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From: kernel test robot <lkp@intel.com>
To: Mikael Gonella-Bolduc via B4 Relay
	<devnull+mgonellabolduc.dimonoff.com@kernel.org>,
	Jonathan Cameron <jic23@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Mikael Gonella-Bolduc <m.gonella.bolduc@gmail.com>,
	linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Hugo Villeneuve <hvilleneuve@dimonoff.com>,
	Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>,
	Matti Vaittinen <mazziesaccount@gmail.com>
Subject: Re: [PATCH v2 2/2] iio: light: Add APDS9160 ALS & Proximity sensor driver
Date: Mon, 9 Dec 2024 11:40:04 +0800	[thread overview]
Message-ID: <202412070636.sTYakaSQ-lkp@intel.com> (raw)
In-Reply-To: <20241206-apds9160-driver-v2-2-be2cb72ef8f4@dimonoff.com>

Hi Mikael,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 5de07b8a24cf44cdb78adeab790704bf577c2c1d]

url:    https://github.com/intel-lab-lkp/linux/commits/Mikael-Gonella-Bolduc-via-B4-Relay/dt-bindings-iio-light-Add-APDS9160-binding/20241207-001144
base:   5de07b8a24cf44cdb78adeab790704bf577c2c1d
patch link:    https://lore.kernel.org/r/20241206-apds9160-driver-v2-2-be2cb72ef8f4%40dimonoff.com
patch subject: [PATCH v2 2/2] iio: light: Add APDS9160 ALS & Proximity sensor driver
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241207/202412070636.sTYakaSQ-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241207/202412070636.sTYakaSQ-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/202412070636.sTYakaSQ-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/iio/light/apds9160.c:12:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/s390/include/asm/elf.h:181:
   In file included from arch/s390/include/asm/mmu_context.h:11:
   In file included from arch/s390/include/asm/pgalloc.h:18:
   In file included from include/linux/mm.h:2213:
   include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     504 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     505 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     511 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     512 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     524 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     525 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/iio/light/apds9160.c:16:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:95:
   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/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
         |                                                           ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
     102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
         |                                                      ^
   In file included from drivers/iio/light/apds9160.c:16:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:95:
   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/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
         |                                                           ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
     115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
         |                                                      ^
   In file included from drivers/iio/light/apds9160.c:16:
   In file included from include/linux/regmap.h:20:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:95:
   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);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     693 |         readsb(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     701 |         readsw(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     709 |         readsl(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     718 |         writesb(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     727 |         writesw(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     736 |         writesl(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
>> drivers/iio/light/apds9160.c:986:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
     986 |                 default:
         |                 ^
   drivers/iio/light/apds9160.c:986:3: note: insert 'break;' to avoid fall-through
     986 |                 default:
         |                 ^
         |                 break; 
>> drivers/iio/light/apds9160.c:256:18: warning: unused variable 'apds9160_als_gain_avail' [-Wunused-const-variable]
     256 | static const int apds9160_als_gain_avail[] = {
         |                  ^~~~~~~~~~~~~~~~~~~~~~~
   18 warnings generated.


