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Date:   Wed, 29 Nov 2023 12:13:51 +0800
From:   kernel test robot <lkp@intel.com>
To:     Thomas Richard <thomas.richard@bootlin.com>, rafael@kernel.org,
        daniel.lezcano@linaro.org
Cc:     llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
        rui.zhang@intel.com, lukasz.luba@arm.com, linux-pm@vger.kernel.org,
        linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com,
        gregory.clement@bootlin.com, theo.lebrun@bootlin.com,
        u-kumar1@ti.com, Thomas Richard <thomas.richard@bootlin.com>
Subject: Re: [PATCH] thermal: k3_j72xx_bandgap: implement suspend/resume
 support
Message-ID: <202311291148.HMS1dKk0-lkp@intel.com>
References: <20231128130332.584127-1-thomas.richard@bootlin.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
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In-Reply-To: <20231128130332.584127-1-thomas.richard@bootlin.com>
Precedence: bulk

Hi Thomas,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/thermal]
[also build test ERROR on linus/master v6.7-rc3 next-20231128]
[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/Thomas-Richard/thermal-k3_j72xx_bandgap-implement-suspend-resume-support/20231128-211217
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git thermal
patch link:    https://lore.kernel.org/r/20231128130332.584127-1-thomas.richard%40bootlin.com
patch subject: [PATCH] thermal: k3_j72xx_bandgap: implement suspend/resume support
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20231129/202311291148.HMS1dKk0-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231129/202311291148.HMS1dKk0-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/202311291148.HMS1dKk0-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/thermal/k3_j72xx_bandgap.c:17:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     547 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     560 |         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/thermal/k3_j72xx_bandgap.c:17:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     573 |         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/thermal/k3_j72xx_bandgap.c:17:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     584 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     594 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     604 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
>> drivers/thermal/k3_j72xx_bandgap.c:604:17: error: use of undeclared identifier 'k3_j72xx_bandgap_pm_ops'; did you mean 'k3_j72xx_bandgap_probe'?
     604 |                 .pm = pm_ptr(&k3_j72xx_bandgap_pm_ops),
         |                               ^~~~~~~~~~~~~~~~~~~~~~~
         |                               k3_j72xx_bandgap_probe
   include/linux/pm.h:475:53: note: expanded from macro 'pm_ptr'
     475 | #define pm_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM), (_ptr))
         |                                                     ^
   include/linux/kernel.h:54:38: note: expanded from macro 'PTR_IF'
      54 | #define PTR_IF(cond, ptr)       ((cond) ? (ptr) : NULL)
         |                                            ^
   drivers/thermal/k3_j72xx_bandgap.c:376:12: note: 'k3_j72xx_bandgap_probe' declared here
     376 | static int k3_j72xx_bandgap_probe(struct platform_device *pdev)
         |            ^
>> drivers/thermal/k3_j72xx_bandgap.c:604:9: error: incompatible pointer types initializing 'const struct dev_pm_ops *' with an expression of type 'int (*)(struct platform_device *)' [-Werror,-Wincompatible-pointer-types]
     604 |                 .pm = pm_ptr(&k3_j72xx_bandgap_pm_ops),
         |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/pm.h:475:22: note: expanded from macro 'pm_ptr'
     475 | #define pm_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM), (_ptr))
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:54:27: note: expanded from macro 'PTR_IF'
      54 | #define PTR_IF(cond, ptr)       ((cond) ? (ptr) : NULL)
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~
   6 warnings and 2 errors generated.


vim +604 drivers/thermal/k3_j72xx_bandgap.c

   597	
   598	static struct platform_driver k3_j72xx_bandgap_sensor_driver = {
   599		.probe = k3_j72xx_bandgap_probe,
   600		.remove_new = k3_j72xx_bandgap_remove,
   601		.driver = {
   602			.name = "k3-j72xx-soc-thermal",
   603			.of_match_table	= of_k3_j72xx_bandgap_match,
 > 604			.pm = pm_ptr(&k3_j72xx_bandgap_pm_ops),
   605		},
   606	};
   607	

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