arch/arm/mach-omap1/board-ams-delta.c:689:9: sparse: sparse: incorrect type in argument 1 (different base types)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d6b63b5b7d7f363c6a54421533791e9849adf2e0
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date:   10 months ago
config: arm-randconfig-s032-20210702 (attached as .config)
compiler: arm-linux-gnueabi-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__' ARCH=arm 

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


sparse warnings: (new ones prefixed by >>)
>> arch/arm/mach-omap1/board-ams-delta.c:689:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const volatile [noderef] __iomem *ptr @@     got unsigned int @@
   arch/arm/mach-omap1/board-ams-delta.c:689:9: sparse:     expected void const volatile [noderef] __iomem *ptr
   arch/arm/mach-omap1/board-ams-delta.c:689:9: sparse:     got unsigned int

vim +689 arch/arm/mach-omap1/board-ams-delta.c

97abda99a56949 Janusz Krzysztofik 2018-06-22  657  
1464d031c45da4 Janusz Krzysztofik 2018-09-10  658  /*
1464d031c45da4 Janusz Krzysztofik 2018-09-10  659   * Initialize latch2 pins with values which are safe for dependent on-board
1464d031c45da4 Janusz Krzysztofik 2018-09-10  660   * devices or useful for their successull initialization even before GPIO
1464d031c45da4 Janusz Krzysztofik 2018-09-10  661   * driver takes control over the latch pins:
1464d031c45da4 Janusz Krzysztofik 2018-09-10  662   * - LATCH2_PIN_LCD_VBLEN	= 0
1464d031c45da4 Janusz Krzysztofik 2018-09-10  663   * - LATCH2_PIN_LCD_NDISP	= 0	Keep LCD device powered off before its
1464d031c45da4 Janusz Krzysztofik 2018-09-10  664   *					driver takes control over it.
1464d031c45da4 Janusz Krzysztofik 2018-09-10  665   * - LATCH2_PIN_NAND_NCE	= 0
1464d031c45da4 Janusz Krzysztofik 2018-09-10  666   * - LATCH2_PIN_NAND_NWP	= 0	Keep NAND device down and write-
1464d031c45da4 Janusz Krzysztofik 2018-09-10  667   *					protected before its driver takes
1464d031c45da4 Janusz Krzysztofik 2018-09-10  668   *					control over it.
1464d031c45da4 Janusz Krzysztofik 2018-09-10  669   * - LATCH2_PIN_KEYBRD_PWR	= 0	Keep keyboard powered off before serio
1464d031c45da4 Janusz Krzysztofik 2018-09-10  670   *					driver takes control over it.
1464d031c45da4 Janusz Krzysztofik 2018-09-10  671   * - LATCH2_PIN_KEYBRD_DATAOUT	= 0	Keep low to avoid corruption of first
1464d031c45da4 Janusz Krzysztofik 2018-09-10  672   *					byte of data received from attached
1464d031c45da4 Janusz Krzysztofik 2018-09-10  673   *					keyboard when serio device is probed;
1464d031c45da4 Janusz Krzysztofik 2018-09-10  674   *					the pin is also hogged low by the latch2
1464d031c45da4 Janusz Krzysztofik 2018-09-10  675   *					GPIO driver as soon as it is ready.
1464d031c45da4 Janusz Krzysztofik 2018-09-10  676   * - LATCH2_PIN_MODEM_NRESET	= 1	Enable voice MODEM device, allowing for
1464d031c45da4 Janusz Krzysztofik 2018-09-10  677   *					its successful probe even before a
1464d031c45da4 Janusz Krzysztofik 2018-09-10  678   *					regulator it depends on, which in turn
1464d031c45da4 Janusz Krzysztofik 2018-09-10  679   *					takes control over the pin, is set up.
1464d031c45da4 Janusz Krzysztofik 2018-09-10  680   * - LATCH2_PIN_MODEM_CODEC	= 1	Attach voice MODEM CODEC data port
1464d031c45da4 Janusz Krzysztofik 2018-09-10  681   *					to the MODEM so the CODEC is under
1464d031c45da4 Janusz Krzysztofik 2018-09-10  682   *					control even if audio driver doesn't
1464d031c45da4 Janusz Krzysztofik 2018-09-10  683   *					take it over.
1464d031c45da4 Janusz Krzysztofik 2018-09-10  684   */
1464d031c45da4 Janusz Krzysztofik 2018-09-10  685  static void __init ams_delta_latch2_init(void)
1464d031c45da4 Janusz Krzysztofik 2018-09-10  686  {
1464d031c45da4 Janusz Krzysztofik 2018-09-10  687  	u16 latch2 = 1 << LATCH2_PIN_MODEM_NRESET | 1 << LATCH2_PIN_MODEM_CODEC;
1464d031c45da4 Janusz Krzysztofik 2018-09-10  688  
1464d031c45da4 Janusz Krzysztofik 2018-09-10 @689  	__raw_writew(latch2, LATCH2_VIRT);
97abda99a56949 Janusz Krzysztofik 2018-06-22  690  }
97abda99a56949 Janusz Krzysztofik 2018-06-22  691  

:::::: The code at line 689 was first introduced by commit
:::::: 1464d031c45da44da6988623c0978b63241df40b ARM: OMAP1: ams-delta: initialize latch2 pins to safe values

:::::: TO: Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx>
:::::: CC: Tony Lindgren <tony@xxxxxxxxxxx>

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

Attachment: .config.gz
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