linux-kernel - Re: [PATCH v2 1/2] mbox: qcom: add APCS child device for QCS404

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Date:   Thu, 29 Aug 2019 06:59:44 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Cc:     sboyd@...nel.org, agross@...nel.org, jassisinghbrar@...il.com,
        niklas.cassel@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] mbox: qcom: add APCS child device for QCS404

On Thu 29 Aug 01:27 PDT 2019, Jorge Ramirez-Ortiz wrote:

> There is clock controller functionality in the APCS hardware block of
> qcs404 devices similar to msm8916.
> 
> Co-developed-by: Niklas Cassel <niklas.cassel@...aro.org>
> Signed-off-by: Niklas Cassel <niklas.cassel@...aro.org>
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>

Nice, I like this version.

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> ---
>  drivers/mailbox/qcom-apcs-ipc-mailbox.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> index 705e17a5479c..d3676fd3cf94 100644
> --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> @@ -47,7 +47,6 @@ static const struct mbox_chan_ops qcom_apcs_ipc_ops = {
>  
>  static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>  {
> -	struct device_node *np = pdev->dev.of_node;
>  	struct qcom_apcs_ipc *apcs;
>  	struct regmap *regmap;
>  	struct resource *res;
> @@ -55,6 +54,11 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>  	void __iomem *base;
>  	unsigned long i;
>  	int ret;
> +	const struct of_device_id apcs_clk_match_table[] = {
> +		{ .compatible = "qcom,msm8916-apcs-kpss-global", },
> +		{ .compatible = "qcom,qcs404-apcs-apps-global", },
> +		{}
> +	};
>  
>  	apcs = devm_kzalloc(&pdev->dev, sizeof(*apcs), GFP_KERNEL);
>  	if (!apcs)
> @@ -89,7 +93,7 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> -	if (of_device_is_compatible(np, "qcom,msm8916-apcs-kpss-global")) {
> +	if (of_match_device(apcs_clk_match_table, &pdev->dev)) {
>  		apcs->clk = platform_device_register_data(&pdev->dev,
>  							  "qcom-apcs-msm8916-clk",
>  							  -1, NULL, 0);
> -- 
> 2.22.0
>