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

Message ID 1647533563-2170-2-git-send-email-mikelley@microsoft.com
State New
Headers show
Series Fix coherence for VMbus and PCI pass-thru devices in Hyper-V VM | expand

Commit Message

Michael Kelley March 17, 2022, 4:12 p.m. UTC 
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.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
---
 drivers/acpi/scan.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

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.