Messages in this thread |  | | From | "Rafael J. Wysocki" <> | Subject | Re: [resend PATCH 1/3] ACPI / platform: provide default DMA mask | Date | Wed, 24 Sep 2014 15:49:40 +0200 |
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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.krogerus@linux.intel.com> > Cc: "Rafael J. Wysocki" <rjw@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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