diff options
| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2020-05-19 01:43:20 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-05-19 12:44:34 +0530 |
| commit | dbb50c7a9949506f750d59d9ba4d58f0ce8ccd42 (patch) | |
| tree | bb90832d6b45d9f2bbafd40e8cbf7ee11f529eef /include | |
| parent | 90acca1d54ad566b4af5f1030b4a4a2420ce2ef0 (diff) | |
soundwire: bus: add unique bus id
Adding an unique id for each bus.
Suggested-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20200518174322.31561-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/soundwire/sdw.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 2003e8c55538..a32cb26f1815 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -789,6 +789,7 @@ struct sdw_master_ops { * struct sdw_bus - SoundWire bus * @dev: Master linux device * @link_id: Link id number, can be 0 to N, unique for each Master + * @id: bus system-wide unique id * @slaves: list of Slaves on this bus * @assigned: Bitmap for Slave device numbers. * Bit set implies used number, bit clear implies unused number. @@ -813,6 +814,7 @@ struct sdw_master_ops { struct sdw_bus { struct device *dev; unsigned int link_id; + int id; struct list_head slaves; DECLARE_BITMAP(assigned, SDW_MAX_DEVICES); struct mutex bus_lock; |