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| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2018-07-05 14:54:25 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-07 17:25:23 +0200 |
| commit | abb9c9b8b51ba53b47ad7685ad2a0a64dbbf7bf5 (patch) | |
| tree | 846f75fbde9a0c4d43e4c376f3c36f6faf3dd345 /drivers/slimbus/core.c | |
| parent | 917809e2280bb83994be8b642373fd941d40c407 (diff) | |
| download | linux-abb9c9b8b51ba53b47ad7685ad2a0a64dbbf7bf5.tar.gz linux-abb9c9b8b51ba53b47ad7685ad2a0a64dbbf7bf5.tar.bz2 linux-abb9c9b8b51ba53b47ad7685ad2a0a64dbbf7bf5.zip | |
slimbus: stream: add stream support
This patch adds support to SLIMbus stream apis for slimbus device.
SLIMbus streaming involves adding support to Data Channel Management and
channel Reconfiguration Messages to slim core plus few stream apis.
>From slim device side the apis are very simple mostly inline with other
stream apis.
Currently it only supports Isochronous and Push/Pull transport protocols,
which are sufficient for audio use cases.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/slimbus/core.c')
| -rw-r--r-- | drivers/slimbus/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c index 88248a4ecad9..95b00d28ad6e 100644 --- a/drivers/slimbus/core.c +++ b/drivers/slimbus/core.c @@ -114,6 +114,8 @@ static int slim_add_device(struct slim_controller *ctrl, sbdev->dev.release = slim_dev_release; sbdev->dev.driver = NULL; sbdev->ctrl = ctrl; + INIT_LIST_HEAD(&sbdev->stream_list); + spin_lock_init(&sbdev->stream_list_lock); if (node) sbdev->dev.of_node = of_node_get(node); |