linux-kernel - Re: [PATCH v6 2/4] mailbox: qcom-apcs-ipc: add IPQ8074 APSS clock controller support

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Message-ID: <Ys8ukbAbrxwLG0XH@builder.lan>
Date:   Wed, 13 Jul 2022 15:44:01 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Robert Marko <robimarko@...il.com>
Cc:     agross@...nel.org, konrad.dybcio@...ainline.org,
        jassisinghbrar@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        dmitry.baryshkov@...aro.org
Subject: Re: [PATCH v6 2/4] mailbox: qcom-apcs-ipc: add IPQ8074 APSS clock
 controller support

On Thu 07 Jul 12:37 CDT 2022, Robert Marko wrote:

> IPQ8074 has the APSS clock controller utilizing the same register space as
> the APCS, so provide access to the APSS utilizing a child device like
> IPQ6018 does as well, but just by utilizing the IPQ8074 specific APSS
> clock driver.
> 
> Signed-off-by: Robert Marko <robimarko@...il.com>

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

Regards,
Bjorn

> ---
> Changes in v6:
> * Adjust max_register value using match data instead of globally
> 
> Changes in v5:
> * Use lower case hex for max_register
> * Update the APSS clock name to match the new one without commas
> ---
>  drivers/mailbox/qcom-apcs-ipc-mailbox.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> index c05f3276d02c..5d6b41fa6256 100644
> --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> @@ -34,6 +34,12 @@ static const struct qcom_apcs_ipc_data ipq6018_apcs_data = {
>  	.offset = 8, .clk_name = "qcom,apss-ipq6018-clk"
>  };
>  
> +static const struct qcom_apcs_ipc_data ipq8074_apcs_data = {
> +	.offset = 8,
> +	.max_register = 0x5ffc,
> +	.clk_name = "qcom-apss-ipq8074-clk"
> +};
> +
>  static const struct qcom_apcs_ipc_data msm8916_apcs_data = {
>  	.offset = 8, .clk_name = "qcom-apcs-msm8916-clk"
>  };
> @@ -148,7 +154,7 @@ static int qcom_apcs_ipc_remove(struct platform_device *pdev)
>  /* .data is the offset of the ipc register within the global block */
>  static const struct of_device_id qcom_apcs_ipc_of_match[] = {
>  	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = &ipq6018_apcs_data },
> -	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = &msm8994_apcs_data },
> +	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = &ipq8074_apcs_data },
>  	{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = &msm8916_apcs_data },
>  	{ .compatible = "qcom,msm8939-apcs-kpss-global", .data = &msm8916_apcs_data },
>  	{ .compatible = "qcom,msm8953-apcs-kpss-global", .data = &msm8994_apcs_data },
> -- 
> 2.36.1
>