lkml.org 
[lkml]   [2014]   [Oct]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [resend PATCH 1/3] ACPI / platform: provide default DMA mask
On 21/10/14 16:08, Rafael J. Wysocki wrote:
> On Tuesday, October 21, 2014 03:27:45 PM Adrian Hunter wrote:
>> On 24/09/14 16:49, Rafael J. Wysocki wrote:
>>> 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
>>
>> Hi
>>
>> I need this for another driver. Did this patch go anywhere?
>
> It's not in 3.18-rc1 as far as I can say.
>
>> Note Heikki is away at the moment.
>
> That's OK. I guess I can queue up this one for you.
>
> When do you need this to get into the Linus' tree?

My patches are aiming for 3.19

>
>
>>>> ---
>>>> 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",
>>>>
>>>
>>
>



\
 
 \ /
  Last update: 2014-10-21 21:01    [W:0.341 / U:0.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site