linux-kernel - arch/sh/kernel/cpu/sh3/serial-sh7720.c:16:32: sparse: sparse: incorrect type in argument 1 (different base types)

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Message-ID: <202105150720.QWHbNPwi-lkp@intel.com>
Date:   Sat, 15 May 2021 07:56:30 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Subject: arch/sh/kernel/cpu/sh3/serial-sh7720.c:16:32: sparse: sparse:
 incorrect type in argument 1 (different base types)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   25a1298726e97b9d25379986f5d54d9e62ad6e93
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date:   9 months ago
config: sh-randconfig-s032-20210515 (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
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: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5fc436f06eef54ef512ea55a9db8eb9f2e76959
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e5fc436f06eef54ef512ea55a9db8eb9f2e76959
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=sh 

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


iwyu warnings: (new ones prefixed by >>)


vim +16 arch/sh/kernel/cpu/sh3/serial-sh7720.c

61a6976bf19a6cf Paul Mundt 2011-06-14   7  
61a6976bf19a6cf Paul Mundt 2011-06-14   8  static void sh7720_sci_init_pins(struct uart_port *port, unsigned int cflag)
61a6976bf19a6cf Paul Mundt 2011-06-14   9  {
61a6976bf19a6cf Paul Mundt 2011-06-14  10  	unsigned short data;
61a6976bf19a6cf Paul Mundt 2011-06-14  11  
61a6976bf19a6cf Paul Mundt 2011-06-14  12  	if (cflag & CRTSCTS) {
61a6976bf19a6cf Paul Mundt 2011-06-14  13  		/* enable RTS/CTS */
61a6976bf19a6cf Paul Mundt 2011-06-14  14  		if (port->mapbase == 0xa4430000) { /* SCIF0 */
61a6976bf19a6cf Paul Mundt 2011-06-14  15  			/* Clear PTCR bit 9-2; enable all scif pins but sck */
61a6976bf19a6cf Paul Mundt 2011-06-14 @16  			data = __raw_readw(PORT_PTCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  17  			__raw_writew((data & 0xfc03), PORT_PTCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  18  		} else if (port->mapbase == 0xa4438000) { /* SCIF1 */
61a6976bf19a6cf Paul Mundt 2011-06-14  19  			/* Clear PVCR bit 9-2 */
61a6976bf19a6cf Paul Mundt 2011-06-14  20  			data = __raw_readw(PORT_PVCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  21  			__raw_writew((data & 0xfc03), PORT_PVCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  22  		}
61a6976bf19a6cf Paul Mundt 2011-06-14  23  	} else {
61a6976bf19a6cf Paul Mundt 2011-06-14  24  		if (port->mapbase == 0xa4430000) { /* SCIF0 */
61a6976bf19a6cf Paul Mundt 2011-06-14  25  			/* Clear PTCR bit 5-2; enable only tx and rx  */
61a6976bf19a6cf Paul Mundt 2011-06-14  26  			data = __raw_readw(PORT_PTCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  27  			__raw_writew((data & 0xffc3), PORT_PTCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  28  		} else if (port->mapbase == 0xa4438000) { /* SCIF1 */
61a6976bf19a6cf Paul Mundt 2011-06-14  29  			/* Clear PVCR bit 5-2 */
61a6976bf19a6cf Paul Mundt 2011-06-14  30  			data = __raw_readw(PORT_PVCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  31  			__raw_writew((data & 0xffc3), PORT_PVCR);
61a6976bf19a6cf Paul Mundt 2011-06-14  32  		}
61a6976bf19a6cf Paul Mundt 2011-06-14  33  	}
61a6976bf19a6cf Paul Mundt 2011-06-14  34  }
61a6976bf19a6cf Paul Mundt 2011-06-14  35  

:::::: The code at line 16 was first introduced by commit
:::::: 61a6976bf19a6cf5dfcf37c3536665b316f22d49 serial: sh-sci: Abstract register maps.

:::::: TO: Paul Mundt <lethal@...ux-sh.org>
:::::: CC: Paul Mundt <lethal@...ux-sh.org>

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

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