Re: [PATCH] x86/asm/bitops: Change function return types from long to int

From: kernel test robot
Date: Sat May 25 2024 - 19:01:18 EST

Hi Thorsten,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 0b32d436c015d5a88b3368405e3d8fe82f195a54]

url: https://github.com/intel-lab-lkp/linux/commits/Thorsten-Blum/x86-asm-bitops-Change-function-return-types-from-long-to-int/20240526-014828
base: 0b32d436c015d5a88b3368405e3d8fe82f195a54
patch link: https://lore.kernel.org/r/20240525174448.174824-2-thorsten.blum%40toblux.com
patch subject: [PATCH] x86/asm/bitops: Change function return types from long to int
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240526/202405260651.QCsLIzXc-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/20240526/202405260651.QCsLIzXc-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/202405260651.QCsLIzXc-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from include/linux/printk.h:573,
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 arch/x86/include/asm/page_32.h:18,
from arch/x86/include/asm/page.h:14,
from arch/x86/include/asm/processor.h:20,
from include/linux/sched.h:13,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/devcoredump.h:8,
from sound/soc/intel/catpt/dsp.c:8:
sound/soc/intel/catpt/dsp.c: In function 'catpt_dsp_set_srampge':
>> sound/soc/intel/catpt/dsp.c:181:44: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'u32' {aka 'unsigned int'} [-Wformat=]
181 | dev_dbg(cdev->dev, "sanitize block %ld: off 0x%08x\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__)
| ^~~~~~~
sound/soc/intel/catpt/dsp.c:181:25: note: in expansion of macro 'dev_dbg'
181 | dev_dbg(cdev->dev, "sanitize block %ld: off 0x%08x\n",
| ^~~~~~~
sound/soc/intel/catpt/dsp.c:181:62: note: format string is defined here
181 | dev_dbg(cdev->dev, "sanitize block %ld: off 0x%08x\n",
| ~~^
| |
| long int
| %d


vim +181 sound/soc/intel/catpt/dsp.c

64b9b1b005743a Cezary Rojewski 2020-09-29 153
ba202a7bc3da05 Cezary Rojewski 2020-09-29 154 static void catpt_dsp_set_srampge(struct catpt_dev *cdev, struct resource *sram,
ba202a7bc3da05 Cezary Rojewski 2020-09-29 155 unsigned long mask, unsigned long new)
ba202a7bc3da05 Cezary Rojewski 2020-09-29 156 {
ba202a7bc3da05 Cezary Rojewski 2020-09-29 157 unsigned long old;
ba202a7bc3da05 Cezary Rojewski 2020-09-29 158 u32 off = sram->start;
ba202a7bc3da05 Cezary Rojewski 2020-09-29 159 u32 b = __ffs(mask);
ba202a7bc3da05 Cezary Rojewski 2020-09-29 160
ba202a7bc3da05 Cezary Rojewski 2020-09-29 161 old = catpt_readl_pci(cdev, VDRTCTL0) & mask;
ba202a7bc3da05 Cezary Rojewski 2020-09-29 162 dev_dbg(cdev->dev, "SRAMPGE [0x%08lx] 0x%08lx -> 0x%08lx",
ba202a7bc3da05 Cezary Rojewski 2020-09-29 163 mask, old, new);
ba202a7bc3da05 Cezary Rojewski 2020-09-29 164
ba202a7bc3da05 Cezary Rojewski 2020-09-29 165 if (old == new)
ba202a7bc3da05 Cezary Rojewski 2020-09-29 166 return;
ba202a7bc3da05 Cezary Rojewski 2020-09-29 167
ba202a7bc3da05 Cezary Rojewski 2020-09-29 168 catpt_updatel_pci(cdev, VDRTCTL0, mask, new);
ba202a7bc3da05 Cezary Rojewski 2020-09-29 169 /* wait for SRAM power gating to propagate */
ba202a7bc3da05 Cezary Rojewski 2020-09-29 170 udelay(60);
ba202a7bc3da05 Cezary Rojewski 2020-09-29 171
ba202a7bc3da05 Cezary Rojewski 2020-09-29 172 /*
ba202a7bc3da05 Cezary Rojewski 2020-09-29 173 * Dummy read as the very first access after block enable
ba202a7bc3da05 Cezary Rojewski 2020-09-29 174 * to prevent byte loss in future operations.
ba202a7bc3da05 Cezary Rojewski 2020-09-29 175 */
ba202a7bc3da05 Cezary Rojewski 2020-09-29 176 for_each_clear_bit_from(b, &new, fls_long(mask)) {
ba202a7bc3da05 Cezary Rojewski 2020-09-29 177 u8 buf[4];
ba202a7bc3da05 Cezary Rojewski 2020-09-29 178
ba202a7bc3da05 Cezary Rojewski 2020-09-29 179 /* newly enabled: new bit=0 while old bit=1 */
ba202a7bc3da05 Cezary Rojewski 2020-09-29 180 if (test_bit(b, &old)) {
ba202a7bc3da05 Cezary Rojewski 2020-09-29 @181 dev_dbg(cdev->dev, "sanitize block %ld: off 0x%08x\n",
ba202a7bc3da05 Cezary Rojewski 2020-09-29 182 b - __ffs(mask), off);
ba202a7bc3da05 Cezary Rojewski 2020-09-29 183 memcpy_fromio(buf, cdev->lpe_ba + off, sizeof(buf));
ba202a7bc3da05 Cezary Rojewski 2020-09-29 184 }
ba202a7bc3da05 Cezary Rojewski 2020-09-29 185 off += CATPT_MEMBLOCK_SIZE;
ba202a7bc3da05 Cezary Rojewski 2020-09-29 186 }
ba202a7bc3da05 Cezary Rojewski 2020-09-29 187 }
ba202a7bc3da05 Cezary Rojewski 2020-09-29 188

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https://github.com/intel/lkp-tests/wiki