Add missing error messages. Propagate error of uni_reader_init and uni_reader_init. Add return at end of dev_err strings.
Signed-off-by: Arnaud Pouliquen arnaud.pouliquen@st.com --- sound/soc/sti/sti_uniperif.c | 20 ++++++++------ sound/soc/sti/uniperif_player.c | 58 +++++++++++++++++++++++------------------ sound/soc/sti/uniperif_reader.c | 25 +++++++++--------- 3 files changed, 58 insertions(+), 45 deletions(-)
diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c index 549fac3..ee91ae5 100644 --- a/sound/soc/sti/sti_uniperif.c +++ b/sound/soc/sti/sti_uniperif.c @@ -293,7 +293,7 @@ static int sti_uniperiph_dai_suspend(struct snd_soc_dai *dai)
/* The uniperipheral should be in stopped state */ if (uni->state != UNIPERIF_STATE_STOPPED) { - dev_err(uni->dev, "%s: invalid uni state( %d)", + dev_err(uni->dev, "%s: invalid uni state( %d)\n", __func__, (int)uni->state); return -EBUSY; } @@ -301,7 +301,7 @@ static int sti_uniperiph_dai_suspend(struct snd_soc_dai *dai) /* Pinctrl: switch pinstate to sleep */ ret = pinctrl_pm_select_sleep_state(uni->dev); if (ret) - dev_err(uni->dev, "%s: failed to select pinctrl state", + dev_err(uni->dev, "%s: failed to select pinctrl state\n", __func__);
return ret; @@ -322,7 +322,7 @@ static int sti_uniperiph_dai_resume(struct snd_soc_dai *dai) /* pinctrl: switch pinstate to default */ ret = pinctrl_pm_select_default_state(uni->dev); if (ret) - dev_err(uni->dev, "%s: failed to select pinctrl state", + dev_err(uni->dev, "%s: failed to select pinctrl state\n", __func__);
return ret; @@ -366,11 +366,12 @@ static int sti_uniperiph_cpu_dai_of(struct device_node *node, const struct of_device_id *of_id; const struct sti_uniperiph_dev_data *dev_data; const char *mode; + int ret;
/* Populate data structure depending on compatibility */ of_id = of_match_node(snd_soc_sti_match, node); if (!of_id->data) { - dev_err(dev, "data associated to device is missing"); + dev_err(dev, "data associated to device is missing\n"); return -EINVAL; } dev_data = (struct sti_uniperiph_dev_data *)of_id->data; @@ -389,7 +390,7 @@ static int sti_uniperiph_cpu_dai_of(struct device_node *node, uni->mem_region = platform_get_resource(priv->pdev, IORESOURCE_MEM, 0);
if (!uni->mem_region) { - dev_err(dev, "Failed to get memory resource"); + dev_err(dev, "Failed to get memory resource\n"); return -ENODEV; }
@@ -403,7 +404,7 @@ static int sti_uniperiph_cpu_dai_of(struct device_node *node,
uni->irq = platform_get_irq(priv->pdev, 0); if (uni->irq < 0) { - dev_err(dev, "Failed to get IRQ resource"); + dev_err(dev, "Failed to get IRQ resource\n"); return -ENXIO; }
@@ -421,12 +422,15 @@ static int sti_uniperiph_cpu_dai_of(struct device_node *node, dai_data->stream = dev_data->stream;
if (priv->dai_data.stream == SNDRV_PCM_STREAM_PLAYBACK) { - uni_player_init(priv->pdev, uni); + ret = uni_player_init(priv->pdev, uni); stream = &dai->playback; } else { - uni_reader_init(priv->pdev, uni); + ret = uni_reader_init(priv->pdev, uni); stream = &dai->capture; } + if (ret < 0) + return ret; + dai->ops = uni->dai_ops;
stream->stream_name = dai->name; diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index 1bc8ebc..c9b4670 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -67,7 +67,7 @@ static inline int reset_player(struct uniperif *player) }
if (!count) { - dev_err(player->dev, "Failed to reset uniperif"); + dev_err(player->dev, "Failed to reset uniperif\n"); return -EIO; }
@@ -97,7 +97,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id)
/* Check for fifo error (underrun) */ if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(player))) { - dev_err(player->dev, "FIFO underflow error detected"); + dev_err(player->dev, "FIFO underflow error detected\n");
