linux-kernel - Re: [PATCH 4/6] ASoC: codecs: wsa884x: parse port-mapping information

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <tlaykv4bx6uizimz3jnprevwbuvygitvacbbdixzrwq4llaz6e@6qpswvidl4iq>
Date: Thu, 27 Jun 2024 16:38:02 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Banajit Goswami <bgoswami@...cinc.com>, 
	Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	linux-arm-msm@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>, 
	alsa-devel@...a-project.org, linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH 4/6] ASoC: codecs: wsa884x: parse port-mapping information

On Thu, Jun 27, 2024 at 12:55:20PM GMT, Srinivas Kandagatla wrote:
> Add support to parse static master port map information from device tree.
> This is required for correct port mapping between soundwire device and
> master ports.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  sound/soc/codecs/wsa884x.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/sound/soc/codecs/wsa884x.c b/sound/soc/codecs/wsa884x.c
> index a9767ef0e39d..72ff71bfb827 100644
> --- a/sound/soc/codecs/wsa884x.c
> +++ b/sound/soc/codecs/wsa884x.c
> @@ -1887,6 +1887,14 @@ static int wsa884x_probe(struct sdw_slave *pdev,
>  	wsa884x->sconfig.direction = SDW_DATA_DIR_RX;
>  	wsa884x->sconfig.type = SDW_STREAM_PDM;
>  
> +	/**
> +	 * Port map index starts with 0, however the data port for this codec
> +	 * are from index 1
> +	 */
> +	if (of_property_read_u32_array(dev->of_node, "qcom,port-mapping", &pdev->m_port_map[1],
> +					WSA884X_MAX_SWR_PORTS))
> +		dev_info(dev, "Static Port mapping not specified\n");

Same comment. Either dev_warn (if it's something to warn about) or
dev_info.

Or, as your commit message mentions that it is required, it should be an
error if the port mapping is not specified.

> +
>  	pdev->prop.sink_ports = GENMASK(WSA884X_MAX_SWR_PORTS, 0);
>  	pdev->prop.simple_clk_stop_capable = true;
>  	pdev->prop.sink_dpn_prop = wsa884x_sink_dpn_prop;
> 
> -- 
> 2.25.1
> 

-- 
With best wishes
Dmitry