Make sure all calls to the SoundWire stream API are done and involve callback. Also kfree the stream name.
Signed-off-by: Rander Wang rander.wang@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- drivers/soundwire/intel.c | 41 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-)
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index c498812522ab..a327669c757b 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -550,6 +550,25 @@ static int intel_params_stream(struct sdw_intel *sdw, return -EIO; }
+static int intel_free_stream(struct sdw_intel *sdw, + struct snd_pcm_substream *substream, + struct snd_soc_dai *dai, + int link_id) +{ + struct sdw_intel_link_res *res = sdw->link_res; + struct sdw_intel_stream_free_data free_data; + + free_data.substream = substream; + free_data.dai = dai; + free_data.link_id = link_id; + + if (res->ops && res->ops->free_stream && res->dev) + return res->ops->free_stream(res->dev, + &free_data); + + return 0; +} + /* * bank switch routines */ @@ -817,6 +836,7 @@ static int intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai); + struct sdw_intel *sdw = cdns_to_intel(cdns); struct sdw_cdns_dma_data *dma; int ret;
@@ -824,12 +844,29 @@ intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) if (!dma) return -EIO;
+ ret = sdw_deprepare_stream(dma->stream); + if (ret) { + dev_err(dai->dev, "sdw_deprepare_stream: failed %d", ret); + return ret; + } + ret = sdw_stream_remove_master(&cdns->bus, dma->stream); - if (ret < 0) + if (ret < 0) { dev_err(dai->dev, "remove master from stream %s failed: %d\n", dma->stream->name, ret); + return ret; + }
- return ret; + ret = intel_free_stream(sdw, substream, dai, sdw->instance); + if (ret < 0) { + dev_err(dai->dev, "intel_free_stream: failed %d", ret); + return ret; + } + + kfree(dma->stream->name); + sdw_release_stream(dma->stream); + + return 0; }
static void intel_shutdown(struct snd_pcm_substream *substream,