linux-kernel - Re: [RFC PATCH] ACPI: bus: match of_device

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Date:   Wed, 4 Jul 2018 15:11:23 +0530
From:   Srinath Mannam <srinath.mannam@...adcom.com>
To:     Sudeep Holla <sudeep.holla@....com>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Nikolaus Voss <nikolaus.voss@...wensteinmedical.de>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>, Ray Jui <ray.jui@...adcom.com>,
        Vladimir Olovyannikov <vladimir.olovyannikov@...adcom.com>,
        Vikram Prakash <vikram.prakash@...adcom.com>,
        Scott Branden <scott.branden@...adcom.com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] ACPI: bus: match of_device_id using acpi device

Hi Sudeep, Andy,

Thank you for all the valuable information and knowledge.

Regards,
Srinath.

On Wed, Jul 4, 2018 at 3:08 PM, Sudeep Holla <sudeep.holla@....com> wrote:
>
>
> On 04/07/18 10:32, Andy Shevchenko wrote:
>> On Wed, Jul 4, 2018 at 6:37 AM, Srinath Mannam
>> <srinath.mannam@...adcom.com> wrote:
>>> Hi Sudeep, Andy,
>>>
>>> Yes, This patch is to get of_device_id and then fetch data pointer.
>>>
>>> To add ACPI support in multiple drivers which are device-tree based
>>> and has list of of_device_ids, by using this function
>>> very minimal changes and can avoid acpi_device_id list in the driver.
>>> I will send driver changes where this function used to add ACPI
>>> support in following patches.
>>>
>>> Below are the changes added to add ACPI support in sdhci iproc driver
>>> using this function.
>>
>> So, did you get an ACPI ID for it?
>> That's how proper ACPI support should be done.
>>
>> P.S. What you are trying to do is being discussed with Nikolaus in [1].
>> I have to NAK your approach in any case. Sorry.
>>
>
> +1 on NACK for this and anything else that abuse PRP0001 as a short cut
> approach.
>
> --
> Regards,
> Sudeep