Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH 2/4] ACPI / platform: provide default DMA mask | Date | Tue, 23 Sep 2014 16:52:01 +0200 |
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On Tuesday, September 23, 2014 03:17:12 PM Heikki Krogerus wrote: > On Wed, Aug 20, 2014 at 02:55:26PM +0300, 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. > > Rafael, is this OK?
Fine by me, but it should go in via dwc3 I think.
> > Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > > --- > > 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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