On Wed, 16 Aug 2023 22:07:15 +0800 kernel test robot <lkp@xxxxxxxxx> wrote: > Hi Mingjin, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on robh/for-next] > [also build test WARNING on linus/master v6.5-rc6 next-20230816] > [cannot apply to jic23-iio/togreg] > [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/Mingjin-Yang/dt-bindings-iio-adc-Add-support-for-ump518-pmic-adc/20230816-160754 > base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next > patch link: https://lore.kernel.org/r/20230816080225.21482-3-mingjin.yang%40unisoc.com > patch subject: [PATCH V0 2/2] iio: adc: sprd_pmic_adc: Add support for UMP serise pmic adc > config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20230816/202308162143.UjXhwiRf-lkp@xxxxxxxxx/config) > compiler: m68k-linux-gcc (GCC) 12.3.0 > reproduce: (https://download.01.org/0day-ci/archive/20230816/202308162143.UjXhwiRf-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/202308162143.UjXhwiRf-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > drivers/iio/adc/sprd_pmic_adc.c: In function 'ump9620_ch_data_init': > >> drivers/iio/adc/sprd_pmic_adc.c:530:1: warning: the frame size of 1320 bytes is larger than 1024 bytes [-Wframe-larger-than=] > 530 | } > | ^ > > > vim +530 drivers/iio/adc/sprd_pmic_adc.c > > 506 > 507 static void ump9620_ch_data_init(struct sprd_adc_data *data) > 508 { > 509 struct sprd_adc_channel_data ch_data_def = CH_DATA_INIT(SCALE_00, 0, 0, RATIO_DEF); > 510 struct sprd_adc_channel_data ch_data[SPRD_ADC_CHANNEL_MAX] = { Make these both const and I think the compiler will move these off the stack thus solving the issue seen. > 511 [0] = CH_DATA_INIT(SCALE_01, 0, 0, RATIO_DEF), > 512 [5] = CH_DATA_INIT(SCALE_00, 0x1, 0x9, RATIO_DEF), > 513 [6] = CH_DATA_INIT(SCALE_00, 0x1, 0x9, RATIO_DEF), > 514 [7] = CH_DATA_INIT(SCALE_10, 0, 0, RATIO_DEF), > 515 [9] = CH_DATA_INIT(SCALE_10, 0, 0, RATIO_DEF), > 516 [10] = CH_DATA_INIT(SCALE_11, 0, 0, RATIO_DEF), > 517 [11] = CH_DATA_INIT(SCALE_00, 0, 0, RATIO_DEF), > 518 [13] = CH_DATA_INIT(SCALE_01, 0, 0, RATIO_DEF), > 519 [14] = CH_DATA_INIT(SCALE_00, 0, 0, RATIO(68, 900)), > 520 [15] = CH_DATA_INIT(SCALE_00, 0, 0, RATIO(1, 3)), > 521 [19] = CH_DATA_INIT(SCALE_11, 0, 0, RATIO_DEF), > 522 [21] = CH_DATA_INIT(SCALE_00, 0, 0, RATIO(3, 8)), > 523 [22] = CH_DATA_INIT(SCALE_00, 0, 0, RATIO(3, 8)), > 524 [23] = CH_DATA_INIT(SCALE_00, 0, 0, RATIO(3, 8)), > 525 [30] = CH_DATA_INIT(SCALE_11, 0, 0, RATIO_DEF), > 526 [31] = CH_DATA_INIT(SCALE_11, 0, 0, RATIO_DEF), > 527 }; > 528 > 529 sprd_adc_ch_data_merge(data, ch_data, &ch_data_def); > > 530 } > 531 >
