Re: [PATCH v2 0/2] Media Device Allocator API

From: Shuah Khan
Date: Tue Jun 28 2016 - 15:58:28 EST


On 05/24/2016 05:39 PM, Shuah Khan wrote:
> Media Device Allocator API to allows multiple drivers share a media device.
> Using this API, drivers can allocate a media device with the shared struct
> device as the key. Once the media device is allocated by a driver, other
> drivers can get a reference to it. The media device is released when all
> the references are released.
>
> This patch series has been tested with au0828 and snd-usb-audio drivers.
> snd-us-audio patch isn't included in this series. Once this patch series
> is reviews and gets a stable state, I will send out the snd-usb-audio
> patch.
>
> Changes since Patch v1 series: (based on Hans Virkuil's review)
> - Removed media_device_get() and media_device_allocate(). These are
> unnecessary.
> - media_device_usb_allocate() holds media_device_lock to do allocate
> and initialize the media device.
> - Changed media_device_put() to media_device_delete() for symmetry with
> media_device_*_allocate().
> - Dropped media_device_unregister_put(). au0828 calls media_device_delete()
> instead.
>
> Shuah Khan (2):
> media: Media Device Allocator API
> media: change au0828 to use Media Device Allocator API
>
> drivers/media/Makefile | 3 +-
> drivers/media/media-dev-allocator.c | 120 +++++++++++++++++++++++++++++++++
> drivers/media/usb/au0828/au0828-core.c | 12 ++--
> drivers/media/usb/au0828/au0828.h | 1 +
> include/media/media-dev-allocator.h | 85 +++++++++++++++++++++++
> 5 files changed, 212 insertions(+), 9 deletions(-)
> create mode 100644 drivers/media/media-dev-allocator.c
> create mode 100644 include/media/media-dev-allocator.h
>


Hi Mauro,

Are you planning to get this inot 4,8-rc1?

The first patch is now at [PATCH v3] media: Media Device Allocator API
that has been reviewed by Hans.

https://lkml.org/lkml/2016/5/27/530

thanks,
-- Shuah