/* Interrupt is just for information when underflow recovery */ if (player->underflow_enabled) { @@ -119,7 +119,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id)
/* Check for dma error (overrun) */ if (unlikely(status & UNIPERIF_ITS_DMA_ERROR_MASK(player))) { - dev_err(player->dev, "DMA error detected"); + dev_err(player->dev, "DMA error detected\n");
/* Disable interrupt so doesn't continually fire */ SET_UNIPERIF_ITM_BCLR_DMA_ERROR(player); @@ -135,11 +135,14 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id) /* Check for underflow recovery done */ if (unlikely(status & UNIPERIF_ITM_UNDERFLOW_REC_DONE_MASK(player))) { if (!player->underflow_enabled) { - dev_err(player->dev, "unexpected Underflow recovering"); + dev_err(player->dev, + "unexpected Underflow recovering\n"); return -EPERM; } /* Read the underflow recovery duration */ tmp = GET_UNIPERIF_STATUS_1_UNDERFLOW_DURATION(player); + dev_dbg(player->dev, "Underflow recovered (%d LR clocks max)\n", + tmp);
/* Clear the underflow recovery duration */ SET_UNIPERIF_BIT_CONTROL_CLR_UNDERFLOW_DURATION(player); @@ -153,7 +156,7 @@ static irqreturn_t uni_player_irq_handler(int irq, void *dev_id) /* Check if underflow recovery failed */ if (unlikely(status & UNIPERIF_ITM_UNDERFLOW_REC_FAILED_MASK(player))) { - dev_err(player->dev, "Underflow recovery failed"); + dev_err(player->dev, "Underflow recovery failed\n");
/* Stop the player */ snd_pcm_stream_lock(player->substream); @@ -336,7 +339,7 @@ static int uni_player_prepare_iec958(struct uniperif *player,
/* Oversampling must be multiple of 128 as iec958 frame is 32-bits */ if ((clk_div % 128) || (clk_div <= 0)) { - dev_err(player->dev, "%s: invalid clk_div %d", + dev_err(player->dev, "%s: invalid clk_div %d\n", __func__, clk_div); return -EINVAL; } @@ -359,7 +362,7 @@ static int uni_player_prepare_iec958(struct uniperif *player, SET_UNIPERIF_I2S_FMT_DATA_SIZE_24(player); break; default: - dev_err(player->dev, "format not supported"); + dev_err(player->dev, "format not supported\n"); return -EINVAL; }
@@ -448,12 +451,12 @@ static int uni_player_prepare_pcm(struct uniperif *player, * for 16 bits must be a multiple of 64 */ if ((slot_width == 32) && (clk_div % 128)) { - dev_err(player->dev, "%s: invalid clk_div", __func__); + dev_err(player->dev, "%s: invalid clk_div\n", __func__); return -EINVAL; }
if ((slot_width == 16) && (clk_div % 64)) { - dev_err(player->dev, "%s: invalid clk_div", __func__); + dev_err(player->dev, "%s: invalid clk_div\n", __func__); return -EINVAL; }
@@ -471,7 +474,7 @@ static int uni_player_prepare_pcm(struct uniperif *player, SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(player); break; default: - dev_err(player->dev, "subframe format not supported"); + dev_err(player->dev, "subframe format not supported\n"); return -EINVAL; }
@@ -491,7 +494,7 @@ static int uni_player_prepare_pcm(struct uniperif *player, break;
default: - dev_err(player->dev, "format not supported"); + dev_err(player->dev, "format not supported\n"); return -EINVAL; }
@@ -504,7 +507,7 @@ static int uni_player_prepare_pcm(struct uniperif *player, /* Number of channelsmust be even*/ if ((runtime->channels % 2) || (runtime->channels < 2) || (runtime->channels > 10)) { - dev_err(player->dev, "%s: invalid nb of channels", __func__); + dev_err(player->dev, "%s: invalid nb of channels\n", __func__); return -EINVAL; }
@@ -758,7 +761,7 @@ static int uni_player_prepare(struct snd_pcm_substream *substream,
