On Thu, Jul 18, 2019 at 4:07 AM YueHaibing <yuehaibing@xxxxxxxxxx> wrote: > > If CONFIG_KEYBOARD_APPLESPI is set to y, but > CONFIG_PCI is not set, building will fails: > > drivers/spi/spi-pxa2xx-pci.c: In function pxa2xx_spi_pci_probe: > drivers/spi/spi-pxa2xx-pci.c:208:8: error: implicit declaration of function pcim_enable_device; > did you mean pci_enable_device? [-Werror=implicit-function-declaration] > ret = pcim_enable_device(dev); > ^~~~~~~~~~~~~~~~~~ > pci_enable_device > drivers/spi/spi-pxa2xx-pci.c:239:8: error: implicit declaration of function pci_alloc_irq_vectors; > did you mean pci_alloc_consistent? [-Werror=implicit-function-declaration] > ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES); > ^~~~~~~~~~~~~~~~~~~~~ > > Make CONFIG_KEYBOARD_APPLESPI depends on CONFIG_PCI > to fix this. > > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Fixes: b426ac045209 ("Input: add Apple SPI keyboard and trackpad driver") > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> I found the same build bug, plus another issue: arch/arm/Kconfig:1942:error: recursive dependency detected! arch/arm/Kconfig:1942: symbol XIP_KERNEL depends on KASAN lib/Kconfig.kasan:15: symbol KASAN depends on SYSFS fs/sysfs/Kconfig:2: symbol SYSFS is selected by CONFIGFS_FS fs/configfs/Kconfig:2: symbol CONFIGFS_FS is selected by USB_LIBCOMPOSITE drivers/usb/gadget/Kconfig:145: symbol USB_LIBCOMPOSITE is selected by USB_ZERO drivers/usb/gadget/legacy/Kconfig:17: symbol USB_ZERO is part of choice <choice> drivers/usb/gadget/Kconfig:486: choice <choice> contains symbol USB_G_WEBCAM drivers/usb/gadget/legacy/Kconfig:479: symbol USB_G_WEBCAM is part of choice VIDEO_V4L2 drivers/media/v4l2-core/Kconfig:7: symbol VIDEO_V4L2 depends on I2C drivers/i2c/Kconfig:8: symbol I2C is selected by FB_DDC drivers/video/fbdev/Kconfig:63: symbol FB_DDC depends on FB drivers/video/fbdev/Kconfig:12: symbol FB is selected by DRM_KMS_FB_HELPER drivers/gpu/drm/Kconfig:75: symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER drivers/gpu/drm/Kconfig:69: symbol DRM_KMS_HELPER is selected by DRM_ARMADA drivers/gpu/drm/armada/Kconfig:2: symbol DRM_ARMADA depends on HAVE_CLK arch/Kconfig:314: symbol HAVE_CLK is selected by CLKDEV_LOOKUP drivers/clk/Kconfig:3: symbol CLKDEV_LOOKUP is selected by COMMON_CLK drivers/clk/Kconfig:10: symbol COMMON_CLK is selected by MFD_INTEL_LPSS drivers/mfd/Kconfig:600: symbol MFD_INTEL_LPSS is selected by MFD_INTEL_LPSS_PCI drivers/mfd/Kconfig:614: symbol MFD_INTEL_LPSS_PCI is implied by KEYBOARD_APPLESPI drivers/input/keyboard/Kconfig:74: symbol KEYBOARD_APPLESPI depends on EFI arch/arm/Kconfig:2031: symbol EFI depends on XIP_KERNEL Your patch correctly solves the spi_pxa2xx issue, but I'd prefer to instead drop the three 'imply' statements altogether, they seem to do more harm than good. (the circular dependency I saw might only happen when applying the arm32 KASAN patches, but I expect to see them merged for linux-5.4) Arnd