vim +986 drivers/iio/light/apds9160.c

   889	
   890	static int apds9160_read_raw(struct iio_dev *indio_dev,
   891				     struct iio_chan_spec const *chan, int *val,
   892				     int *val2, long mask)
   893	{
   894		struct apds9160_chip *data = iio_priv(indio_dev);
   895		int ret = -EINVAL;
   896	
   897		switch (mask) {
   898		case IIO_CHAN_INFO_RAW:
   899			switch (chan->type) {
   900			case IIO_PROXIMITY: {
   901				__le16 buf;
   902	
   903				ret = regmap_bulk_read(data->regmap, chan->address,
   904						       &buf, 2);
   905				if (ret)
   906					return ret;
   907	
   908				ret = IIO_VAL_INT;
   909				*val = le16_to_cpu(buf);
   910				/* Remove overflow bits from result */
   911				*val = FIELD_GET(APDS9160_PS_DATA_MASK, *val);
   912			} break;
   913			case IIO_LIGHT:
   914			case IIO_INTENSITY: {
   915				u8 buf[3];
   916	
   917				ret = regmap_bulk_read(data->regmap, chan->address,
   918						       &buf, 3);
   919				if (ret)
   920					return ret;
   921	
   922				ret = IIO_VAL_INT;
   923				*val = get_unaligned_le24(buf);
   924			} break;
   925			case IIO_CURRENT:
   926				ret = IIO_VAL_INT;
   927				*val = data->ps_current;
   928				break;
   929			default:
   930				break;
   931			}
   932			break;
   933		case IIO_CHAN_INFO_HARDWAREGAIN:
   934			switch (chan->type) {
   935			case IIO_LIGHT:
   936				ret = IIO_VAL_INT;
   937				*val = data->als_hwgain;
   938				break;
   939			case IIO_PROXIMITY:
   940				ret = IIO_VAL_INT;
   941				*val = data->ps_gain;
   942				break;
   943			default:
   944				break;
   945			}
   946			break;
   947		case IIO_CHAN_INFO_INT_TIME:
   948			switch (chan->type) {
   949			case IIO_LIGHT:
   950				ret = IIO_VAL_INT;
   951				*val = data->als_itime;
   952				break;
   953			default:
   954				break;
   955			}
   956			break;
   957		case IIO_CHAN_INFO_SAMP_FREQ:
   958			switch (chan->type) {
   959			case IIO_PROXIMITY:
   960				ret = IIO_VAL_INT;
   961				*val = data->ps_rate;
   962				break;
   963			default:
   964				break;
   965			}
   966			break;
   967		case IIO_CHAN_INFO_CALIBSCALE:
   968			switch (chan->type) {
   969			case IIO_PROXIMITY:
   970				ret = IIO_VAL_INT;
   971				*val = data->ps_cancellation_level;
   972				break;
   973			default:
   974				break;
   975			}
   976			break;
   977		case IIO_CHAN_INFO_CALIBBIAS:
   978			switch (chan->type) {
   979			case IIO_PROXIMITY:
   980				ret = IIO_VAL_INT;
   981				*val = data->ps_cancellation_analog;
   982				break;
   983			case IIO_CURRENT:
   984				ret = IIO_VAL_INT;
   985				*val = data->ps_cancellation_current;
 > 986			default:
   987				break;
   988			}
   989			break;
   990		case IIO_CHAN_INFO_SCALE:
   991			switch (chan->type) {
   992			case IIO_LIGHT:
   993				ret = IIO_VAL_INT_PLUS_MICRO;
   994				*val = data->als_scale1;
   995				*val2 = data->als_scale2;
   996				break;
   997			default:
   998				break;
   999			}
  1000			break;
  1001		default:
  1002			break;
  1003		}
  1004	
  1005		return ret;
  1006	};
  1007	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

      parent reply	other threads:[~2024-12-09  3:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-06 16:09 [PATCH v2 0/2] Add support for Avago/Broadcom APDS9160 Mikael Gonella-Bolduc via B4 Relay
2024-12-06 16:09 ` [PATCH v2 1/2] dt-bindings: iio: light: Add APDS9160 binding Mikael Gonella-Bolduc via B4 Relay
2024-12-06 16:33   ` Conor Dooley
2024-12-06 20:03     ` Mikael Gonella-Bolduc
2024-12-08 11:41       ` Jonathan Cameron
2024-12-15 15:33         ` Conor Dooley
2024-12-06 16:09 ` [PATCH v2 2/2] iio: light: Add APDS9160 ALS & Proximity sensor driver Mikael Gonella-Bolduc via B4 Relay
2024-12-06 21:12   ` kernel test robot
2024-12-06 22:24   ` kernel test robot
2024-12-08 12:20   ` Jonathan Cameron
2024-12-09 21:49     ` Mikael Gonella-Bolduc
2024-12-11 20:53       ` Jonathan Cameron
2024-12-16 23:00         ` Mikael Gonella-Bolduc
2024-12-09  3:40   ` kernel test robot [this message]

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