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From: kernel test robot <lkp@intel.com>
To: Damien Le Moal <damien.lemoal@wdc.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	linux-riscv@lists.infradead.org, Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	devicetree@vger.kernel.org, Serge Semin <fancer.lancer@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	linux-spi@vger.kernel.org, Stephen Boyd <sboyd@kernel.org>,
	linux-clk@vger.kernel.org
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com
Subject: Re: [PATCH 20/32] riscv: Add Kendryte K210 FPIOA pinctrl driver
Date: Sun, 15 Nov 2020 08:28:13 +0800	[thread overview]
Message-ID: <202011150831.YZLE89Cg-lkp@intel.com> (raw)
In-Reply-To: <20201107081420.60325-21-damien.lemoal@wdc.com>

[-- Attachment #1: Type: text/plain, Size: 9715 bytes --]

Hi Damien,

I love your patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on spi/for-next pza/reset/next v5.10-rc3]
[cannot apply to linus/master next-20201113]
[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/Damien-Le-Moal/RISC-V-Kendryte-K210-support-improvments/20201109-095540
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: riscv-randconfig-r026-20201109 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 09ec07827b1128504457a93dee80b2ceee1af600)
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/b53c7c4d3b5b4658b4951955fd69c0ceb4bfac4d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Damien-Le-Moal/RISC-V-Kendryte-K210-support-improvments/20201109-095540
        git checkout b53c7c4d3b5b4658b4951955fd69c0ceb4bfac4d
        # 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>

All warnings (new ones prefixed by >>):

   In file included from drivers/pinctrl/pinctrl-k210.c:6:
   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:556:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           return inb(addr);
                  ^~~~~~~~~
   arch/riscv/include/asm/io.h:55:76: note: expanded from macro 'inb'
   #define inb(c)          ({ u8  __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; })
                                                                           ~~~~~~~~~~ ^
   arch/riscv/include/asm/mmio.h:87:48: note: expanded from macro 'readb_cpu'
   #define readb_cpu(c)            ({ u8  __r = __raw_readb(c); __r; })
                                                            ^
   In file included from drivers/pinctrl/pinctrl-k210.c:6:
   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: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/pinctrl/pinctrl-k210.c:6:
   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/pinctrl/pinctrl-k210.c:6:
   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/pinctrl/pinctrl-k210.c:6:
   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/pinctrl/pinctrl-k210.c:6:
   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/pinctrl/pinctrl-k210.c:6:
   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;
                                                     ~~~~~~~~~~ ^
   drivers/pinctrl/pinctrl-k210.c:135:2: error: initializer element is not a compile-time constant
           K210_PIN_NAME(0),  K210_PIN_NAME(1),  K210_PIN_NAME(2),
           ^~~~~~~~~~~~~~~~
   drivers/pinctrl/pinctrl-k210.c:132:45: note: expanded from macro 'K210_PIN_NAME'
   #define K210_PIN_NAME(i)        [i] = k210_pins[i].name
                                         ~~~~~~~~~~~~~^~~~
>> drivers/pinctrl/pinctrl-k210.c:848:5: warning: no previous prototype for function 'k210_pinctrl_dt_node_to_map' [-Wmissing-prototypes]
   int k210_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
       ^
   drivers/pinctrl/pinctrl-k210.c:848:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int k210_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
   ^
   static 
   8 warnings and 1 error generated.

vim +/k210_pinctrl_dt_node_to_map +848 drivers/pinctrl/pinctrl-k210.c

   847	
 > 848	int k210_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
   849				struct device_node *np_config,
   850				struct pinctrl_map **map, unsigned int *num_maps)
   851	{
   852		unsigned int reserved_maps;
   853		struct device_node *np;
   854		int ret;
   855	
   856		reserved_maps = 0;
   857		*map = NULL;
   858		*num_maps = 0;
   859	
   860		ret = k210_pinctrl_dt_subnode_to_map(pctldev, np_config, map,
   861						     &reserved_maps, num_maps);
   862		if (ret < 0)
   863			goto err;
   864	
   865		for_each_available_child_of_node(np_config, np) {
   866			ret = k210_pinctrl_dt_subnode_to_map(pctldev, np, map,
   867							     &reserved_maps, num_maps);
   868			if (ret < 0)
   869				goto err;
   870		}
   871		return 0;
   872	
   873	err:
   874		pinctrl_utils_free_map(pctldev, *map, *num_maps);
   875		return ret;
   876	}
   877	

---
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:[~2020-11-15  0:29 UTC|newest]

