Re: [PATCH v2 1/4] arm64: defconfig: Enable Librem 5 devkit components

[kernel test robot <lkp@intel.com>]

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In-Reply-To: <2f23f8a4fd7ccfbb4cacf933dcaebe7d38facdfe.1608216796.git.agx(a)sigxcpu.org>
References: <2f23f8a4fd7ccfbb4cacf933dcaebe7d38facdfe.1608216796.git.agx@sigxcpu.org>
TO: "Guido Günther" <agx@sigxcpu.org>
TO: Rob Herring <robh+dt@kernel.org>
TO: Shawn Guo <shawnguo@kernel.org>
TO: Sascha Hauer <s.hauer@pengutronix.de>
TO: Pengutronix Kernel Team <kernel@pengutronix.de>
TO: Fabio Estevam <festevam@gmail.com>
TO: NXP Linux Team <linux-imx@nxp.com>
TO: Catalin Marinas <catalin.marinas@arm.com>
TO: Will Deacon <will@kernel.org>
TO: Martin Kepplinger <martink@posteo.de>
TO: Angus Ainslie <angus@akkea.ca>

Hi "Guido,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20201217]
[cannot apply to robh/for-next arm64/for-next/core shawnguo/for-next v5.10 v5.10-rc7 v5.10-rc6 v5.10]
[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/Guido-G-nther/Config-and-device-tree-updates-for-the-Librem-5-devkit/20201217-231839
base:    90cc8cf2d1ab87d708ebc311ac104ccbbefad9fc
config: riscv-randconfig-r014-20201217 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/0day-ci/linux/commit/ac0db7178a552f39f5286499b7857a9d7e261051
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Guido-G-nther/Config-and-device-tree-updates-for-the-Librem-5-devkit/20201217-231839
        git checkout ac0db7178a552f39f5286499b7857a9d7e261051
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

