From e506b2bd1d2e9daaedd1db2ef9868f7b8c4c86c3 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Fri, 24 Mar 2023 09:44:06 +0800 Subject: [PATCH] ASoC: codecs: rt715: simplify set_stream MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Using a dynamic allocation to store a single pointer is not very efficient/useful. Worse, the memory is released in the SoundWire stream.c file, but still accessed in the DAI shutdown, leading to kmemleak reports. And last the API requires the previous stream information to be cleared when the argument is NULL. Simplify the code to address all 3 problems. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Péter Ujfalusi Reviewed-by: Rander Wang Signed-off-by: Bard Liao Link: https://lore.kernel.org/r/20230324014408.1677505-12-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/codecs/rt715.c | 30 +++++++----------------------- sound/soc/codecs/rt715.h | 4 ---- 2 files changed, 7 insertions(+), 27 deletions(-) diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c index c6dd9df7be45..6c2e165dd621 100644 --- a/sound/soc/codecs/rt715.c +++ b/sound/soc/codecs/rt715.c @@ -765,19 +765,7 @@ static int rt715_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, int direction) { - struct sdw_stream_data *stream; - - if (!sdw_stream) - return 0; - - stream = kzalloc(sizeof(*stream), GFP_KERNEL); - if (!stream) - return -ENOMEM; - - stream->sdw_stream = sdw_stream; - - /* Use tx_mask or rx_mask to configure stream tag and set dma_data */ - snd_soc_dai_dma_data_set(dai, direction, stream); + snd_soc_dai_dma_data_set(dai, direction, sdw_stream); return 0; } @@ -786,11 +774,7 @@ static void rt715_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct sdw_stream_data *stream; - - stream = snd_soc_dai_get_dma_data(dai, substream); snd_soc_dai_set_dma_data(dai, substream, NULL); - kfree(stream); } static int rt715_pcm_hw_params(struct snd_pcm_substream *substream, @@ -801,13 +785,13 @@ static int rt715_pcm_hw_params(struct snd_pcm_substream *substream, struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); struct sdw_stream_config stream_config = {0}; struct sdw_port_config port_config = {0}; - struct sdw_stream_data *stream; + struct sdw_stream_runtime *sdw_stream; int retval; unsigned int val = 0; - stream = snd_soc_dai_get_dma_data(dai, substream); + sdw_stream = snd_soc_dai_get_dma_data(dai, substream); - if (!stream) + if (!sdw_stream) return -EINVAL; if (!rt715->slave) @@ -830,7 +814,7 @@ static int rt715_pcm_hw_params(struct snd_pcm_substream *substream, } retval = sdw_stream_add_slave(rt715->slave, &stream_config, - &port_config, 1, stream->sdw_stream); + &port_config, 1, sdw_stream); if (retval) { dev_err(dai->dev, "Unable to configure port\n"); return retval; @@ -893,13 +877,13 @@ static int rt715_pcm_hw_free(struct snd_pcm_substream *substream, { struct snd_soc_component *component = dai->component; struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); - struct sdw_stream_data *stream = + struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); if (!rt715->slave) return -EINVAL; - sdw_stream_remove_slave(rt715->slave, stream->sdw_stream); + sdw_stream_remove_slave(rt715->slave, sdw_stream); return 0; } diff --git a/sound/soc/codecs/rt715.h b/sound/soc/codecs/rt715.h index 25dba61f1760..17a8d041c1c3 100644 --- a/sound/soc/codecs/rt715.h +++ b/sound/soc/codecs/rt715.h @@ -27,10 +27,6 @@ struct rt715_priv { unsigned int kctl_8ch_vol_ori[8]; }; -struct sdw_stream_data { - struct sdw_stream_runtime *sdw_stream; -}; - /* NID */ #define RT715_AUDIO_FUNCTION_GROUP 0x01 #define RT715_MIC_ADC 0x07