc_phys) 133 { 134 struct dma_chan *dchan = &chan->vchan.chan; 135 int val, ret; 136 137 dev_dbg(chan2dev(dchan), "cookie=%d, starting hwdesc=%x\n", > 138 dchan->cookie, *hwdesc_phys); 139 140 val = *hwdesc_phys & DMA_ADDR_MASK; 141 val |= DMA_START; 142 val |= dchan->chan_id; 143 chan_writel(chan, DMA_CTRL, val); 144 ret = readl_poll_timeout(chan->reg_base + DMA_CTRL, val, 145 !(val & DMA_START), 0, 3000); 146 if (ret) 147 dev_err(chan2dev(dchan), "failed to start DMA\n"); 148 149 return ret; 150 } 151 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
