Re: [PATCH -next] dmaengine: hisilicon: Fix build error without PCI_MSI

From: Zhou Wang
Date: Sun Mar 29 2020 - 22:39:41 EST


On 2020/3/28 19:41, YueHaibing wrote:
> If PCI_MSI is not set, building fais:
>
> drivers/dma/hisi_dma.c: In function âhisi_dma_free_irq_vectorsâ:
> drivers/dma/hisi_dma.c:138:2: error: implicit declaration of function âpci_free_irq_vectorsâ;
> did you mean âpci_alloc_irq_vectorsâ? [-Werror=implicit-function-declaration]
> pci_free_irq_vectors(data);
> ^~~~~~~~~~~~~~~~~~~~
>
> Make HISI_DMA depends on PCI_MSI to fix this.

In ARM64, it will appear this compile error if PCI disables.
How about adding depends on PCI && PCI_MSI here?

Best,
Zhou

>
> Fixes: e9f08b65250d ("dmaengine: hisilicon: Add Kunpeng DMA engine support")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> drivers/dma/Kconfig | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index 092483644315..023db6883d05 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -241,7 +241,8 @@ config FSL_RAID
>
> config HISI_DMA
> tristate "HiSilicon DMA Engine support"
> - depends on ARM64 || (COMPILE_TEST && PCI_MSI)
> + depends on ARM64 || COMPILE_TEST
> + depends on PCI_MSI
> select DMA_ENGINE
> select DMA_VIRTUAL_CHANNELS
> help
>