* Re: [PATCH 6/7] pinctrl: pinmux: Introduce API to check if a pin is requested
[not found] <20241017113942.139712-7-prabhakar.mahadev-lad.rj@bp.renesas.com>
@ 2024-10-21 2:48 ` kernel test robot
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From: kernel test robot @ 2024-10-21 2:48 UTC (permalink / raw)
To: Prabhakar, Linus Walleij, Geert Uytterhoeven, Magnus Damm,
Rob Herring, Krzysztof Kozlowski, Conor Dooley
Cc: llvm, oe-kbuild-all, linux-kernel, devicetree, linux-gpio,
linux-renesas-soc, Prabhakar, Biju Das, Fabrizio Castro,
Lad Prabhakar
Hi Prabhakar,
kernel test robot noticed the following build warnings:
[auto build test WARNING on geert-renesas-drivers/renesas-pinctrl]
[also build test WARNING on linusw-pinctrl/devel linusw-pinctrl/for-next geert-renesas-devel/next linus/master v6.12-rc4 next-20241018]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Prabhakar/arm64-dts-renesas-rzg3s-smarc-Drop-hogging-of-GPIO-pins/20241017-194200
base: https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-pinctrl
patch link: https://lore.kernel.org/r/20241017113942.139712-7-prabhakar.mahadev-lad.rj%40bp.renesas.com
patch subject: [PATCH 6/7] pinctrl: pinmux: Introduce API to check if a pin is requested
config: hexagon-randconfig-001-20241021 (https://download.01.org/0day-ci/archive/20241021/202410211007.sFKERNFY-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bfe84f7085d82d06d61c632a7bad1e692fd159e4)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241021/202410211007.sFKERNFY-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410211007.sFKERNFY-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/pinctrl/core.c:28:
In file included from include/linux/gpio/driver.h:8:
In file included from include/linux/irqchip/chained_irq.h:10:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/pinctrl/core.c:28:
In file included from include/linux/gpio/driver.h:8:
In file included from include/linux/irqchip/chained_irq.h:10:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/pinctrl/core.c:28:
In file included from include/linux/gpio/driver.h:8:
In file included from include/linux/irqchip/chained_irq.h:10:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/pinctrl/core.c:38:
>> drivers/pinctrl/pinmux.h:104:6: warning: no previous prototype for function 'pin_requested' [-Wmissing-prototypes]
104 | bool pin_requested(struct pinctrl_dev *pctldev, int pin)
| ^
drivers/pinctrl/pinmux.h:104:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
104 | bool pin_requested(struct pinctrl_dev *pctldev, int pin)
| ^
| static
7 warnings generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for MODVERSIONS
Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y]
Selected by [y]:
- RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y]
vim +/pin_requested +104 drivers/pinctrl/pinmux.h
103
> 104 bool pin_requested(struct pinctrl_dev *pctldev, int pin)
105 {
106 return false;
107 }
108 #endif
109
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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