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asoc: lpass-cdc: add ftrace log for NOC issue

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Add ftrace log to debug NOC issues.
When writing/reading lpass codec registers, add vote_lock
to make sure clk is not disabled.

Change-Id: I1df924d6aefee2899f7e5008851c1c324dabf62a
Signed-off-by: Meng Wang <mengw@codeaurora.org>
This commit is contained in:
Meng Wang
2021-06-18 15:32:03 +08:00
committed by Gerrit - the friendly Code Review server
parent a39bae0a48
commit 2344f44b9c
4 changed files with 36 additions and 13 deletions
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18
asoc/codecs/audio-ext-clk-up.c
View File

@@ -84,7 +84,8 @@ static int audio_ext_clk_prepare(struct clk_hw *hw)
if ((clk_priv->clk_src >= AUDIO_EXT_CLK_LPASS) &&
(clk_priv->clk_src < AUDIO_EXT_CLK_LPASS_MAX) && !clk_priv->clk_cfg.enable) {
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
pr_debug("%s: clk_id %x ",__func__, clk_priv->prm_clk_cfg.clk_id);
trace_printk("%s: clk_id %x \n", __func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_clk_cfg(&clk_priv->prm_clk_cfg,1);
#else
ret = afe_set_lpass_clk_cfg(IDX_RSVD_3, &clk_priv->clk_cfg);
@@ -134,9 +135,10 @@ static void audio_ext_clk_unprepare(struct clk_hw *hw)
(clk_priv->clk_src < AUDIO_EXT_CLK_LPASS_MAX)) {
clk_priv->clk_cfg.enable = 0;
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d",__func__,
pr_debug("%s: clk_id %x",__func__,
clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_clk_cfg(&clk_priv->prm_clk_cfg,0);
trace_printk("%s: clk_id %x \n", __func__, clk_priv->prm_clk_cfg.clk_id);
#else
ret = afe_set_lpass_clk_cfg(IDX_RSVD_3, &clk_priv->clk_cfg);
#endif
@@ -177,9 +179,10 @@ static int lpass_hw_vote_prepare(struct clk_hw *hw)
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE) {
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
pr_debug("%s: core vote clk_id %x \n",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_LPASS, 1);
trace_printk("%s: core vote clk_id %x \n", __func__, clk_priv->prm_clk_cfg.clk_id);
#else
ret = afe_vote_lpass_core_hw(AFE_LPASS_CORE_HW_MACRO_BLOCK,
"LPASS_HW_MACRO",
@@ -194,9 +197,10 @@ static int lpass_hw_vote_prepare(struct clk_hw *hw)
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_AUDIO_HW_VOTE) {
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
pr_debug("%s: audio vote clk_id %x \n",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_DCODEC, 1);
trace_printk("%s: audio vote clk_id %x \n", __func__, clk_priv->prm_clk_cfg.clk_id);
#else
ret = afe_vote_lpass_core_hw(AFE_LPASS_CORE_HW_DCODEC_BLOCK,
"LPASS_HW_DCODEC",
@@ -220,9 +224,10 @@ static void lpass_hw_vote_unprepare(struct clk_hw *hw)
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE) {
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
pr_debug("%s: core vote clk_id %x \n",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_LPASS, 0);
trace_printk("%s: core vote clk_id %x \n", __func__, clk_priv->prm_clk_cfg.clk_id);
#else
ret = afe_unvote_lpass_core_hw(
AFE_LPASS_CORE_HW_MACRO_BLOCK,
@@ -237,9 +242,10 @@ static void lpass_hw_vote_unprepare(struct clk_hw *hw)
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_AUDIO_HW_VOTE) {
#ifdef CONFIG_AUDIO_PRM
pr_debug("%s: clk_id %d ",__func__, clk_priv->prm_clk_cfg.clk_id);
pr_debug("%s: audio vote clk_id %x \n",__func__, clk_priv->prm_clk_cfg.clk_id);
ret = audio_prm_set_lpass_hw_core_req(&clk_priv->prm_clk_cfg,
HW_CORE_ID_DCODEC, 0);
trace_printk("%s: audio vote clk_id %x \n", __func__, clk_priv->prm_clk_cfg.clk_id);
#else
ret = afe_unvote_lpass_core_hw(
AFE_LPASS_CORE_HW_DCODEC_BLOCK,

2
asoc/codecs/lpass-cdc/lpass-cdc-va-macro.c
View File

@@ -709,6 +709,7 @@ static int lpass_cdc_va_macro_core_vote(void *handle, bool enable)
pr_err("%s: va priv data is NULL\n", __func__);
return -EINVAL;
}
trace_printk("%s, enter: enable %d\n", __func__, enable);
if (enable) {
pm_runtime_get_sync(va_priv->dev);
if (lpass_cdc_check_core_votes(va_priv->dev)) {
@@ -722,6 +723,7 @@ static int lpass_cdc_va_macro_core_vote(void *handle, bool enable)
pm_runtime_put_autosuspend(va_priv->dev);
pm_runtime_mark_last_busy(va_priv->dev);
}
trace_printk("%s, leave\n", __func__);
return rc;
}

