[nbd168-wireless:mt76 35/40] drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2959:44: sparse: sparse: incorrect type in argument 1 (different base types)

[nbd168-wireless:mt76 35/40] drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2959:44: sparse: sparse: incorrect type in argument 1 (different base types)

[kbuild test robot]

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tree:   https://github.com/nbd168/wireless mt76
head:   ff13e4b9ee7594866c49fe6418c7640570bf1582
commit: cbfcdc7fdd917e304d5dda7a16a157304cc5e6bd [35/40] mt76: mt7615: add support for applying DC offset calibration from EEPROM
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-191-gc51a0382-dirty
        git checkout cbfcdc7fdd917e304d5dda7a16a157304cc5e6bd
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

   drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2953:28: sparse: sparse: restricted __le16 degrades to integer
   drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2954:33: sparse: sparse: bad assignment (-=) to restricted __le16
>> drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2959:44: sparse: sparse: incorrect type in argument 1 (different base types) @@    expected unsigned short [assigned] [usertype] freq @@    got resunsigned short [assigned] [usertype] freq @@
   drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2959:44: sparse:    expected unsigned short [assigned] [usertype] freq
   drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2959:44: sparse:    got restricted __le16 [assigned] [usertype] center_freq
>> drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2975:33: sparse: sparse: incorrect type in assignment (different base types) @@    expected restricted __le16 [addressable] [assigned] [usertype] center_freq @@    got ed] [usertype] center_freq @@
   drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2975:33: sparse:    expected restricted __le16 [addressable] [assigned] [usertype] center_freq
   drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:2975:33: sparse:    got int [assigned] freq2

vim +2959 drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

  2910	
  2911	int mt7615_mcu_apply_rx_dcoc(struct mt7615_phy *phy)
  2912	{
  2913		struct mt7615_dev *dev = phy->dev;
  2914		struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
  2915		int freq2 = chandef->center_freq2;
  2916		int ret;
  2917		struct {
  2918			u8 direction;
  2919			u8 runtime_calibration;
  2920			u8 _rsv[2];
  2921	
  2922			__le16 center_freq;
  2923			u8 bw;
  2924			u8 band;
  2925			u8 is_freq2;
  2926			u8 success;
  2927			u8 dbdc_en;
  2928	
  2929			u8 _rsv2;
  2930	
  2931			struct {
  2932				__le32 sx0_i_lna[4];
  2933				__le32 sx0_q_lna[4];
  2934	
  2935				__le32 sx2_i_lna[4];
  2936				__le32 sx2_q_lna[4];
  2937			} dcoc_data[4];
  2938		} req = {
  2939			.direction = 1,
  2940	
  2941			.center_freq = cpu_to_le16(chandef->center_freq1),
  2942			.bw = mt7615_mcu_chan_bw(chandef),
  2943			.band = chandef->center_freq1 > 4000,
  2944			.dbdc_en = !!dev->mt76.phy2,
  2945		};
  2946		int freq_idx;
  2947		u8 *eep = dev->mt76.eeprom.data;
  2948	
  2949		if (!(eep[MT_EE_CALDATA_FLASH] & MT_EE_CALDATA_FLASH_RX_CAL))
  2950			return 0;
  2951	
  2952		if (chandef->width == NL80211_CHAN_WIDTH_160) {
  2953			freq2 = req.center_freq + 40;
  2954			req.center_freq -= 40;
  2955		}
  2956	
  2957	again:
  2958		req.runtime_calibration = 1;
> 2959		freq_idx = mt7615_dcoc_freq_idx(req.center_freq, chandef->width);
  2960		if (freq_idx < 0)
  2961			goto out;
  2962	
  2963		memcpy(req.dcoc_data, eep + MT7615_EEPROM_DCOC_OFFSET +
  2964				      freq_idx * MT7615_EEPROM_DCOC_SIZE,
  2965		       sizeof(req.dcoc_data));
  2966		req.runtime_calibration = 0;
  2967	
  2968	out:
  2969		ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RXDCOC_CAL, &req,
  2970					  sizeof(req), true);
  2971	
  2972		if ((chandef->width == NL80211_CHAN_WIDTH_80P80 ||
  2973		     chandef->width == NL80211_CHAN_WIDTH_160) && !req.is_freq2) {
  2974			req.is_freq2 = true;
> 2975			req.center_freq = freq2;

---
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