soundwire: stream: split sdw_alloc_master_rt() in alloc and config

Split the two parts so that we can do multiple configurations during
ALSA/ASoC hw_params stage. Also follow existing convention
sdw_<object>_<action> used at lower level.

No functionality change here.

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/20220126011715.28204-11-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index 263b762..e38c920 100644 (file)
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -1055,7 +1055,7 @@ struct sdw_stream_runtime *sdw_alloc_stream(const char *stream_name)
 EXPORT_SYMBOL(sdw_alloc_stream);
 
 static struct sdw_master_runtime
-*sdw_find_master_rt(struct sdw_bus *bus,
+*sdw_master_rt_find(struct sdw_bus *bus,
                    struct sdw_stream_runtime *stream)
 {
        struct sdw_master_runtime *m_rt;
@@ -1070,17 +1070,15 @@ static struct sdw_master_runtime
 }
 
 /**
- * sdw_alloc_master_rt() - Allocates and initialize Master runtime handle
+ * sdw_master_rt_alloc() - Allocates a Master runtime handle
  *
  * @bus: SDW bus instance
- * @stream_config: Stream configuration
  * @stream: Stream runtime handle.
  *
  * This function is to be called with bus_lock held.
  */
 static struct sdw_master_runtime
-*sdw_alloc_master_rt(struct sdw_bus *bus,
-                    struct sdw_stream_config *stream_config,
+*sdw_master_rt_alloc(struct sdw_bus *bus,
                     struct sdw_stream_runtime *stream)
 {
        struct sdw_master_runtime *m_rt;
@@ -1096,15 +1094,31 @@ static struct sdw_master_runtime
 
        list_add_tail(&m_rt->bus_node, &bus->m_rt_list);
 
-       m_rt->ch_count = stream_config->ch_count;
        m_rt->bus = bus;
        m_rt->stream = stream;
-       m_rt->direction = stream_config->direction;
 
        return m_rt;
 }
 
 /**
+ * sdw_master_rt_config() - Configure Master runtime handle
+ *
+ * @m_rt: Master runtime handle
+ * @stream_config: Stream configuration
+ *
+ * This function is to be called with bus_lock held.
+ */
+
+static int sdw_master_rt_config(struct sdw_master_runtime *m_rt,
+                               struct sdw_stream_config *stream_config)
+{
+       m_rt->ch_count = stream_config->ch_count;
+       m_rt->direction = stream_config->direction;
+
+       return 0;
+}
+
+/**
  * sdw_alloc_slave_rt() - Allocate and initialize Slave runtime handle.
  *
  * @slave: Slave handle
@@ -1321,19 +1335,21 @@ int sdw_stream_add_master(struct sdw_bus *bus,
         * check if Master is already allocated (e.g. as a result of Slave adding
         * it first), if so skip allocation and go to configuration
         */
-       m_rt = sdw_find_master_rt(bus, stream);
+       m_rt = sdw_master_rt_find(bus, stream);
        if (m_rt)
                goto skip_alloc_master_rt;
 
-       m_rt = sdw_alloc_master_rt(bus, stream_config, stream);
+       m_rt = sdw_master_rt_alloc(bus, stream);
        if (!m_rt) {
-               dev_err(bus->dev,
-                       "Master runtime config failed for stream:%s\n",
-                       stream->name);
+               dev_err(bus->dev, "Master runtime alloc failed for stream:%s\n", stream->name);
                ret = -ENOMEM;
                goto unlock;
        }
 
+       ret = sdw_master_rt_config(m_rt, stream_config);
+       if (ret < 0)
+               goto unlock;
+
 skip_alloc_master_rt:
        ret = sdw_config_stream(bus->dev, stream, stream_config, false);
        if (ret)
@@ -1388,7 +1404,7 @@ int sdw_stream_add_slave(struct sdw_slave *slave,
         * check if Master is already allocated, if so skip allocation
         * and go to configuration
         */
-       m_rt = sdw_find_master_rt(slave->bus, stream);
+       m_rt = sdw_master_rt_find(slave->bus, stream);
        if (m_rt)
                goto skip_alloc_master_rt;
 
@@ -1396,14 +1412,15 @@ int sdw_stream_add_slave(struct sdw_slave *slave,
         * If this API is invoked by Slave first then m_rt is not valid.
         * So, allocate m_rt and add Slave to it.
         */
-       m_rt = sdw_alloc_master_rt(slave->bus, stream_config, stream);
+       m_rt = sdw_master_rt_alloc(slave->bus, stream);
        if (!m_rt) {
-               dev_err(&slave->dev,
-                       "alloc master runtime failed for stream:%s\n",
-                       stream->name);
+               dev_err(&slave->dev, "Master runtime alloc failed for stream:%s\n", stream->name);
                ret = -ENOMEM;
                goto error;
        }
+       ret =  sdw_master_rt_config(m_rt, stream_config);
+       if (ret < 0)
+               goto stream_error;
 
 skip_alloc_master_rt:
        s_rt = sdw_alloc_slave_rt(slave, stream_config);