[ti:ti-linux-6.1.y-wip 13/22] drivers/net/can/m_can/m_can.c:1890:60: sparse: sparse: dubious: !x & y

[kernel test robot <lkp@intel.com>]

tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-6.1.y-wip
head:   247b2535b24894d5ac7f3d8cfc3b48edb7214cc0
commit: a82817238831b72570a3135027ba3bc52becabb7 [13/22] can: m_can: Map WoL to device_set_wakeup_enable
config: mips-randconfig-r121-20231126 (https://download.01.org/0day-ci/archive/20231215/202312150119.f50Lh0Xf-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231215/202312150119.f50Lh0Xf-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312150119.f50Lh0Xf-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/can/m_can/m_can.c:1890:60: sparse: sparse: dubious: !x & y
   drivers/net/can/m_can/m_can.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
   include/linux/page-flags.h:248:46: sparse: sparse: self-comparison always evaluates to false

vim +1890 drivers/net/can/m_can/m_can.c

  1882	
  1883	static int m_can_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
  1884	{
  1885		struct m_can_classdev *cdev = netdev_priv(dev);
  1886	
  1887		if ((wol->wolopts & WAKE_PHY) != wol->wolopts)
  1888			return -EINVAL;
  1889	
> 1890		device_set_wakeup_enable(cdev->dev, !!wol->wolopts & WAKE_PHY);
  1891	
  1892		return 0;
  1893	}
  1894	

-- 
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