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: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240714/202407140536.iIizeGVy-lkp@xxxxxxxxx/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240714/202407140536.iIizeGVy-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/202407140536.iIizeGVy-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:598, from include/asm-generic/bug.h:22, from arch/x86/include/asm/bug.h:87, from include/linux/bug.h:5, from include/linux/fortify-string.h:6, from include/linux/string.h:374, from include/linux/scatterlist.h:5, from include/linux/dmapool.h:14, from drivers/dma/loongson1-apb-dma.c:8: drivers/dma/loongson1-apb-dma.c: In function 'ls1x_dma_start': >> drivers/dma/loongson1-apb-dma.c:137:34: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'dma_addr_t' {aka 'long long unsigned int'} [-Wformat=] 137 | dev_dbg(chan2dev(dchan), "cookie=%d, starting hwdesc=%x\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:224:29: note: in definition of macro '__dynamic_func_call_cls' 224 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:250:9: note: in expansion of macro '_dynamic_func_call_cls' 250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:273:9: note: in expansion of macro '_dynamic_func_call' 273 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg' 165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~~~~~ include/linux/dev_printk.h:165:30: note: in expansion of macro 'dev_fmt' 165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/dma/loongson1-apb-dma.c:137:9: note: in expansion of macro 'dev_dbg' 137 | dev_dbg(chan2dev(dchan), "cookie=%d, starting hwdesc=%x\n", | ^~~~~~~ drivers/dma/loongson1-apb-dma.c:137:63: note: format string is defined here 137 | dev_dbg(chan2dev(dchan), "cookie=%d, starting hwdesc=%x\n", | ~^ | | | unsigned int | %llx vim +137 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