xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

soundwire: bus: add unique bus id

Browse Source 
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>
This commit is contained in:
Bard Liao
2020-05-19 01:43:20 +08:00
committed by Vinod Koul
parent 90acca1d54
commit dbb50c7a99
2 changed files with 22 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/soundwire/sdw.h
View File

@@ -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;