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Commit 8a2f38dd authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Rafael J. Wysocki
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ACPI / platform: provide default DMA mask 



Most devices are configured for 32-bit DMA addresses.
Setting the mask to 32-bit here removes the need for the
drivers to do it separately.

Signed-off-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent f114040e

drivers/acpi/acpi_platform.c

+2 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/err.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/dma-mapping.h>

#include <linux/platform_device.h>



#include "internal.h"
@@ -102,6 +103,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) 
	pdevinfo.res = resources;

	pdevinfo.num_res = count;

	pdevinfo.acpi_node.companion = adev;

	pdevinfo.dma_mask = DMA_BIT_MASK(32);

	pdev = platform_device_register_full(&pdevinfo);

	if (IS_ERR(pdev))

		dev_err(&adev->dev, "platform device creation failed: %ld\n",