Sorry for the duplicates. Replying to catch bounced emails on the original patch emails from git send-email On 11/16/2016 07:29 AM, 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. > > Patches 0001 and 0002 are rebased to 4.9-rc4. Patch 0003 for snd-usb-audio > is a rebase of the patch that was tested with the original Media Device > Allocator patch series. > > snd-usb-audio patch includes the fixes found during 4.7-rc1 time in the > original snd-usb-audio patch. > > Changes to patch 0001 since v3: > - Fixed undefined reference to `__media_device_usb_init compile error when > CONFIG_USB is disabled. > - Fixed kernel paging error when accessing /dev/mediaX after rmmod of the > module that owns the media_device. The fix bumps the reference count for > the owner when second driver comes along to share the media_device. If > au0828 owns the media_device, then snd_usb_audio will bump the refcount > for au0828, so it won't get deleted and vice versa. > > Changes to patch 0002 since v2: > - Updated media_device_delete() to pass in module name. > > Changes to patch 0003 since the last version in 4.7-rc1: > - Included fixes to bugs found during testing. > - Updated to use the Media Allocator API. > > This patch series has been tested with au0828 and snd-usb-audio drivers. > Ran bind and unbind loop tests on each driver with mc_nextgen_test and > media_device_test app loop tests while checking lsmod and dmesg. > > Please refer to tools/testing/selftests/media_tests/regression_test.txt > for testing done on this series. > > Shuah Khan (3): > media: Media Device Allocator API > media: change au0828 to use Media Device Allocator API > sound/usb: Use Media Controller API to share media resources > > drivers/media/Makefile | 3 +- > drivers/media/media-dev-allocator.c | 146 +++++++++++++++ > drivers/media/usb/au0828/au0828-core.c | 12 +- > drivers/media/usb/au0828/au0828.h | 1 + > include/media/media-dev-allocator.h | 87 +++++++++ > sound/usb/Kconfig | 4 + > sound/usb/Makefile | 2 + > sound/usb/card.c | 14 ++ > sound/usb/card.h | 3 + > sound/usb/media.c | 314 +++++++++++++++++++++++++++++++++ > sound/usb/media.h | 73 ++++++++ > sound/usb/mixer.h | 3 + > sound/usb/pcm.c | 28 ++- > sound/usb/quirks-table.h | 1 + > sound/usb/stream.c | 2 + > sound/usb/usbaudio.h | 6 + > 16 files changed, 685 insertions(+), 14 deletions(-) > create mode 100644 drivers/media/media-dev-allocator.c > create mode 100644 include/media/media-dev-allocator.h > create mode 100644 sound/usb/media.c > create mode 100644 sound/usb/media.h > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