28
asoc/codecs/lpass-cdc/lpass-cdc.c
View File

@@ -105,14 +105,18 @@ static int __lpass_cdc_reg_read(struct lpass_cdc_priv *priv,
if (priv->macro_params[VA_MACRO].dev) {
pm_runtime_get_sync(priv->macro_params[VA_MACRO].dev);
if (!lpass_cdc_check_core_votes(priv->macro_params[VA_MACRO].dev))
mutex_lock(&priv->vote_lock);
if (((priv->lpass_core_hw_vote && !priv->core_hw_vote_count) ||
(priv->lpass_audio_hw_vote && !priv->core_audio_vote_count))) {
mutex_unlock(&priv->vote_lock);
goto ssr_err;
}
}
lpass_cdc_ahb_read_device(
priv->macro_params[macro_id].io_base, reg, val);
if (priv->macro_params[VA_MACRO].dev) {
mutex_unlock(&priv->vote_lock);
pm_runtime_mark_last_busy(priv->macro_params[VA_MACRO].dev);
pm_runtime_put_autosuspend(priv->macro_params[VA_MACRO].dev);
}
@@ -135,14 +139,18 @@ static int __lpass_cdc_reg_write(struct lpass_cdc_priv *priv,
}
if (priv->macro_params[VA_MACRO].dev) {
pm_runtime_get_sync(priv->macro_params[VA_MACRO].dev);
if (!lpass_cdc_check_core_votes(priv->macro_params[VA_MACRO].dev))
mutex_lock(&priv->vote_lock);
if (((priv->lpass_core_hw_vote && !priv->core_hw_vote_count) ||
(priv->lpass_audio_hw_vote && !priv->core_audio_vote_count))) {
mutex_unlock(&priv->vote_lock);
goto ssr_err;
}
}
lpass_cdc_ahb_write_device(
priv->macro_params[macro_id].io_base, reg, val);
priv->macro_params[macro_id].io_base, reg, val);
if (priv->macro_params[VA_MACRO].dev) {
mutex_unlock(&priv->vote_lock);
pm_runtime_mark_last_busy(priv->macro_params[VA_MACRO].dev);
pm_runtime_put_autosuspend(priv->macro_params[VA_MACRO].dev);
}
@@ -1353,6 +1361,7 @@ int lpass_cdc_runtime_resume(struct device *dev)
struct lpass_cdc_priv *priv = dev_get_drvdata(dev->parent);
int ret = 0;
trace_printk("%s, enter\n", __func__);
mutex_lock(&priv->vote_lock);
if (priv->lpass_core_hw_vote == NULL) {
dev_dbg(dev, "%s: Invalid lpass core hw node\n", __func__);
@@ -1391,6 +1400,7 @@ audio_vote:
done:
mutex_unlock(&priv->vote_lock);
trace_printk("%s, leave\n", __func__);
pm_runtime_set_autosuspend_delay(priv->dev, LPASS_CDC_AUTO_SUSPEND_DELAY);
return 0;
}
@@ -1400,6 +1410,7 @@ int lpass_cdc_runtime_suspend(struct device *dev)
{
struct lpass_cdc_priv *priv = dev_get_drvdata(dev->parent);
trace_printk("%s, enter\n", __func__);
mutex_lock(&priv->vote_lock);
if (priv->lpass_core_hw_vote != NULL) {
if (--priv->core_hw_vote_count == 0)
@@ -1428,6 +1439,7 @@ int lpass_cdc_runtime_suspend(struct device *dev)
__func__, priv->core_audio_vote_count);
mutex_unlock(&priv->vote_lock);
trace_printk("%s, leave\n", __func__);
return 0;
}
EXPORT_SYMBOL(lpass_cdc_runtime_suspend);
@@ -1437,12 +1449,14 @@ bool lpass_cdc_check_core_votes(struct device *dev)
{
struct lpass_cdc_priv *priv = dev_get_drvdata(dev->parent);
bool ret = true;
trace_printk("%s, enter\n", __func__);
mutex_lock(&priv->vote_lock);
if ((priv->lpass_core_hw_vote && !priv->core_hw_vote_count) ||
if (!priv->dev_up ||
(priv->lpass_core_hw_vote && !priv->core_hw_vote_count) ||
(priv->lpass_audio_hw_vote && !priv->core_audio_vote_count))
ret = false;
mutex_unlock(&priv->vote_lock);
trace_printk("%s, leave\n", __func__);
return ret;
}

1
soc/swr-mstr-ctrl.c
View File

@@ -2248,6 +2248,7 @@ handle_irq:
if (intr_sts_masked) {
dev_dbg(swrm->dev, "%s: new interrupt received 0x%x\n",
__func__, intr_sts_masked);
trace_printk("%s, new interrupt received\n", __func__);
goto handle_irq;
}