linux-kernel - Re: [PATCH 3/4] clk: qcom: Add support to LPASS AUDIO

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Date:   Wed, 23 Sep 2020 00:49:12 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        sboyd@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     bjorn.andersson@...aro.org, mturquette@...libre.com,
        robh+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] clk: qcom: Add support to LPASS AUDIO_CC Glitch Free
 Mux clocks

On 17/09/2020 16:28, Srinivas Kandagatla wrote:
> GFM Muxes in AUDIO_CC control clocks to LPASS WSA and RX Codec Macros.
> This patch adds support to these muxes.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>   drivers/clk/qcom/Kconfig            |   7 +
>   drivers/clk/qcom/Makefile           |   1 +
>   drivers/clk/qcom/lpass-gfm-sm8250.c | 235 ++++++++++++++++++++++++++++
>   3 files changed, 243 insertions(+)
>   create mode 100644 drivers/clk/qcom/lpass-gfm-sm8250.c
> 
> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> index 2eda63b7c46c..4e46fd339e62 100644
> --- a/drivers/clk/qcom/Kconfig
> +++ b/drivers/clk/qcom/Kconfig
> @@ -494,4 +494,11 @@ config KRAITCC
>   	  Support for the Krait CPU clocks on Qualcomm devices.
>   	  Say Y if you want to support CPU frequency scaling.
>   
> +config CLK_GFM_LPASS_SM8250
> +	tristate "GFM LPASS Clocks"

Since this driver can be built as module, few things are missing (see 
below).

> +	depends on SND_SOC_QDSP6_COMMON
> +	help
> +	  Support for the GFM Glitch Free Mux LPASS clock. Say Y
> +	  if you want to support GFM Clocks on LPASS for SM8250 SoC.
> +

[skipped]

> +
> +static const struct of_device_id lpass_gfm_clk_match_table[] = {
> +	{
> +		.compatible = "qcom,sm8250-lpass-audiocc",
> +		.data = &audiocc_data,
> +	},
> +	{ }
> +};

MODULE_DEVICE_TABLE(of, lpass_gfm_clk_match_table);

> +
> +static struct platform_driver lpass_gfm_clk_driver = {
> +	.probe		= lpass_gfm_clk_driver_probe,
> +	.driver		= {
> +		.name	= "lpass-gfm-clk",
> +		.of_match_table = lpass_gfm_clk_match_table,
> +	},
> +};
> +builtin_platform_driver(lpass_gfm_clk_driver);


Wouldn't you like to use module_platform_driver() here, like other LPASS 
CC drivers do?

Also MODULE_LICENSE is missing.


-- 
With best wishes
Dmitry