/* The player should be stopped */ if (player->state != UNIPERIF_STATE_STOPPED) { - dev_err(player->dev, "%s: invalid player state %d", __func__, + dev_err(player->dev, "%s: invalid player state %d\n", __func__, player->state); return -EINVAL; } @@ -787,7 +790,8 @@ static int uni_player_prepare(struct snd_pcm_substream *substream, /* Trigger limit must be an even number */ if ((!trigger_limit % 2) || (trigger_limit != 1 && transfer_size % 2) || (trigger_limit > UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(player))) { - dev_err(player->dev, "invalid trigger limit %d", trigger_limit); + dev_err(player->dev, "invalid trigger limit %d\n", + trigger_limit); return -EINVAL; }
@@ -808,7 +812,7 @@ static int uni_player_prepare(struct snd_pcm_substream *substream, ret = uni_player_prepare_tdm(player, runtime); break; default: - dev_err(player->dev, "invalid player type"); + dev_err(player->dev, "invalid player type\n"); return -EINVAL; }
@@ -848,7 +852,7 @@ static int uni_player_prepare(struct snd_pcm_substream *substream, SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(player); break; default: - dev_err(player->dev, "format not supported"); + dev_err(player->dev, "format not supported\n"); return -EINVAL; }
@@ -866,13 +870,13 @@ static int uni_player_start(struct uniperif *player)
/* The player should be stopped */ if (player->state != UNIPERIF_STATE_STOPPED) { - dev_err(player->dev, "%s: invalid player state", __func__); + dev_err(player->dev, "%s: invalid player state\n", __func__); return -EINVAL; }
ret = clk_prepare_enable(player->clk); if (ret) { - dev_err(player->dev, "%s: Failed to enable clock", __func__); + dev_err(player->dev, "%s: Failed to enable clock\n", __func__); return ret; }
@@ -934,7 +938,7 @@ static int uni_player_stop(struct uniperif *player)
/* The player should not be in stopped state */ if (player->state == UNIPERIF_STATE_STOPPED) { - dev_err(player->dev, "%s: invalid player state", __func__); + dev_err(player->dev, "%s: invalid player state\n", __func__); return -EINVAL; }
@@ -969,7 +973,7 @@ int uni_player_resume(struct uniperif *player) ret = regmap_field_write(player->clk_sel, 1); if (ret) { dev_err(player->dev, - "%s: Failed to select freq synth clock", + "%s: Failed to select freq synth clock\n", __func__); return ret; } @@ -1066,7 +1070,7 @@ int uni_player_init(struct platform_device *pdev, ret = uni_player_parse_dt_audio_glue(pdev, player);
if (ret < 0) { - dev_err(player->dev, "Failed to parse DeviceTree"); + dev_err(player->dev, "Failed to parse DeviceTree\n"); return ret; }
@@ -1081,15 +1085,17 @@ int uni_player_init(struct platform_device *pdev,
/* Get uniperif resource */ player->clk = of_clk_get(pdev->dev.of_node, 0); - if (IS_ERR(player->clk)) + if (IS_ERR(player->clk)) { + dev_err(player->dev, "Failed to get clock\n"); ret = PTR_ERR(player->clk); + }
/* Select the frequency synthesizer clock */ if (player->clk_sel) { ret = regmap_field_write(player->clk_sel, 1); if (ret) { dev_err(player->dev, - "%s: Failed to select freq synth clock", + "%s: Failed to select freq synth clock\n", __func__); return ret; } @@ -1101,7 +1107,7 @@ int uni_player_init(struct platform_device *pdev, ret = regmap_field_write(player->valid_sel, player->id); if (ret) { dev_err(player->dev, - "%s: unable to connect to tdm bus", __func__); + "%s: unable to connect to tdm bus\n", __func__); return ret; } } @@ -1109,8 +1115,10 @@ int uni_player_init(struct platform_device *pdev, ret = devm_request_irq(&pdev->dev, player->irq, uni_player_irq_handler, IRQF_SHARED, dev_name(&pdev->dev), player); - if (ret < 0) + if (ret < 0) { + dev_err(player->dev, "unable to request IRQ %d\n", player->irq); return ret; + }
