linux-kernel - Re: [PATCH v5 1/2] soundwire: qcom: Add compatible name for v1.6.0

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Date:   Mon, 28 Feb 2022 13:02:30 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>,
        agross@...nel.org, alsa-devel@...a-project.org,
        bgoswami@...eaurora.org, bjorn.andersson@...aro.org,
        broonie@...nel.org, devicetree@...r.kernel.org,
        judyhsiao@...omium.org, lgirdwood@...il.com,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        perex@...ex.cz, pierre-louis.bossart@...ux.intel.com,
        quic_plai@...cinc.com, robh+dt@...nel.org, rohitkr@...eaurora.org,
        sanyog.r.kale@...el.com, srinivas.kandagatla@...aro.org,
        tiwai@...e.com, yung-chuan.liao@...ux.intel.com
Cc:     Venkata Prasad Potturu <quic_potturu@...cinc.com>
Subject: Re: [PATCH v5 1/2] soundwire: qcom: Add compatible name for v1.6.0

Quoting Srinivasa Rao Mandadapu (2022-02-27 22:39:36)
> Update compatible string and master data information in soundwire driver
> to support v1.6.0 in lpass sc7280 based platform.
>
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
> Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
> Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
> ---
>  drivers/soundwire/qcom.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index 9eb31ba..fb183bd 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -175,6 +175,11 @@ static struct qcom_swrm_data swrm_v1_5_data = {
>         .default_cols = 16,
>  };
>
> +static struct qcom_swrm_data swrm_v1_6_data = {

Why not const?

> +       .default_rows = 50,
> +       .default_cols = 16,

This is the same as swrm_v1_5_data so just use that struct again?

> +};
> +
>  #define to_qcom_sdw(b) container_of(b, struct qcom_swrm_ctrl, bus)
>
>  static int qcom_swrm_ahb_reg_read(struct qcom_swrm_ctrl *ctrl, int reg,
> @@ -1343,6 +1348,7 @@ static int qcom_swrm_remove(struct platform_device *pdev)
>  static const struct of_device_id qcom_swrm_of_match[] = {
>         { .compatible = "qcom,soundwire-v1.3.0", .data = &swrm_v1_3_data },
>         { .compatible = "qcom,soundwire-v1.5.1", .data = &swrm_v1_5_data },

These other structs for v1.5 and v1.3 could also be const.

> +       { .compatible = "qcom,soundwire-v1.6.0", .data = &swrm_v1_6_data },
>         {/* sentinel */},