Thread overview: 129+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-07  8:13 [PATCH 00/32] RISC-V Kendryte K210 support improvments Damien Le Moal
2020-11-07  8:13 ` [PATCH 01/32] of: Fix property supplier parsing Damien Le Moal
2020-11-09 15:05   ` Serge Semin
2020-11-09 15:14   ` Andy Shevchenko
2020-11-09 17:44     ` Serge Semin
2020-11-09 20:52       ` Rob Herring
2020-11-16  7:30       ` Damien Le Moal
2020-11-16 22:06         ` Serge Semin
2020-11-07  8:13 ` [PATCH 02/32] spi: dw: Add support for 32-bits ctrlr0 layout Damien Le Moal
2020-11-07 13:28   ` Sean Anderson
2020-11-09 14:25   ` Serge Semin
2020-11-09 14:33     ` Sean Anderson
2020-11-09 14:35       ` Sean Anderson
2020-11-09 14:40       ` Andy Shevchenko
2020-11-09 14:41         ` Andy Shevchenko
2020-11-09 14:49           ` Sean Anderson
2020-11-09 15:10             ` Andy Shevchenko
2020-11-09 14:36     ` Andy Shevchenko
2020-11-09 17:56       ` Serge Semin
2020-11-07  8:13 ` [PATCH 03/32] spi: dw: Fix driving MOSI low while recieving Damien Le Moal
2020-11-07 13:30   ` Sean Anderson
2020-11-09 13:29   ` Mark Brown
2020-11-09 13:47     ` Sean Anderson
2020-11-09 14:14       ` Mark Brown
2020-11-09 14:48         ` Serge Semin
2020-11-09 16:45           ` Mark Brown
2020-11-09 19:19         ` Serge Semin
2020-11-09 19:40           ` Sean Anderson
2020-11-09 20:17             ` Serge Semin
2020-11-09 20:29               ` Mark Brown
2020-11-09 20:20           ` Mark Brown
2020-11-09 21:05             ` Serge Semin
2020-11-10 13:43               ` Mark Brown
2020-11-07  8:13 ` [PATCH 04/32] spi: dw: Introduce polling device tree property Damien Le Moal
2020-11-09 16:04   ` Mark Brown
2020-11-09 19:59   ` Serge Semin
2020-11-07  8:13 ` [PATCH 05/32] spi: dw: Introduce DW_SPI_CAP_POLL_NODELAY Damien Le Moal
2020-11-09 14:03   ` Mark Brown
2020-11-09 20:45   ` Serge Semin
2020-11-07  8:13 ` [PATCH 06/32] spi: dw: Add support for the Kendryte K210 SoC Damien Le Moal
2020-11-07 13:31   ` Sean Anderson
2020-11-07 13:42     ` Damien Le Moal
2020-11-07 13:52       ` Sean Anderson
2020-11-09 14:15         ` Mark Brown
2020-11-09 21:21   ` Serge Semin
2020-11-09 21:39     ` Damien Le Moal
2020-11-09 21:55       ` Rob Herring
2020-11-09 22:00         ` Damien Le Moal
2020-11-09 23:07           ` Rob Herring
2020-11-10  0:35             ` Damien Le Moal
2020-11-07  8:13 ` [PATCH 07/32] dt-bindings: Update DW SPI device tree bindings Damien Le Moal
2020-11-07  8:13 ` [PATCH 08/32] riscv: Fix kernel time_init() Damien Le Moal
2020-11-12  7:21   ` Atish Patra
2020-11-13  7:31   ` Stephen Boyd
2020-11-13  7:40     ` Damien Le Moal
2020-11-13  7:53       ` Stephen Boyd
2020-11-13  7:57         ` Damien Le Moal
2020-11-13  8:11           ` Stephen Boyd
2020-11-13  8:23             ` Damien Le Moal
2020-11-16  7:06               ` Stephen Boyd
2020-11-07  8:13 ` [PATCH 09/32] riscv: Fix SiFive gpio probe Damien Le Moal
2020-11-10 14:39   ` Linus Walleij
2020-11-07  8:13 ` [PATCH 10/32] riscv: Fix sifive serial driver Damien Le Moal
2020-11-07  8:13 ` [PATCH 11/32] riscv: Enable interrupts during syscalls with M-Mode Damien Le Moal
2020-11-07  8:14 ` [PATCH 12/32] riscv: Automatically select sysctl config options Damien Le Moal
2020-11-07  8:14 ` [PATCH 13/32] riscv: Fix builtin DTB handling Damien Le Moal
2020-11-15  4:17   ` kernel test robot
2020-11-07  8:14 ` [PATCH 14/32] dt-bindings: Define all Kendryte K210 clock IDs Damien Le Moal