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

Note: the linux-review/Guido-G-nther/Config-and-device-tree-updates-for-the-Librem-5-devkit/20201217-231839 HEAD 63dd5d489692c588221597924b6fbb9fdb16451a builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   include/asm-generic/io.h:564:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           return inw(addr);
                  ^~~~~~~~~
   arch/riscv/include/asm/io.h:56:76: note: expanded from macro 'inw'
   #define inw(c)          ({ u16 __v; __io_pbr(); __v = readw_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; })
                                                                           ~~~~~~~~~~ ^
   arch/riscv/include/asm/mmio.h:88:76: note: expanded from macro 'readw_cpu'
   #define readw_cpu(c)            ({ u16 __r = le16_to_cpu((__force __le16)__raw_readw(c)); __r; })
                                                                                        ^
   include/uapi/linux/byteorder/little_endian.h:36:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/mfd/tps65010.c:13:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:149:
   include/asm-generic/io.h:572:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           return inl(addr);
                  ^~~~~~~~~
   arch/riscv/include/asm/io.h:57:76: note: expanded from macro 'inl'
   #define inl(c)          ({ u32 __v; __io_pbr(); __v = readl_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; })
                                                                           ~~~~~~~~~~ ^
   arch/riscv/include/asm/mmio.h:89:76: note: expanded from macro 'readl_cpu'
   #define readl_cpu(c)            ({ u32 __r = le32_to_cpu((__force __le32)__raw_readl(c)); __r; })
                                                                                        ^
   include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/mfd/tps65010.c:13:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:149:
   include/asm-generic/io.h:580:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           outb(value, addr);
           ^~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/io.h:59:68: note: expanded from macro 'outb'
   #define outb(v,c)       ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); })
                                                                 ~~~~~~~~~~ ^
   arch/riscv/include/asm/mmio.h:91:52: note: expanded from macro 'writeb_cpu'
   #define writeb_cpu(v, c)        ((void)__raw_writeb((v), (c)))
                                                             ^
   In file included from drivers/mfd/tps65010.c:13:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:149:
   include/asm-generic/io.h:588:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           outw(value, addr);
           ^~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outw'
   #define outw(v,c)       ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); })
                                                                 ~~~~~~~~~~ ^
   arch/riscv/include/asm/mmio.h:92:76: note: expanded from macro 'writew_cpu'
   #define writew_cpu(v, c)        ((void)__raw_writew((__force u16)cpu_to_le16(v), (c)))
                                                                                     ^
   In file included from drivers/mfd/tps65010.c:13:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:149:
   include/asm-generic/io.h:596:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           outl(value, addr);
           ^~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/io.h:61:68: note: expanded from macro 'outl'
   #define outl(v,c)       ({ __io_pbw(); writel_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); })
                                                                 ~~~~~~~~~~ ^
   arch/riscv/include/asm/mmio.h:93:76: note: expanded from macro 'writel_cpu'
   #define writel_cpu(v, c)        ((void)__raw_writel((__force u32)cpu_to_le32(v), (c)))
                                                                                     ^
   In file included from drivers/mfd/tps65010.c:13:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:10:
   In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/riscv/include/asm/io.h:149:
   include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
                                                     ~~~~~~~~~~ ^
   7 warnings generated.
   /tmp/tps65010-703803.s: Assembler messages:
   /tmp/tps65010-703803.s:187: Error: unrecognized opcode `zext.b a2,a1'
   /tmp/tps65010-703803.s:247: Error: unrecognized opcode `zext.b a2,a2'
   /tmp/tps65010-703803.s:256: Error: unrecognized opcode `zext.b a2,a2'
   /tmp/tps65010-703803.s:420: Error: unrecognized opcode `zext.b a2,s2'
>> /tmp/tps65010-703803.s:466: Error: unrecognized opcode `zext.b a2,s3'
   /tmp/tps65010-703803.s:758: Error: unrecognized opcode `zext.b a0,a0'
   /tmp/tps65010-703803.s:800: Error: unrecognized opcode `zext.b a2,a0'
   /tmp/tps65010-703803.s:963: Error: unrecognized opcode `zext.b a1,a1'
   /tmp/tps65010-703803.s:985: Error: unrecognized opcode `zext.b a2,a1'
   /tmp/tps65010-703803.s:1073: Error: unrecognized opcode `zext.b a2,a1'
   /tmp/tps65010-703803.s:1380: Error: unrecognized opcode `zext.b a1,a0'
   /tmp/tps65010-703803.s:1509: Error: unrecognized opcode `zext.b a3,a0'
   /tmp/tps65010-703803.s:1625: Error: unrecognized opcode `zext.b a3,a0'
   /tmp/tps65010-703803.s:1699: Error: unrecognized opcode `zext.b a3,a0'
   /tmp/tps65010-703803.s:1795: Error: unrecognized opcode `zext.b a3,a0'
   /tmp/tps65010-703803.s:1862: Error: unrecognized opcode `zext.b a3,a0'
   /tmp/tps65010-703803.s:1886: Error: unrecognized opcode `zext.b a2,a0'
   /tmp/tps65010-703803.s:1895: Error: unrecognized opcode `zext.b a2,a0'
   /tmp/tps65010-703803.s:1904: Error: unrecognized opcode `zext.b a2,a0'
   /tmp/tps65010-703803.s:1948: Error: unrecognized opcode `zext.b a3,s1'
   /tmp/tps65010-703803.s:1949: Error: unrecognized opcode `zext.b a4,a0'
   /tmp/tps65010-703803.s:1977: Error: unrecognized opcode `zext.b a3,s1'
   /tmp/tps65010-703803.s:1978: Error: unrecognized opcode `zext.b a4,a0'
   /tmp/tps65010-703803.s:1994: Error: unrecognized opcode `zext.b a2,s1'
   /tmp/tps65010-703803.s:1995: Error: unrecognized opcode `zext.b a3,a0'
   clang-12: error: assembler command failed with exit code 1 (use -v to see invocation)

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

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