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Message-ID: <202302120733.XDmW1EeP-lkp@intel.com>
Date:   Sun, 12 Feb 2023 07:55:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>,
        Michael Schmitz <schmitzmic@...il.com>
Subject: drivers/tty/ipwireless/hardware.c:431:25: sparse: sparse: incorrect
 type in initializer (different base types)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   47e9aa14ce5abca70d6584a8d8213707d197c38e
commit: 30b5e6ef4a32ea4985b99200e06d6660a69f9246 m68k: atari: Make Atari ROM port I/O write macros return void
date:   9 months ago
config: m68k-randconfig-s033-20230212 (https://download.01.org/0day-ci/archive/20230212/202302120733.XDmW1EeP-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30b5e6ef4a32ea4985b99200e06d6660a69f9246
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 30b5e6ef4a32ea4985b99200e06d6660a69f9246
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash drivers/tty/ipwireless/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302120733.XDmW1EeP-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/tty/ipwireless/hardware.c:431:25: sparse: sparse: cast from restricted __le16
   drivers/tty/ipwireless/hardware.c:431:25: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned short [usertype] val @@     got restricted __le16 [assigned] [usertype] raw_data @@
   drivers/tty/ipwireless/hardware.c:431:25: sparse:     expected unsigned short [usertype] val
   drivers/tty/ipwireless/hardware.c:431:25: sparse:     got restricted __le16 [assigned] [usertype] raw_data
   drivers/tty/ipwireless/hardware.c:431:25: sparse: sparse: cast from restricted __le16
   drivers/tty/ipwireless/hardware.c:431:25: sparse: sparse: cast from restricted __le16
>> drivers/tty/ipwireless/hardware.c:431:25: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned short [unused] [usertype] __v @@     got restricted __le16 [assigned] [usertype] raw_data @@
   drivers/tty/ipwireless/hardware.c:431:25: sparse:     expected unsigned short [unused] [usertype] __v
   drivers/tty/ipwireless/hardware.c:431:25: sparse:     got restricted __le16 [assigned] [usertype] raw_data
>> drivers/tty/ipwireless/hardware.c:431:25: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned short [unused] [usertype] __v @@     got restricted __le16 [assigned] [usertype] raw_data @@
   drivers/tty/ipwireless/hardware.c:431:25: sparse:     expected unsigned short [unused] [usertype] __v
   drivers/tty/ipwireless/hardware.c:431:25: sparse:     got restricted __le16 [assigned] [usertype] raw_data
   drivers/tty/ipwireless/hardware.c:445:25: sparse: sparse: cast from restricted __le16
   drivers/tty/ipwireless/hardware.c:445:25: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned short [usertype] val @@     got restricted __le16 [assigned] [usertype] raw_data @@
   drivers/tty/ipwireless/hardware.c:445:25: sparse:     expected unsigned short [usertype] val
   drivers/tty/ipwireless/hardware.c:445:25: sparse:     got restricted __le16 [assigned] [usertype] raw_data
   drivers/tty/ipwireless/hardware.c:445:25: sparse: sparse: cast from restricted __le16
   drivers/tty/ipwireless/hardware.c:445:25: sparse: sparse: cast from restricted __le16
   drivers/tty/ipwireless/hardware.c:445:25: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned short [unused] [usertype] __v @@     got restricted __le16 [assigned] [usertype] raw_data @@
   drivers/tty/ipwireless/hardware.c:445:25: sparse:     expected unsigned short [unused] [usertype] __v
   drivers/tty/ipwireless/hardware.c:445:25: sparse:     got restricted __le16 [assigned] [usertype] raw_data
   drivers/tty/ipwireless/hardware.c:445:25: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned short [unused] [usertype] __v @@     got restricted __le16 [assigned] [usertype] raw_data @@
   drivers/tty/ipwireless/hardware.c:445:25: sparse:     expected unsigned short [unused] [usertype] __v
   drivers/tty/ipwireless/hardware.c:445:25: sparse:     got restricted __le16 [assigned] [usertype] raw_data
   drivers/tty/ipwireless/hardware.c:863:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:863:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:863:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:863:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:872:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:872:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:872:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:872:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:872:43: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __le16 [usertype] raw_data @@     got int @@
   drivers/tty/ipwireless/hardware.c:872:43: sparse:     expected restricted __le16 [usertype] raw_data
   drivers/tty/ipwireless/hardware.c:872:43: sparse:     got int
   drivers/tty/ipwireless/hardware.c:879:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:879:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:879:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:879:23: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:889:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:889:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:889:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:889:43: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:889:43: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __le16 [usertype] raw_data @@     got int @@
   drivers/tty/ipwireless/hardware.c:889:43: sparse:     expected restricted __le16 [usertype] raw_data
   drivers/tty/ipwireless/hardware.c:889:43: sparse:     got int
   drivers/tty/ipwireless/hardware.c:897:25: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:897:25: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:897:25: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:897:25: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1051:24: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1051:24: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1051:24: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1051:24: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1062:16: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1062:16: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1062:16: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1062:16: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1607:24: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1607:24: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1607:24: sparse: sparse: cast to restricted __le16
   drivers/tty/ipwireless/hardware.c:1607:24: sparse: sparse: cast to restricted __le16

