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soundwire: stream: move list addition to sdw_slave_alloc_rt()

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Simplify sdw_stream_add_slave() by moving the linked list management
inside of the sdw_slave_alloc_rt_free() helper, this also makes the
alloc/free helpers more symmetrical.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220126011715.28204-16-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-01-26 09:17:11 +08:00 committed by Vinod Koul
parent 00ce0d2afe
commit 42aad41e96
1 changed files with 6 additions and 3 deletions
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9
drivers/soundwire/stream.c
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@ -1019,11 +1019,13 @@ static int sdw_master_port_config(struct sdw_master_runtime *m_rt,
* sdw_slave_rt_alloc() - Allocate a Slave runtime handle.
*
* @slave: Slave handle
* @m_rt: Master runtime handle
*
* This function is to be called with bus_lock held.
*/
static struct sdw_slave_runtime
*sdw_slave_rt_alloc(struct sdw_slave *slave)
*sdw_slave_rt_alloc(struct sdw_slave *slave,
struct sdw_master_runtime *m_rt)
{
struct sdw_slave_runtime *s_rt;
@ -1034,6 +1036,8 @@ static struct sdw_slave_runtime
INIT_LIST_HEAD(&s_rt->port_list);
s_rt->slave = slave;
list_add_tail(&s_rt->m_rt_node, &m_rt->slave_rt_list);
return s_rt;
}
@ -1949,13 +1953,12 @@ int sdw_stream_add_slave(struct sdw_slave *slave,
goto stream_error;
skip_alloc_master_rt:
s_rt = sdw_slave_rt_alloc(slave);
s_rt = sdw_slave_rt_alloc(slave, m_rt);
if (!s_rt) {
dev_err(&slave->dev, "Slave runtime alloc failed for stream:%s\n", stream->name);
ret = -ENOMEM;
goto stream_error;
}
list_add_tail(&s_rt->m_rt_node, &m_rt->slave_rt_list);
ret = sdw_slave_rt_config(s_rt, stream_config);
if (ret)