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Message-ID: <202407140701.jQbPNAYb-lkp@intel.com>
Date: Sun, 14 Jul 2024 07:24:57 +0800
From: kernel test robot <lkp@...el.com>
To: Keguang Zhang via B4 Relay <devnull+keguang.zhang.gmail.com@...nel.org>,
Keguang Zhang <keguang.zhang@...il.com>,
Vinod Koul <vkoul@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-mips@...r.kernel.org, dmaengine@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: Re: [PATCH RESEND v9 2/2] dmaengine: Loongson1: Add Loongson-1 APB
DMA driver
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@intel.com/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@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407140701.jQbPNAYb-lkp@intel.com/
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
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