[linux-next:master 10189/12471] drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c:111:9: sparse: sparse: dubious: x | !y

[linux-next:master 10189/12471] drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c:111:9: sparse: sparse: dubious: x | !y

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
CC: Linux Memory Management List <linux-mm@kvack.org>
TO: Shayne Chen <shayne.chen@mediatek.com>
CC: Felix Fietkau <nbd@nbd.name>
CC: Ryder Lee <ryder.lee@mediatek.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   503f375baa99edff894eb1a534d2ac0b4f799573
commit: 90f5daea758abcc4722f4304ed5fccbbc80a59c2 [10189/12471] mt76: mt7915: add debugfs knobs for MCU utilization
:::::: branch date: 6 hours ago
:::::: commit date: 5 days ago
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=90f5daea758abcc4722f4304ed5fccbbc80a59c2
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 90f5daea758abcc4722f4304ed5fccbbc80a59c2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/mt7915/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c:111:9: sparse: sparse: dubious: x | !y

vim +111 drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c

e57b7901469fc0 Ryder Lee   2020-04-25   80  
e57b7901469fc0 Ryder Lee   2020-04-25   81  DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
e57b7901469fc0 Ryder Lee   2020-04-25   82  			 mt7915_radar_trigger, "%lld\n");
e57b7901469fc0 Ryder Lee   2020-04-25   83  
5517f78b0063d0 Ryder Lee   2020-04-25   84  static int
9b121acd4e853c Shayne Chen 2021-10-22   85  mt7915_fw_debug_wm_set(void *data, u64 val)
5517f78b0063d0 Ryder Lee   2020-04-25   86  {
5517f78b0063d0 Ryder Lee   2020-04-25   87  	struct mt7915_dev *dev = data;
5517f78b0063d0 Ryder Lee   2020-04-25   88  	enum {
5517f78b0063d0 Ryder Lee   2020-04-25   89  		DEBUG_TXCMD = 62,
5517f78b0063d0 Ryder Lee   2020-04-25   90  		DEBUG_CMD_RPT_TX,
5517f78b0063d0 Ryder Lee   2020-04-25   91  		DEBUG_CMD_RPT_TRIG,
5517f78b0063d0 Ryder Lee   2020-04-25   92  		DEBUG_SPL,
5517f78b0063d0 Ryder Lee   2020-04-25   93  		DEBUG_RPT_RX,
5517f78b0063d0 Ryder Lee   2020-04-25   94  	} debug;
9b121acd4e853c Shayne Chen 2021-10-22   95  	int ret;
5517f78b0063d0 Ryder Lee   2020-04-25   96  
9b121acd4e853c Shayne Chen 2021-10-22   97  	dev->fw_debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
5517f78b0063d0 Ryder Lee   2020-04-25   98  
9b121acd4e853c Shayne Chen 2021-10-22   99  	ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, dev->fw_debug_wm);
9b121acd4e853c Shayne Chen 2021-10-22  100  	if (ret)
9b121acd4e853c Shayne Chen 2021-10-22  101  		return ret;
5517f78b0063d0 Ryder Lee   2020-04-25  102  
9b121acd4e853c Shayne Chen 2021-10-22  103  	for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) {
9b121acd4e853c Shayne Chen 2021-10-22  104  		ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, !!dev->fw_debug_wm);
9b121acd4e853c Shayne Chen 2021-10-22  105  		if (ret)
9b121acd4e853c Shayne Chen 2021-10-22  106  			return ret;
9b121acd4e853c Shayne Chen 2021-10-22  107  	}
5517f78b0063d0 Ryder Lee   2020-04-25  108  
90f5daea758abc Shayne Chen 2021-10-22  109  	/* WM CPU info record control */
90f5daea758abc Shayne Chen 2021-10-22  110  	mt76_clear(dev, MT_CPU_UTIL_CTRL, BIT(0));
90f5daea758abc Shayne Chen 2021-10-22 @111  	mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) | !dev->fw_debug_wm);
90f5daea758abc Shayne Chen 2021-10-22  112  	mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR, BIT(5));
90f5daea758abc Shayne Chen 2021-10-22  113  	mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_SOFT_ADDR, BIT(5));
90f5daea758abc Shayne Chen 2021-10-22  114  
5517f78b0063d0 Ryder Lee   2020-04-25  115  	return 0;
5517f78b0063d0 Ryder Lee   2020-04-25  116  }
5517f78b0063d0 Ryder Lee   2020-04-25  117  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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