Re: [PATCH RESEND v9 2/2] dmaengine: Loongson1: Add Loongson-1 APB DMA driver
From: kernel test robot
Date: Sat Jul 13 2024 - 17:12:01 EST
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
--
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https://github.com/intel/lkp-tests/wiki