On Thu, 2020-02-27 at 07:02 +0800, kbuild test robot wrote: > [External] > > Hi Alexandru, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on iio/togreg] > [also build test WARNING on linus/master v5.6-rc3 next-20200226] > [cannot apply to linux/master] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982 > ] > > url: > https://github.com/0day-ci/linux/commits/Alexandru-Ardelean/iio-adi-axi-adc-ad9647-Add-support-for-AD9467-ADC/20200227-030546 > base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg > config: riscv-allyesconfig (attached as .config) > compiler: riscv64-linux-gcc (GCC) 7.5.0 > reproduce: > wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O > ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=7.5.0 make.cross ARCH=riscv > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > drivers/iio/buffer/industrialio-buffer-dmaengine.c: In function > 'iio_dmaengine_buffer_get_length_align': > > > drivers/iio/buffer/industrialio-buffer-dmaengine.c:137:24: warning: format > > > '%u' expects argument of type 'unsigned int', but argument 3 has type > > > 'size_t {aka long unsigned int}' [-Wformat=] > return sprintf(buf, "%u\n", dmaengine_buffer->align); > ~^ ~~~~~~~~~~~~~~~~~~~~~~~ > %lu Though the warning may be valid, I am bit puzzled as to why it's complaining for this patch specifically. This patch does not touch the file directly. I'll send a fix for this. > > vim +137 drivers/iio/buffer/industrialio-buffer-dmaengine.c > > 2d6ca60f328450 Lars-Peter Clausen 2015-10-13 129 > 4538c185680996 Lars-Peter Clausen 2019-12-11 130 static ssize_t > iio_dmaengine_buffer_get_length_align(struct device *dev, > 4538c185680996 Lars-Peter Clausen 2019-12-11 131 struct device_attribute > *attr, char *buf) > 4538c185680996 Lars-Peter Clausen 2019-12-11 132 { > 4538c185680996 Lars-Peter Clausen 2019-12-11 133 struct iio_dev > *indio_dev = dev_to_iio_dev(dev); > 4538c185680996 Lars-Peter Clausen 2019-12-11 134 struct dmaengine_buffer > *dmaengine_buffer = > 4538c185680996 Lars-Peter Clausen 2019-12-11 135 iio_buffer_to_dm > aengine_buffer(indio_dev->buffer); > 4538c185680996 Lars-Peter Clausen 2019-12-11 136 > 4538c185680996 Lars-Peter Clausen 2019-12-11 @137 return sprintf(buf, > "%u\n", dmaengine_buffer->align); > 4538c185680996 Lars-Peter Clausen 2019-12-11 138 } > 4538c185680996 Lars-Peter Clausen 2019-12-11 139 > > :::::: The code at line 137 was first introduced by commit > :::::: 4538c185680996d7328beac629dbdb7dd3f8f34e iio: buffer-dmaengine: Report > buffer length requirements > > :::::: TO: Lars-Peter Clausen <lars@xxxxxxxxxx> > :::::: CC: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