vim +431 drivers/tty/ipwireless/hardware.c

d54c2752f6bb6c drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  403  
93110f698fe92f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  404  static void do_send_fragment(struct ipw_hardware *hw, unsigned char *data,
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  405  			    unsigned length)
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  406  {
d4c0deb7009217 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  407  	unsigned i;
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  408  	unsigned long flags;
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  409  
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  410  	start_timing();
93110f698fe92f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  411  	BUG_ON(length > hw->ll_mtu);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  412  
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  413  	if (ipwireless_debug)
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  414  		dump_data_bytes("send", data, length);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  415  
63c4dbd1023b9a drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  416  	spin_lock_irqsave(&hw->lock, flags);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  417  
eb4e545d4ac82d drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-06-06  418  	hw->tx_ready = 0;
d54c2752f6bb6c drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  419  	swap_packet_bitfield_to_le(data);
eb4e545d4ac82d drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-06-06  420  
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  421  	if (hw->hw_version == HW_VERSION_1) {
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  422  		outw((unsigned short) length, hw->base_port + IODWR);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  423  
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  424  		for (i = 0; i < length; i += 2) {
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  425  			unsigned short d = data[i];
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  426  			__le16 raw_data;
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  427  
d4c0deb7009217 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  428  			if (i + 1 < length)
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  429  				d |= data[i + 1] << 8;
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  430  			raw_data = cpu_to_le16(d);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 @431  			outw(raw_data, hw->base_port + IODWR);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  432  		}
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  433  
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  434  		outw(DCR_TXDONE, hw->base_port + IODCR);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  435  	} else if (hw->hw_version == HW_VERSION_2) {
2e713165f892c8 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  436  		outw((unsigned short) length, hw->base_port);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  437  
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  438  		for (i = 0; i < length; i += 2) {
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  439  			unsigned short d = data[i];
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  440  			__le16 raw_data;
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  441  
d4c0deb7009217 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  442  			if (i + 1 < length)
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  443  				d |= data[i + 1] << 8;
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  444  			raw_data = cpu_to_le16(d);
2e713165f892c8 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  445  			outw(raw_data, hw->base_port);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  446  		}
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  447  		while ((i & 3) != 2) {
2e713165f892c8 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  448  			outw((unsigned short) 0xDEAD, hw->base_port);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  449  			i += 2;
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  450  		}
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  451  		writew(MEMRX_RX, &hw->memory_info_regs->memreg_rx);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  452  	}
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  453  
63c4dbd1023b9a drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28  454  	spin_unlock_irqrestore(&hw->lock, flags);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  455  
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  456  	end_write_timing(length);
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  457  }
099dc4fb62653f drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07  458  

:::::: The code at line 431 was first introduced by commit
:::::: 099dc4fb62653f6019d78db55fba7a18ef02d65b ipwireless: driver for PC Card 3G/UMTS modem

:::::: TO: David Sterba <dsterba@...e.cz>
:::::: CC: Linus Torvalds <torvalds@...dy.linux-foundation.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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