If CONFIG_PCI_MSI is not set, building with CONFIG_DW_EDMA fails: drivers/dma/dw-edma/dw-edma-core.c: In function dw_edma_irq_request: drivers/dma/dw-edma/dw-edma-core.c:784:21: error: implicit declaration of function pci_irq_vector; did you mean rcu_irq_enter? [-Werror=implicit-function-declaration] err = request_irq(pci_irq_vector(to_pci_dev(dev), 0), ^~~~~~~~~~~~~~ Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Fixes: e63d79d1ffcd ("dmaengine: Add Synopsys eDMA IP core driver") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/dma/dw-edma/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/dw-edma/Kconfig b/drivers/dma/dw-edma/Kconfig index c0838ce..7ff17b2 100644 --- a/drivers/dma/dw-edma/Kconfig +++ b/drivers/dma/dw-edma/Kconfig @@ -2,6 +2,7 @@ config DW_EDMA tristate "Synopsys DesignWare eDMA controller driver" + depends on PCI && PCI_MSI select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help -- 2.7.4