On Wednesday, September 24, 2014 11:00:37 AM Heikki Krogerus wrote:
> 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.kroge...@linux.intel.com>
> Cc: "Rafael J. Wysocki" <r...@rjwysocki.net>

ACK

> ---
>  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",
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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