2020-11-07 13:33   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 15/32] dt-bindings: Define Kendryte K210 sysctl registers Damien Le Moal
2020-11-07 13:34   ` Sean Anderson
2020-11-09 21:59   ` Rob Herring
2020-11-09 22:10     ` Sean Anderson
2020-11-09 23:01       ` Rob Herring
2020-11-07  8:14 ` [PATCH 16/32] dt-bindings: Define Kendryte K210 pin functions Damien Le Moal
2020-11-07 13:38   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 17/32] dt-bindings: Define Kendryte K210 reset signals Damien Le Moal
2020-11-07 13:38   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 18/32] riscv: Add Kendryte K210 SoC clock driver Damien Le Moal
2020-11-07 13:48   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 19/32] riscv: Add Kendryte K210 SoC reset controller Damien Le Moal
2020-11-07 13:58   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 20/32] riscv: Add Kendryte K210 FPIOA pinctrl driver Damien Le Moal
2020-11-09 18:48   ` kernel test robot
2020-11-15  0:28   ` kernel test robot [this message]
2020-11-24  8:43   ` Linus Walleij
2020-11-24  8:53     ` Damien Le Moal
2020-11-29 21:33       ` Linus Walleij
2020-11-30  3:13         ` Damien Le Moal
2020-11-30  7:05           ` Serge Semin
2020-11-30  7:27             ` Damien Le Moal
2020-11-24  8:56     ` Damien Le Moal
2020-11-07  8:14 ` [PATCH 21/32] dt-bindings: Add Kendryte and Canaan vendor prefix Damien Le Moal
2020-11-07 14:03   ` Sean Anderson
2020-11-13  8:17     ` Damien Le Moal
2020-11-09 22:01   ` Rob Herring
2020-11-09 22:04     ` Damien Le Moal
2020-11-07  8:14 ` [PATCH 22/32] dt-binding: Document kendryte,k210-sysctl bindings Damien Le Moal
2020-11-07 14:05   ` Sean Anderson
2020-11-09 15:32   ` Rob Herring
2020-11-07  8:14 ` [PATCH 23/32] dt-binding: Document kendryte,k210-clk bindings Damien Le Moal
2020-11-07 14:05   ` Sean Anderson
2020-11-09 21:58   ` Rob Herring
2020-11-07  8:14 ` [PATCH 24/32] dt-bindings: Document kendryte,k210-fpioa bindings Damien Le Moal
2020-11-07 14:06   ` Sean Anderson
2020-11-09 15:32   ` Rob Herring
2020-11-09 15:36   ` Rob Herring
2020-11-09 15:45     ` Sean Anderson
2020-11-11 14:32       ` Rob Herring
2020-11-11 15:06         ` Damien Le Moal
2020-11-12 11:03           ` Damien Le Moal
2020-11-19 10:57       ` Geert Uytterhoeven
2020-11-19 11:22         ` Damien Le Moal
2020-11-07  8:14 ` [PATCH 25/32] dt-bindings: Document kendryte,k210-rst bindings Damien Le Moal
2020-11-07 14:07   ` Sean Anderson
2020-11-09 15:37   ` Rob Herring
2020-11-09 15:41   ` Rob Herring
2020-11-07  8:14 ` [PATCH 26/32] riscv: Update Kendryte K210 device tree Damien Le Moal
2020-11-07 14:08   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 27/32] riscv: Add SiPeed MAIX BiT board " Damien Le Moal
2020-11-07 14:13   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 28/32] riscv: Add SiPeed MAIX DOCK " Damien Le Moal
2020-11-07  8:14 ` [PATCH 29/32] riscv: Add SiPeed MAIX GO " Damien Le Moal
2020-11-07  8:14 ` [PATCH 30/32] riscv: Add SiPeed MAIXDUINO " Damien Le Moal
2020-11-07 14:14   ` Sean Anderson
2020-11-07  8:14 ` [PATCH 31/32] riscv: Add Kendryte KD233 " Damien Le Moal
2020-11-07  8:14 ` [PATCH 32/32] riscv: Update Kendryte K210 defconfig Damien Le Moal
2020-11-09 12:51 ` [PATCH 00/32] RISC-V Kendryte K210 support improvments Mark Brown
2020-11-09 12:55   ` Damien Le Moal

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