[PATCH 2/3] ASoC: lpass-platform: don't use snd_soc_pcm_set_drvdata()

From: Kuninori Morimoto
Date: Mon Aug 01 2016 - 02:12:05 EST


From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

snd_soc_pcm_set_drvdata() will set driver data to rtd->dev,
but driver data of rtd->dev is already used as "rtd" on
soc_post_component_init().

static int soc_post_component_init(xxx)
{
...
dev_set_drvdata(rtd->dev, rtd);
...
}

To remove confusion, snd_soc_pcm_set/get_drvdata() should be
removed soon. This patch is for it.

qcom/lpass-platform.c sets struct lpass_pcm_data to rtd->dev today,
but we can replace it to struct lpass_data :: private_data.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---

** Note **

I did compile test only.
Please check it

sound/soc/qcom/lpass-platform.c | 14 +++++++-------
sound/soc/qcom/lpass.h | 2 ++
2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index db000c6..a144c14 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -84,9 +84,9 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_pcm_data *pcm_data = drvdata->private_data;
struct lpass_variant *v = drvdata->variant;
snd_pcm_format_t format = params_format(params);
unsigned int channels = params_channels(params);
@@ -177,9 +177,9 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_pcm_data *pcm_data = drvdata->private_data;
struct lpass_variant *v = drvdata->variant;
unsigned int reg;
int ret;
@@ -201,9 +201,9 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_pcm_data *pcm_data = drvdata->private_data;
struct lpass_variant *v = drvdata->variant;
int ret, ch, dir = substream->stream;

@@ -255,9 +255,9 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_pcm_data *pcm_data = drvdata->private_data;
struct lpass_variant *v = drvdata->variant;
int ret, ch, dir = substream->stream;

@@ -331,9 +331,9 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_pcm_data *pcm_data = drvdata->private_data;
struct lpass_variant *v = drvdata->variant;
unsigned int base_addr, curr_addr;
int ret, ch, dir = substream->stream;
@@ -483,7 +483,7 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
return -ENOMEM;

data->i2s_port = cpu_dai->driver->id;
- snd_soc_pcm_set_drvdata(soc_runtime, data);
+ drvdata->private_data = data;

psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
if (psubstream) {
@@ -570,8 +570,8 @@ static void lpass_platform_pcm_free(struct snd_pcm *pcm)
substream = pcm->streams[i].substream;
if (substream) {
rt = substream->private_data;
- data = snd_soc_pcm_get_drvdata(rt);
drvdata = snd_soc_platform_get_drvdata(rt->platform);
+ data = drvdata->private_data;

ch = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
? data->rdma_ch
diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index 30714ad..35b3cea 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -58,6 +58,8 @@ struct lpass_data {
/* 8016 specific */
struct clk *pcnoc_mport_clk;
struct clk *pcnoc_sway_clk;
+
+ void *private_data;
};

/* Vairant data per each SOC */
--
1.9.1