mutex_init(&player->ctrl_lock);
diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index 0e1c3ee..09314f8 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -52,7 +52,7 @@ static irqreturn_t uni_reader_irq_handler(int irq, void *dev_id)
if (reader->state == UNIPERIF_STATE_STOPPED) { /* Unexpected IRQ: do nothing */ - dev_warn(reader->dev, "unexpected IRQ "); + dev_warn(reader->dev, "unexpected IRQ\n"); return IRQ_HANDLED; }
@@ -62,7 +62,7 @@ static irqreturn_t uni_reader_irq_handler(int irq, void *dev_id)
/* Check for fifo overflow error */ if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(reader))) { - dev_err(reader->dev, "FIFO error detected"); + dev_err(reader->dev, "FIFO error detected\n");
snd_pcm_stream_lock(reader->substream); snd_pcm_stop(reader->substream, SNDRV_PCM_STATE_XRUN); @@ -105,7 +105,7 @@ static int uni_reader_prepare_pcm(struct snd_pcm_runtime *runtime, SET_UNIPERIF_I2S_FMT_DATA_SIZE_16(reader); break; default: - dev_err(reader->dev, "subframe format not supported"); + dev_err(reader->dev, "subframe format not supported\n"); return -EINVAL; }
@@ -125,14 +125,14 @@ static int uni_reader_prepare_pcm(struct snd_pcm_runtime *runtime, break;
default: - dev_err(reader->dev, "format not supported"); + dev_err(reader->dev, "format not supported\n"); return -EINVAL; }
/* Number of channels must be even */ if ((runtime->channels % 2) || (runtime->channels < 2) || (runtime->channels > 10)) { - dev_err(reader->dev, "%s: invalid nb of channels", __func__); + dev_err(reader->dev, "%s: invalid nb of channels\n", __func__); return -EINVAL; }
@@ -190,7 +190,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream,
/* The reader should be stopped */ if (reader->state != UNIPERIF_STATE_STOPPED) { - dev_err(reader->dev, "%s: invalid reader state %d", __func__, + dev_err(reader->dev, "%s: invalid reader state %d\n", __func__, reader->state); return -EINVAL; } @@ -219,7 +219,8 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, if ((!trigger_limit % 2) || (trigger_limit != 1 && transfer_size % 2) || (trigger_limit > UNIPERIF_CONFIG_DMA_TRIG_LIMIT_MASK(reader))) { - dev_err(reader->dev, "invalid trigger limit %d", trigger_limit); + dev_err(reader->dev, "invalid trigger limit %d\n", + trigger_limit); return -EINVAL; }
@@ -246,7 +247,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, SET_UNIPERIF_I2S_FMT_PADDING_SONY_MODE(reader); break; default: - dev_err(reader->dev, "format not supported"); + dev_err(reader->dev, "format not supported\n"); return -EINVAL; }
@@ -294,7 +295,7 @@ static int uni_reader_prepare(struct snd_pcm_substream *substream, count--; } if (!count) { - dev_err(reader->dev, "Failed to reset uniperif"); + dev_err(reader->dev, "Failed to reset uniperif\n"); return -EIO; }
@@ -305,7 +306,7 @@ static int uni_reader_start(struct uniperif *reader) { /* The reader should be stopped */ if (reader->state != UNIPERIF_STATE_STOPPED) { - dev_err(reader->dev, "%s: invalid reader state", __func__); + dev_err(reader->dev, "%s: invalid reader state\n", __func__); return -EINVAL; }
@@ -325,7 +326,7 @@ static int uni_reader_stop(struct uniperif *reader) { /* The reader should not be in stopped state */ if (reader->state == UNIPERIF_STATE_STOPPED) { - dev_err(reader->dev, "%s: invalid reader state", __func__); + dev_err(reader->dev, "%s: invalid reader state\n", __func__); return -EINVAL; }
@@ -423,7 +424,7 @@ int uni_reader_init(struct platform_device *pdev, uni_reader_irq_handler, IRQF_SHARED, dev_name(&pdev->dev), reader); if (ret < 0) { - dev_err(&pdev->dev, "Failed to request IRQ"); + dev_err(&pdev->dev, "Failed to request IRQ\n"); return -EBUSY; }