Hi Srinivas, [auto build test ERROR on ljones-mfd/for-mfd-next] [also build test ERROR on v4.9-rc4 next-20161110] [cannot apply to robh/for-next] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Srinivas-Kandagatla/mfd-pm8921-add-support-to-pm8821/20161109-013248 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: arm-pxa_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All error/warnings (new ones prefixed by >>): drivers/mfd/pm8921-core.c: In function 'pm8921_probe': >> drivers/mfd/pm8921-core.c:630:58: warning: dereferencing 'void *' pointer data = of_match_node(pm8921_id_table, pdev->dev.of_node)->data; ^~ >> drivers/mfd/pm8921-core.c:630:58: error: request for member 'data' in something not a structure or union vim +/data +630 drivers/mfd/pm8921-core.c 624 const struct pm8xxx_data *data; 625 int irq, rc; 626 unsigned int val; 627 u32 rev; 628 struct pm_irq_chip *chip; 629 > 630 data = of_match_node(pm8921_id_table, pdev->dev.of_node)->data; 631 if (!data) { 632 dev_err(&pdev->dev, "No matching driver data found\n"); 633 return -EINVAL; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation