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authorTakashi Iwai <tiwai@suse.de>2019-02-04 16:38:42 +0100
committerTakashi Iwai <tiwai@suse.de>2019-02-06 18:29:05 +0100
commit62961dd5f609b202080e7d9053de1a8967c9d4d8 (patch)
tree1f68b95b1e83c53e17381352103b1b0c63912153
parentASoC: dwc: Drop superfluous PCM preallocation error checks (diff)
downloadlinux-dev-62961dd5f609b202080e7d9053de1a8967c9d4d8.tar.xz
linux-dev-62961dd5f609b202080e7d9053de1a8967c9d4d8.zip
ASoC: intel: Drop superfluous PCM preallocation error checks
snd_pcm_lib_preallocate_pages() and co always succeed, so the error check is simply redundant. Drop it. Reviewed-by: Jaroslav Kysela <perex@perex.cz> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/soc/intel/atom/sst-mfld-platform-pcm.c9
-rw-r--r--sound/soc/intel/baytrail/sst-baytrail-pcm.c15
-rw-r--r--sound/soc/intel/haswell/sst-haswell-pcm.c10
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c9
4 files changed, 10 insertions, 33 deletions
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 91a2436ce952..985abda3bfbb 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -687,20 +687,15 @@ static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dai *dai = rtd->cpu_dai;
struct snd_pcm *pcm = rtd->pcm;
- int retval = 0;
if (dai->driver->playback.channels_min ||
dai->driver->capture.channels_min) {
- retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
+ snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
snd_dma_continuous_data(GFP_DMA),
SST_MIN_BUFFER, SST_MAX_BUFFER);
- if (retval) {
- dev_err(rtd->dev, "dma buffer allocation failure\n");
- return retval;
- }
}
- return retval;
+ return 0;
}
static int sst_soc_probe(struct snd_soc_component *component)
diff --git a/sound/soc/intel/baytrail/sst-baytrail-pcm.c b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
index aabb35bf6b96..aa358073ac0f 100644
--- a/sound/soc/intel/baytrail/sst-baytrail-pcm.c
+++ b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
@@ -327,23 +327,16 @@ static int sst_byt_pcm_new(struct snd_soc_pcm_runtime *rtd)
size_t size;
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct sst_pdata *pdata = dev_get_platdata(component->dev);
- int ret = 0;
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream ||
pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
size = sst_byt_pcm_hardware.buffer_bytes_max;
- ret = snd_pcm_lib_preallocate_pages_for_all(pcm,
- SNDRV_DMA_TYPE_DEV,
- pdata->dma_dev,
- size, size);
- if (ret) {
- dev_err(rtd->dev, "dma buffer allocation failed %d\n",
- ret);
- return ret;
- }
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ pdata->dma_dev,
+ size, size);
}
- return ret;
+ return 0;
}
static struct snd_soc_dai_driver byt_dais[] = {
diff --git a/sound/soc/intel/haswell/sst-haswell-pcm.c b/sound/soc/intel/haswell/sst-haswell-pcm.c
index fe2c826e710c..f21a7f2c11c2 100644
--- a/sound/soc/intel/haswell/sst-haswell-pcm.c
+++ b/sound/soc/intel/haswell/sst-haswell-pcm.c
@@ -946,27 +946,21 @@ static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd)
struct sst_pdata *pdata = dev_get_platdata(component->dev);
struct hsw_priv_data *priv_data = dev_get_drvdata(component->dev);
struct device *dev = pdata->dma_dev;
- int ret = 0;
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream ||
pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
- ret = snd_pcm_lib_preallocate_pages_for_all(pcm,
+ snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_DEV_SG,
dev,
hsw_pcm_hardware.buffer_bytes_max,
hsw_pcm_hardware.buffer_bytes_max);
- if (ret) {
- dev_err(rtd->dev, "dma buffer allocation failed %d\n",
- ret);
- return ret;
- }
}
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream)
priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_PLAYBACK].hsw_pcm = pcm;
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream)
priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_CAPTURE].hsw_pcm = pcm;
- return ret;
+ return 0;
}
#define HSW_FORMATS \
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 557f80c0bfe5..20c88c677473 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -1289,7 +1289,6 @@ static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd)
struct hdac_bus *bus = dev_get_drvdata(dai->dev);
struct snd_pcm *pcm = rtd->pcm;
unsigned int size;
- int retval = 0;
struct skl *skl = bus_to_skl(bus);
if (dai->driver->playback.channels_min ||
@@ -1298,17 +1297,13 @@ static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd)
size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
if (size > MAX_PREALLOC_SIZE)
size = MAX_PREALLOC_SIZE;
- retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
+ snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_DEV_SG,
snd_dma_pci_data(skl->pci),
size, MAX_PREALLOC_SIZE);
- if (retval) {
- dev_err(dai->dev, "dma buffer allocation fail\n");
- return retval;
- }
}
- return retval;
+ return 0;
}
static int skl_get_module_info(struct skl *skl, struct skl_module_cfg *mconfig)