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: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> --- drivers/acpi/acpi_platform.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 2bf9082..8d099e6 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -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", -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
