linux-kernel - Re: [PATCH] iio: light: veml6030: add support for triggered buffer

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Message-ID: <202411081703.Ft0YjqcK-lkp@intel.com>
Date: Fri, 8 Nov 2024 17:41:09 +0800
From: kernel test robot <lkp@...el.com>
To: Javier Carrasco <javier.carrasco.cruz@...il.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: Re: [PATCH] iio: light: veml6030: add support for triggered buffer

Hi Javier,

kernel test robot noticed the following build warnings:

[auto build test WARNING on c9f8285ec18c08fae0de08835eb8e5953339e664]

url:    https://github.com/intel-lab-lkp/linux/commits/Javier-Carrasco/iio-light-veml6030-add-support-for-triggered-buffer/20241108-042332
base:   c9f8285ec18c08fae0de08835eb8e5953339e664
patch link:    https://lore.kernel.org/r/20241107-veml6030_triggered_buffer-v1-1-4810ab86cc56%40gmail.com
patch subject: [PATCH] iio: light: veml6030: add support for triggered buffer
config: i386-randconfig-062-20241108 (https://download.01.org/0day-ci/archive/20241108/202411081703.Ft0YjqcK-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/20241108/202411081703.Ft0YjqcK-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411081703.Ft0YjqcK-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/iio/light/veml6030.c:958:39: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 @@     got int [addressable] reg @@
   drivers/iio/light/veml6030.c:958:39: sparse:     expected restricted __le16
   drivers/iio/light/veml6030.c:958:39: sparse:     got int [addressable] reg

vim +958 drivers/iio/light/veml6030.c

   944	
   945	static irqreturn_t veml6030_trigger_handler(int irq, void *p)
   946	{
   947		struct iio_poll_func *pf = p;
   948		struct iio_dev *iio = pf->indio_dev;
   949		struct veml6030_data *data = iio_priv(iio);
   950		int i, ret, reg;
   951		int j = 0;
   952	
   953		iio_for_each_active_channel(iio, i) {
   954			ret = regmap_read(data->regmap, VEML6030_REG_DATA(i), &reg);
   955			if (ret)
   956				goto done;
   957	
 > 958			data->scan.chans[j++] = reg;
   959		}
   960	
   961		iio_push_to_buffers_with_timestamp(iio, &data->scan, pf->timestamp);
   962	
   963	done:
   964		iio_trigger_notify_done(iio->trig);
   965	
   966		return IRQ_HANDLED;
   967	}
   968	

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