linux-kernel - Re: [PATCH 1/2] soundwire: remove is

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Date:   Wed, 23 Nov 2022 20:14:02 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        pierre-louis.bossart@...ux.intel.com, bard.liao@...el.com
Subject: Re: [PATCH 1/2] soundwire: remove is_sdca boolean property

On 11-11-22, 10:16, Bard Liao wrote:
> From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> 
> The Device_ID registers already tell us if a device supports the SDCA
> specification or not, in hindsight we never needed a property when the
> information is reported by both hardware and ACPI.
> 
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Rander Wang <rander.wang@...el.com>
> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
> Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
> ---
>  drivers/soundwire/bus.c           | 4 ++--
>  include/linux/soundwire/sdw.h     | 2 --
>  sound/soc/codecs/rt1316-sdw.c     | 1 -
>  sound/soc/codecs/rt711-sdca-sdw.c | 1 -

The change lgtm, but needs ACK from Mark. Please split the ASoC bit to
separate patch and copy Mark (that can be first patch here)

>  4 files changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
> index 76515c33e639..c23275b443ac 100644
> --- a/drivers/soundwire/bus.c
> +++ b/drivers/soundwire/bus.c
> @@ -1587,7 +1587,7 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
>  		goto io_err;
>  	}
>  
> -	if (slave->prop.is_sdca) {
> +	if (slave->id.class_id) {
>  		ret = sdw_read_no_pm(slave, SDW_DP0_INT);
>  		if (ret < 0) {
>  			dev_err(&slave->dev,
> @@ -1724,7 +1724,7 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave)
>  			goto io_err;
>  		}
>  
> -		if (slave->prop.is_sdca) {
> +		if (slave->id.class_id) {
>  			ret = sdw_read_no_pm(slave, SDW_DP0_INT);
>  			if (ret < 0) {
>  				dev_err(&slave->dev,
> diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
> index 9e4537f409c2..8fb458931772 100644
> --- a/include/linux/soundwire/sdw.h
> +++ b/include/linux/soundwire/sdw.h
> @@ -365,7 +365,6 @@ struct sdw_dpn_prop {
>   * @sink_dpn_prop: Sink Data Port N properties
>   * @scp_int1_mask: SCP_INT1_MASK desired settings
>   * @quirks: bitmask identifying deltas from the MIPI specification
> - * @is_sdca: the Slave supports the SDCA specification
>   */
>  struct sdw_slave_prop {
>  	u32 mipi_revision;
> @@ -389,7 +388,6 @@ struct sdw_slave_prop {
>  	struct sdw_dpn_prop *sink_dpn_prop;
>  	u8 scp_int1_mask;
>  	u32 quirks;
> -	bool is_sdca;
>  };
>  
>  #define SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY	BIT(0)
> diff --git a/sound/soc/codecs/rt1316-sdw.c b/sound/soc/codecs/rt1316-sdw.c
> index ed0a11436362..8b27401237f7 100644
> --- a/sound/soc/codecs/rt1316-sdw.c
> +++ b/sound/soc/codecs/rt1316-sdw.c
> @@ -203,7 +203,6 @@ static int rt1316_read_prop(struct sdw_slave *slave)
>  
>  	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
>  	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
> -	prop->is_sdca = true;
>  
>  	prop->paging_support = true;
>  
> diff --git a/sound/soc/codecs/rt711-sdca-sdw.c b/sound/soc/codecs/rt711-sdca-sdw.c
> index 4120842fe699..6ca8795eed68 100644
> --- a/sound/soc/codecs/rt711-sdca-sdw.c
> +++ b/sound/soc/codecs/rt711-sdca-sdw.c
> @@ -186,7 +186,6 @@ static int rt711_sdca_read_prop(struct sdw_slave *slave)
>  
>  	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
>  	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
> -	prop->is_sdca = true;
>  
>  	prop->paging_support = true;
>  
> -- 
> 2.25.1

-- 
~Vinod