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Date:   Fri, 28 Aug 2020 08:24:19 +0000
From:   "Liao, Bard" <bard.liao@...el.com>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>
CC:     "vinod.koul@...aro.org" <vinod.koul@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tiwai@...e.de" <tiwai@...e.de>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "jank@...ence.com" <jank@...ence.com>,
        "srinivas.kandagatla@...aro.org" <srinivas.kandagatla@...aro.org>,
        "rander.wang@...ux.intel.com" <rander.wang@...ux.intel.com>,
        "ranjani.sridharan@...ux.intel.com" 
        <ranjani.sridharan@...ux.intel.com>,
        "hui.wang@...onical.com" <hui.wang@...onical.com>,
        "pierre-louis.bossart@...ux.intel.com" 
        <pierre-louis.bossart@...ux.intel.com>,
        "Kale, Sanyog R" <sanyog.r.kale@...el.com>,
        "Lin, Mengdong" <mengdong.lin@...el.com>
Subject: RE: [PATCH v2 3/3] ASoC: codecs: fix port_ready[] dynamic allocation
 in ASoC codecs

Hi Mark,

> -----Original Message-----
> From: Bard Liao <yung-chuan.liao@...ux.intel.com>
> Sent: Friday, August 21, 2020 2:27 AM
> To: alsa-devel@...a-project.org; vkoul@...nel.org
> Cc: vinod.koul@...aro.org; linux-kernel@...r.kernel.org; tiwai@...e.de;
> broonie@...nel.org; gregkh@...uxfoundation.org; jank@...ence.com;
> srinivas.kandagatla@...aro.org; rander.wang@...ux.intel.com;
> ranjani.sridharan@...ux.intel.com; hui.wang@...onical.com; pierre-
> louis.bossart@...ux.intel.com; Kale, Sanyog R <sanyog.r.kale@...el.com>; Lin,
> Mengdong <mengdong.lin@...el.com>; Liao, Bard <bard.liao@...el.com>
> Subject: [PATCH v2 3/3] ASoC: codecs: fix port_ready[] dynamic allocation in
> ASoC codecs
> 
> From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> 
> As port_ready is now changed to a fixed array in sdw.h, we can't dynamic
> allocate it in codec drivers.
> 
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Rander Wang <rander.wang@...ux.intel.com>
> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
> Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
> ---
>  sound/soc/codecs/max98373-sdw.c | 15 +--------------
>  sound/soc/codecs/rt1308-sdw.c   | 14 +-------------
>  sound/soc/codecs/rt5682-sdw.c   | 15 +--------------
>  sound/soc/codecs/rt700-sdw.c    | 15 +--------------
>  sound/soc/codecs/rt711-sdw.c    | 15 +--------------
>  sound/soc/codecs/rt715-sdw.c    | 33 +--------------------------------
>  6 files changed, 6 insertions(+), 101 deletions(-)

Sorry to ping you, but the patch is really easy to be ignored since I
forget to add ASoC prefix  in the cover letter.
Could you Ack it if it looks good to you, please?


