USB_AMD5536UDC should depend on HAS_DMA since it selects USB_SNP_CORE, which depends on HAS_DMA and since 'select' does not follow any dependency chains. Fixes this kconfig warning: WARNING: unmet direct dependencies detected for USB_SNP_CORE Depends on [n]: USB_SUPPORT [=y] && USB_GADGET [=y] && (USB_AMD5536UDC [=y] || USB_SNP_UDC_PLAT [=n]) && HAS_DMA [=n] Selected by [y]: - USB_AMD5536UDC [=y] && USB_SUPPORT [=y] && USB_GADGET [=y] && USB_PCI [=y] Fixes: 97b3ffa233b9 ("usb: gadget: udc: amd5536: split core and PCI layer") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Raviteja Garimella <raviteja.garimella@xxxxxxxxxxxx> Cc: Felipe Balbi <balbi@xxxxxxxxxx> Cc: linux-usb@xxxxxxxxxxxxxxx Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/gadget/udc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -311,7 +311,7 @@ source "drivers/usb/gadget/udc/bdc/Kconf config USB_AMD5536UDC tristate "AMD5536 UDC" - depends on USB_PCI + depends on USB_PCI && HAS_DMA select USB_SNP_CORE help The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.