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

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Date:   Thu, 29 Aug 2019 10:28:21 +0200
From:   Jorge Ramirez <jorge.ramirez-ortiz@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>, agross@...nel.org,
        jassisinghbrar@...il.com
Cc:     niklas.cassel@...aro.org, bjorn.andersson@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mbox: qcom: add APCS child device for QCS404

On 8/29/19 00:31, Stephen Boyd wrote:
> Quoting Jorge Ramirez-Ortiz (2019-08-26 09:46:24)
>> 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>
>> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
>> ---
>>  drivers/mailbox/qcom-apcs-ipc-mailbox.c | 8 +++++---
>>  1 file changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
>> index 705e17a5479c..76e1ad433b3f 100644
>> --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
>> +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
>> @@ -89,7 +89,11 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>>                 return ret;
>>         }
>>  
>> -       if (of_device_is_compatible(np, "qcom,msm8916-apcs-kpss-global")) {
>> +       platform_set_drvdata(pdev, apcs);
> 
> Why did this move? It's required in the child driver or something now?
> Is it a Fixes sort of change?
> 
>> +
>> +       if (of_device_is_compatible(np, "qcom,msm8916-apcs-kpss-global") ||
>> +           of_device_is_compatible(np, "qcom,qcs404-apcs-apps-global")) {
> 
> Maybe this should be a compatible list instead of two calls to
> of_device_is_compatible().
> 
>> +
>>                 apcs->clk = platform_device_register_data(&pdev->dev,
>>                                                           "qcom-apcs-msm8916-clk",
>>                                                           -1, NULL, 0);
>> @@ -97,8 +101,6 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>>                         dev_err(&pdev->dev, "failed to register APCS clk\n");
>>         }
>>  
>> -       platform_set_drvdata(pdev, apcs);
>> -
>>         return 0;
>>  }
>>  
> 

thanks stephen. posted v2