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From: kernel test robot <lkp@intel.com>
To: Tony Lindgren <tony@atomide.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-omap@vger.kernel.org,
	Arthur Demchenkov <spinal.by@gmail.com>,
	Carl Philipp Klemm <philipp@uvos.xyz>,
	Merlijn Wajer <merlijn@wizzup.org>, Pavel Machek <pavel@ucw.cz>,
	ruleh <ruleh@gmx.de>, Sebastian Reichel <sre@kernel.org>
Subject: Re: [PATCH 3/4] Input: omap4-keypad - use PM runtime to check keys for errata
Date: Thu, 7 Jan 2021 00:22:08 +0800	[thread overview]
Message-ID: <202101070005.gGLhtbyg-lkp@intel.com> (raw)
In-Reply-To: <20210106125822.31315-4-tony@atomide.com>

[-- Attachment #1: Type: text/plain, Size: 10292 bytes --]

Hi Tony,

I love your patch! Perhaps something to improve:

[auto build test WARNING on input/next]
[also build test WARNING on linus/master v5.11-rc2 next-20210104]
[cannot apply to hid/for-next linux/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Tony-Lindgren/Lost-key-up-interrupt-handling-for-omap4-keypad/20210106-210045
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: s390-randconfig-r024-20210106 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5c951623bc8965fa1e89660f2f5f4a2944e4981a)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/0day-ci/linux/commit/69f44d8d3d1568dd3f330a46f6173a1bfc372ebd
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tony-Lindgren/Lost-key-up-interrupt-handling-for-omap4-keypad/20210106-210045
        git checkout 69f44d8d3d1568dd3f330a46f6173a1bfc372ebd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 

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

All warnings (new ones prefixed by >>):

   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:19:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x000000ffUL) << 24) |            \
                     ^
   In file included from drivers/input/keyboard/omap4-keypad.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:20:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x0000ff00UL) <<  8) |            \
                     ^
   In file included from drivers/input/keyboard/omap4-keypad.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:21:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0x00ff0000UL) >>  8) |            \
                     ^
   In file included from drivers/input/keyboard/omap4-keypad.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
           ___constant_swab32(x) :                 \
                              ^
   include/uapi/linux/swab.h:22:12: note: expanded from macro '___constant_swab32'
           (((__u32)(x) & (__u32)0xff000000UL) >> 24)))
                     ^
   In file included from drivers/input/keyboard/omap4-keypad.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:120:12: note: expanded from macro '__swab32'
           __fswab32(x))
                     ^
   In file included from drivers/input/keyboard/omap4-keypad.c:15:
   In file included from include/linux/io.h:13:
   In file included from arch/s390/include/asm/io.h:72:
   include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsb(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsw(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsl(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesb(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesw(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesl(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
>> drivers/input/keyboard/omap4-keypad.c:536:32: warning: unused variable 'omap4_keypad_pm_ops' [-Wunused-const-variable]
   static const struct dev_pm_ops omap4_keypad_pm_ops = {
                                  ^
   21 warnings generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MFD_SYSCON
   Depends on HAS_IOMEM
   Selected by
   - MTD_NAND_STM32_FMC2 && MTD && MTD_RAW_NAND && (MACH_STM32MP157 || COMPILE_TEST
   - MTD_NAND_MESON && MTD && MTD_RAW_NAND && (ARCH_MESON || COMPILE_TEST
   - POWER_RESET_OCELOT_RESET && POWER_RESET && (MSCC_OCELOT || COMPILE_TEST
   - INGENIC_TCU_IRQ && (MIPS || COMPILE_TEST
   - PHY_BCM_SR_PCIE && OF && (ARCH_BCM_IPROC || COMPILE_TEST
   - PHY_HI3660_USB && (ARCH_HISI && ARM64 || COMPILE_TEST
   - PHY_HISTB_COMBPHY && (ARCH_HISI && ARM64 || COMPILE_TEST
   - PHY_DA8XX_USB && (ARCH_DAVINCI_DA8XX || COMPILE_TEST
   WARNING: unmet direct dependencies detected for MFD_STM32_TIMERS
   Depends on HAS_IOMEM && (ARCH_STM32 && OF || COMPILE_TEST
   Selected by
   - STM32_ADC_CORE && IIO && (ARCH_STM32 || COMPILE_TEST && OF && REGULATOR


vim +/omap4_keypad_pm_ops +536 drivers/input/keyboard/omap4-keypad.c

   535	
 > 536	static const struct dev_pm_ops omap4_keypad_pm_ops = {
   537		SET_RUNTIME_PM_OPS(omap4_keypad_runtime_suspend, NULL, NULL)
   538	};
   539	

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

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  parent reply	other threads:[~2021-01-06 16:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-06 12:58 [PATCHv4 0/4] Lost key-up interrupt handling for omap4-keypad Tony Lindgren
2021-01-06 12:58 ` [PATCH 1/4] Input: omap4-keypad - disable unused long interrupts Tony Lindgren
2021-01-06 12:58 ` [PATCH 2/4] Input: omap4-keypad - scan keys in two phases and simplify with bitmask Tony Lindgren
2021-01-06 15:01   ` kernel test robot
2021-01-06 12:58 ` [PATCH 3/4] Input: omap4-keypad - use PM runtime to check keys for errata Tony Lindgren
2021-01-06 15:33   ` kernel test robot
2021-01-06 16:15   ` kernel test robot
2021-01-06 16:22   ` kernel test robot [this message]
2021-01-10  6:34   ` Dmitry Torokhov
2021-01-10 16:49     ` Tony Lindgren
2021-01-06 12:58 ` [PATCH 4/4] Input: omap4-keypad - simplify probe with devm Tony Lindgren
2021-01-06 13:43   ` Sebastian Reichel
2021-01-08  7:25     ` Tony Lindgren
2021-01-06 17:59   ` kernel test robot
2021-01-10  6:31   ` Dmitry Torokhov
2021-01-10 16:36     ` Tony Lindgren

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