linux-kernel - [PATCH 1/4] ACPI: scan: Export acpi_get_dma

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Message-Id: <1647533563-2170-2-git-send-email-mikelley@microsoft.com>
Date:   Thu, 17 Mar 2022 09:12:40 -0700
From:   Michael Kelley <mikelley@...rosoft.com>
To:     sthemmin@...rosoft.com, kys@...rosoft.com, haiyangz@...rosoft.com,
        wei.liu@...nel.org, decui@...rosoft.com, rafael@...nel.org,
        lenb@...nel.org, lorenzo.pieralisi@....com, robh@...nel.org,
        kw@...ux.com, bhelgass@...gle.com, hch@....de,
        m.szyprowski@...sung.com, robin.murphy@....com,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org, linux-pci@...r.kernel.org,
        iommu@...ts.linux-foundation.org
Cc:     mikelley@...rosoft.com
Subject: [PATCH 1/4] ACPI: scan: Export acpi_get_dma_attr()

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@...rosoft.com>
---
 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.
-- 
1.8.3.1