> 
> diff --git a/sound/soc/codecs/max98373-sdw.c
> b/sound/soc/codecs/max98373-sdw.c index 5fe724728e84..a3ec92775ea7
> 100644
> --- a/sound/soc/codecs/max98373-sdw.c
> +++ b/sound/soc/codecs/max98373-sdw.c
> @@ -282,7 +282,7 @@ static const struct dev_pm_ops max98373_pm =
> {  static int max98373_read_prop(struct sdw_slave *slave)  {
>  	struct sdw_slave_prop *prop = &slave->prop;
> -	int nval, i, num_of_ports;
> +	int nval, i;
>  	u32 bit;
>  	unsigned long addr;
>  	struct sdw_dpn_prop *dpn;
> @@ -295,7 +295,6 @@ static int max98373_read_prop(struct sdw_slave
> *slave)
>  	prop->clk_stop_timeout = 20;
> 
>  	nval = hweight32(prop->source_ports);
> -	num_of_ports = nval;
>  	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  					  sizeof(*prop->src_dpn_prop),
>  					  GFP_KERNEL);
> @@ -315,7 +314,6 @@ static int max98373_read_prop(struct sdw_slave
> *slave)
> 
>  	/* do this again for sink now */
>  	nval = hweight32(prop->sink_ports);
> -	num_of_ports += nval;
>  	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  					   sizeof(*prop->sink_dpn_prop),
>  					   GFP_KERNEL);
> @@ -333,17 +331,6 @@ static int max98373_read_prop(struct sdw_slave
> *slave)
>  		i++;
>  	}
> 
> -	/* Allocate port_ready based on num_of_ports */
> -	slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
> -					 sizeof(*slave->port_ready),
> -					 GFP_KERNEL);
> -	if (!slave->port_ready)
> -		return -ENOMEM;
> -
> -	/* Initialize completion */
> -	for (i = 0; i < num_of_ports; i++)
> -		init_completion(&slave->port_ready[i]);
> -
>  	/* set the timeout values */
>  	prop->clk_stop_timeout = 20;
> 
> diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c
> index b0ba0d2acbdd..09c69dbab12a 100644
> --- a/sound/soc/codecs/rt1308-sdw.c
> +++ b/sound/soc/codecs/rt1308-sdw.c
> @@ -118,7 +118,7 @@ static int rt1308_clock_config(struct device *dev)
> static int rt1308_read_prop(struct sdw_slave *slave)  {
>  	struct sdw_slave_prop *prop = &slave->prop;
> -	int nval, i, num_of_ports = 1;
> +	int nval, i;
>  	u32 bit;
>  	unsigned long addr;
>  	struct sdw_dpn_prop *dpn;
> @@ -131,7 +131,6 @@ static int rt1308_read_prop(struct sdw_slave *slave)
> 
>  	/* for sink */
>  	nval = hweight32(prop->sink_ports);
> -	num_of_ports += nval;
>  	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  						sizeof(*prop-
> >sink_dpn_prop),
>  						GFP_KERNEL);
> @@ -149,17 +148,6 @@ static int rt1308_read_prop(struct sdw_slave *slave)
>  		i++;
>  	}
> 
> -	/* Allocate port_ready based on num_of_ports */
> -	slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
> -					sizeof(*slave->port_ready),
> -					GFP_KERNEL);
> -	if (!slave->port_ready)
> -		return -ENOMEM;
> -
> -	/* Initialize completion */
> -	for (i = 0; i < num_of_ports; i++)
> -		init_completion(&slave->port_ready[i]);
> -
>  	/* set the timeout values */
>  	prop->clk_stop_timeout = 20;
> 
> diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
> index 94bf6bee78e6..b7c97aba7f17 100644
> --- a/sound/soc/codecs/rt5682-sdw.c
> +++ b/sound/soc/codecs/rt5682-sdw.c
> @@ -537,7 +537,7 @@ static int rt5682_update_status(struct sdw_slave
> *slave,  static int rt5682_read_prop(struct sdw_slave *slave)  {
>  	struct sdw_slave_prop *prop = &slave->prop;
> -	int nval, i, num_of_ports = 1;
> +	int nval, i;
>  	u32 bit;
>  	unsigned long addr;
>  	struct sdw_dpn_prop *dpn;
> @@ -549,7 +549,6 @@ static int rt5682_read_prop(struct sdw_slave *slave)
>  	prop->sink_ports = 0x2;		/* BITMAP: 00000010 */
> 
>  	nval = hweight32(prop->source_ports);
> -	num_of_ports += nval;
>  	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  					  sizeof(*prop->src_dpn_prop),
>  					  GFP_KERNEL);
> @@ -569,7 +568,6 @@ static int rt5682_read_prop(struct sdw_slave *slave)
> 
>  	/* do this again for sink now */
>  	nval = hweight32(prop->sink_ports);
> -	num_of_ports += nval;
>  	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  					   sizeof(*prop->sink_dpn_prop),
>  					   GFP_KERNEL);
> @@ -587,17 +585,6 @@ static int rt5682_read_prop(struct sdw_slave *slave)
>  		i++;
>  	}
> 
> -	/* Allocate port_ready based on num_of_ports */
> -	slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
> -					 sizeof(*slave->port_ready),
> -					 GFP_KERNEL);
> -	if (!slave->port_ready)
> -		return -ENOMEM;
> -
> -	/* Initialize completion */
> -	for (i = 0; i < num_of_ports; i++)
> -		init_completion(&slave->port_ready[i]);
> -
>  	/* set the timeout values */
>  	prop->clk_stop_timeout = 20;
> 
> diff --git a/sound/soc/codecs/rt700-sdw.c b/sound/soc/codecs/rt700-sdw.c
> index 4d14048d1197..b19fbcc12c69 100644
> --- a/sound/soc/codecs/rt700-sdw.c
> +++ b/sound/soc/codecs/rt700-sdw.c
> @@ -333,7 +333,7 @@ static int rt700_update_status(struct sdw_slave
> *slave,  static int rt700_read_prop(struct sdw_slave *slave)  {
