On Wednesday 05 April 2017 03:42 AM, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/host-designware > head: f6a1972e20ab2f40f4a8a1000bf34f4df3145c01 > commit: 450afc42599ba3544e23fb45e86a995d839e2e1c [37/43] misc: Add host side PCI driver for PCI test function device > config: blackfin-allmodconfig (attached as .config) > compiler: bfin-uclinux-gcc (GCC) 6.2.0 > reproduce: > wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 450afc42599ba3544e23fb45e86a995d839e2e1c > # save the attached .config to linux build tree > make.cross ARCH=blackfin > > All error/warnings (new ones prefixed by >>): > > drivers/misc/pci_endpoint_test.c: In function 'pci_endpoint_test_probe': >>> drivers/misc/pci_endpoint_test.c:420:8: error: implicit declaration of function 'pci_alloc_irq_vectors' [-Werror=implicit-function-declaration] > irq = pci_alloc_irq_vectors(pdev, 1, 32, PCI_IRQ_MSI); > ^~~~~~~~~~~~~~~~~~~~~ >>> drivers/misc/pci_endpoint_test.c:420:43: error: 'PCI_IRQ_MSI' undeclared (first use in this function) > irq = pci_alloc_irq_vectors(pdev, 1, 32, PCI_IRQ_MSI); > ^~~~~~~~~~~ > drivers/misc/pci_endpoint_test.c:420:43: note: each undeclared identifier is reported only once for each function it appears in >>> drivers/misc/pci_endpoint_test.c:487:2: error: implicit declaration of function 'pci_disable_msi' [-Werror=implicit-function-declaration] > pci_disable_msi(pdev); > ^~~~~~~~~~~~~~~ > drivers/misc/pci_endpoint_test.c: At top level: >>> drivers/misc/pci_endpoint_test.c:530:1: warning: data definition has no type or storage class > module_pci_driver(pci_endpoint_test_driver); > ^~~~~~~~~~~~~~~~~ >>> drivers/misc/pci_endpoint_test.c:530:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Werror=implicit-int] >>> drivers/misc/pci_endpoint_test.c:530:1: warning: parameter names (without types) in function declaration > drivers/misc/pci_endpoint_test.c:524:26: warning: 'pci_endpoint_test_driver' defined but not used [-Wunused-variable] > static struct pci_driver pci_endpoint_test_driver = { > ^~~~~~~~~~~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors This seems to be because of CONFIG_COMPILE_TEST=y. Will fix the Kconfig of pci_endpoint_test.c. Thanks Kishon
