Re: [PATCH 2/2] mailbox: ti-msgmgr: Allow building under COMPILE_TEST
From: kernel test robot
Date: Tue Oct 15 2024 - 16:46:59 EST
Hi Andrew,
kernel test robot noticed the following build warnings:
[auto build test WARNING on soc/for-next]
[also build test WARNING on linus/master v6.12-rc3 next-20241015]
[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/Andrew-Davis/mailbox-ti-msgmgr-Remove-use-of-of_match_ptr-helper/20241014-225353
base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
patch link: https://lore.kernel.org/r/20241014144821.15094-3-afd%40ti.com
patch subject: [PATCH 2/2] mailbox: ti-msgmgr: Allow building under COMPILE_TEST
config: hexagon-randconfig-r131-20241015 (https://download.01.org/0day-ci/archive/20241016/202410160435.WzzQa1p5-lkp@xxxxxxxxx/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 70e0a7e7e6a8541bcc46908c592eed561850e416)
reproduce: (https://download.01.org/0day-ci/archive/20241016/202410160435.WzzQa1p5-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410160435.WzzQa1p5-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from drivers/firmware/ti_sci.c:14:
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/firmware/ti_sci.c:14:
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/firmware/ti_sci.c:14:
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);
| ~~~~~~~~~~ ^
drivers/firmware/ti_sci.c:200:20: warning: unused function 'ti_sci_debugfs_destroy' [-Wunused-function]
200 | static inline void ti_sci_debugfs_destroy(struct platform_device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/firmware/ti_sci.c:3285:34: warning: unused variable 'ti_sci_of_match' [-Wunused-const-variable]
3285 | static const struct of_device_id ti_sci_of_match[] = {
| ^~~~~~~~~~~~~~~
8 warnings generated.
vim +/ti_sci_of_match +3285 drivers/firmware/ti_sci.c
aa276781a64a5f Nishanth Menon 2016-10-18 3284
aa276781a64a5f Nishanth Menon 2016-10-18 @3285 static const struct of_device_id ti_sci_of_match[] = {
aa276781a64a5f Nishanth Menon 2016-10-18 3286 {.compatible = "ti,k2g-sci", .data = &ti_sci_pmmc_k2g_desc},
754c9477ae7872 Peter Ujfalusi 2019-04-30 3287 {.compatible = "ti,am654-sci", .data = &ti_sci_pmmc_am654_desc},
aa276781a64a5f Nishanth Menon 2016-10-18 3288 { /* Sentinel */ },
aa276781a64a5f Nishanth Menon 2016-10-18 3289 };
aa276781a64a5f Nishanth Menon 2016-10-18 3290 MODULE_DEVICE_TABLE(of, ti_sci_of_match);
aa276781a64a5f Nishanth Menon 2016-10-18 3291
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