>  	struct sdw_slave_prop *prop = &slave->prop;
> -	int nval, i, num_of_ports = 1;
> +	int nval, i;
>  	u32 bit;
>  	unsigned long addr;
>  	struct sdw_dpn_prop *dpn;
> @@ -345,7 +345,6 @@ static int rt700_read_prop(struct sdw_slave *slave)
>  	prop->sink_ports = 0xA; /* BITMAP:  00001010 */
> 
>  	nval = hweight32(prop->source_ports);
> -	num_of_ports += nval;
>  	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  						sizeof(*prop->src_dpn_prop),
>  						GFP_KERNEL);
> @@ -365,7 +364,6 @@ static int rt700_read_prop(struct sdw_slave *slave)
> 
>  	/* do this again for sink now */
>  	nval = hweight32(prop->sink_ports);
> -	num_of_ports += nval;
>  	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  						sizeof(*prop-
> >sink_dpn_prop),
>  						GFP_KERNEL);
> @@ -383,17 +381,6 @@ static int rt700_read_prop(struct sdw_slave *slave)
>  		i++;
>  	}
> 
> -	/* Allocate port_ready based on num_of_ports */
> -	slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
> -					sizeof(*slave->port_ready),
> -					GFP_KERNEL);
> -	if (!slave->port_ready)
> -		return -ENOMEM;
> -
> -	/* Initialize completion */
> -	for (i = 0; i < num_of_ports; i++)
> -		init_completion(&slave->port_ready[i]);
> -
>  	/* set the timeout values */
>  	prop->clk_stop_timeout = 20;
> 
> diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c
> index 45b928954b58..dc4a2b482462 100644
> --- a/sound/soc/codecs/rt711-sdw.c
> +++ b/sound/soc/codecs/rt711-sdw.c
> @@ -337,7 +337,7 @@ static int rt711_update_status(struct sdw_slave
> *slave,  static int rt711_read_prop(struct sdw_slave *slave)  {
>  	struct sdw_slave_prop *prop = &slave->prop;
> -	int nval, i, num_of_ports = 1;
> +	int nval, i;
>  	u32 bit;
>  	unsigned long addr;
>  	struct sdw_dpn_prop *dpn;
> @@ -349,7 +349,6 @@ static int rt711_read_prop(struct sdw_slave *slave)
>  	prop->sink_ports = 0x8; /* BITMAP:  00001000 */
> 
>  	nval = hweight32(prop->source_ports);
> -	num_of_ports += nval;
>  	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  						sizeof(*prop->src_dpn_prop),
>  						GFP_KERNEL);
> @@ -369,7 +368,6 @@ static int rt711_read_prop(struct sdw_slave *slave)
> 
>  	/* do this again for sink now */
>  	nval = hweight32(prop->sink_ports);
> -	num_of_ports += nval;
>  	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  						sizeof(*prop-
> >sink_dpn_prop),
>  						GFP_KERNEL);
> @@ -387,17 +385,6 @@ static int rt711_read_prop(struct sdw_slave *slave)
>  		i++;
>  	}
> 
> -	/* Allocate port_ready based on num_of_ports */
> -	slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
> -					sizeof(*slave->port_ready),
> -					GFP_KERNEL);
> -	if (!slave->port_ready)
> -		return -ENOMEM;
> -
> -	/* Initialize completion */
> -	for (i = 0; i < num_of_ports; i++)
> -		init_completion(&slave->port_ready[i]);
> -
>  	/* set the timeout values */
>  	prop->clk_stop_timeout = 20;
> 
> diff --git a/sound/soc/codecs/rt715-sdw.c b/sound/soc/codecs/rt715-sdw.c
> index d11b23d6b240..d8ed07305ffc 100644
> --- a/sound/soc/codecs/rt715-sdw.c
> +++ b/sound/soc/codecs/rt715-sdw.c
> @@ -431,7 +431,7 @@ static int rt715_update_status(struct sdw_slave
> *slave,  static int rt715_read_prop(struct sdw_slave *slave)  {
>  	struct sdw_slave_prop *prop = &slave->prop;
> -	int nval, i, num_of_ports = 1;
> +	int nval, i;
>  	u32 bit;
>  	unsigned long addr;
>  	struct sdw_dpn_prop *dpn;
> @@ -443,7 +443,6 @@ static int rt715_read_prop(struct sdw_slave *slave)
>  	prop->sink_ports = 0x0;	/* BITMAP:  00000000 */
> 
>  	nval = hweight32(prop->source_ports);
> -	num_of_ports += nval;
>  	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
>  					sizeof(*prop->src_dpn_prop),
>  					GFP_KERNEL);
> @@ -460,36 +459,6 @@ static int rt715_read_prop(struct sdw_slave *slave)
>  		i++;
>  	}
> 
> -	/* do this again for sink now */
> -	nval = hweight32(prop->sink_ports);
> -	num_of_ports += nval;
> -	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
> -					sizeof(*prop->sink_dpn_prop),
> -					GFP_KERNEL);
> -	if (!prop->sink_dpn_prop)
> -		return -ENOMEM;
> -
> -	dpn = prop->sink_dpn_prop;
> -	i = 0;
> -	addr = prop->sink_ports;
> -	for_each_set_bit(bit, &addr, 32) {
> -		dpn[i].num = bit;
> -		dpn[i].simple_ch_prep_sm = true;
> -		dpn[i].ch_prep_timeout = 10;
> -		i++;
> -	}
> -
> -	/* Allocate port_ready based on num_of_ports */
> -	slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
> -					sizeof(*slave->port_ready),
> -					GFP_KERNEL);
> -	if (!slave->port_ready)
> -		return -ENOMEM;
> -
> -	/* Initialize completion */
> -	for (i = 0; i < num_of_ports; i++)
> -		init_completion(&slave->port_ready[i]);
> -
>  	/* set the timeout values */
>  	prop->clk_stop_timeout = 20;
> 
> --
> 2.17.1

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