CC: kbuild-...@lists.01.org
BCC: l...@intel.com
CC: linux-ker...@vger.kernel.org
TO: Hans de Goede <hdego...@redhat.com>
CC: Wolfram Sang <wsa-...@sang-engineering.com>
CC: Andy Shevchenko <andriy.shevche...@linux.intel.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   88e6c0207623874922712e162e25d9dafd39661e
commit: c57813b8b288dcb5e158993cfdff31a60bc24955 i2c: designware: Lock the 
adapter while setting the suspended flag
date:   5 weeks ago
:::::: branch date: 12 hours ago
:::::: commit date: 5 weeks ago
compiler: ia64-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/i2c/i2c-core-smbus.c:49:30: warning: Parameter 'p' can be declared 
>> with const [constParameter]
   u8 i2c_smbus_pec(u8 crc, u8 *p, size_t count)
                                ^
--
>> drivers/i2c/busses/i2c-designware-pcidrv.c:238:2: warning: There is an 
>> unknown macro here somewhere. Configuration is required. If 
>> SET_SYSTEM_SLEEP_PM_OPS is a macro then please configure it. [unknownMacro]
    SET_SYSTEM_SLEEP_PM_OPS(i2c_dw_pci_suspend, i2c_dw_pci_resume)
    ^
--
>> drivers/i2c/busses/i2c-piix4.c:1017:9: warning: Uninitialized variable: 
>> retval [uninitvar]
    return retval;
           ^
   drivers/i2c/busses/i2c-piix4.c:1006:22: note: Assuming condition is false
    for (port = 0; port < piix4_adapter_count; port++) {
                        ^
   drivers/i2c/busses/i2c-piix4.c:1017:9: note: Uninitialized variable: retval
    return retval;
           ^
>> drivers/i2c/busses/i2c-piix4.c:181:6: warning: Using argument mmio_cfg that 
>> points at uninitialized variable mmio_cfg [ctuuninitvar]
    if (mmio_cfg->use_mmio) {
        ^
   drivers/i2c/busses/i2c-piix4.c:355:37: note: Calling function 
piix4_sb800_region_request, 2nd argument is uninitialized
    retval = piix4_sb800_region_request(&PIIX4_dev->dev, &mmio_cfg);
                                       ^
   drivers/i2c/busses/i2c-piix4.c:181:6: note: Using argument mmio_cfg
    if (mmio_cfg->use_mmio) {
        ^
--
   drivers/i2c/i2c-core-base.c:1254:8: warning: %hi in format string (no. 1) 
requires 'short *' but the argument type is 'unsigned short *'. 
[invalidScanfArgType_int]
    res = sscanf(buf, "%hi%c", &addr, &end);
          ^
>> drivers/i2c/i2c-core-base.c:1331:16: warning: Uninitialized variable: 
>> devinfo->busnum [uninitvar]
     if (devinfo->busnum == adapter->nr &&
                  ^

vim +238 drivers/i2c/busses/i2c-designware-pcidrv.c

18dbdda89f5cf0 Dirk Brandewie 2011-10-06  236  
c57813b8b288dc Hans de Goede  2022-02-23  237  static const struct dev_pm_ops 
i2c_dw_pm_ops = {
c57813b8b288dc Hans de Goede  2022-02-23 @238   
SET_SYSTEM_SLEEP_PM_OPS(i2c_dw_pci_suspend, i2c_dw_pci_resume)
c57813b8b288dc Hans de Goede  2022-02-23  239   
SET_RUNTIME_PM_OPS(i2c_dw_pci_runtime_suspend, i2c_dw_pci_runtime_resume, NULL)
c57813b8b288dc Hans de Goede  2022-02-23  240  };
18dbdda89f5cf0 Dirk Brandewie 2011-10-06  241  

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