Re: [PATCH 1/4 RESEND] ACPI: scan: Export acpi_get_dma_attr()

[Robin Murphy]

On 2022-03-17 16:25, Michael Kelley wrote:
> Export acpi_get_dma_attr() so that it can be used by the Hyper-V
> VMbus driver, which may be built as a module. The related function
> acpi_dma_configure_id() is already exported.

No. Use device_get_dma_attr() like everyone else, please.

Robin.

> Signed-off-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> ---
>   drivers/acpi/scan.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index 1331756..9f3c88f 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -1489,6 +1489,7 @@ enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
>   	else
>   		return DEV_DMA_NON_COHERENT;
>   }
> +EXPORT_SYMBOL_GPL(acpi_get_dma_attr);
>   
>   /**
>    * acpi_dma_get_range() - Get device DMA parameters.