linux-kernel - Re: [PATCH] ACPI: scan: Create platform device for CS35L56

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Date:   Thu, 27 Jul 2023 11:52:18 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Richard Fitzgerald <rf@...nsource.cirrus.com>, rafael@...nel.org,
        lenb@...nel.org, markgross@...nel.org
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, patches@...nsource.cirrus.com,
        Simon Trimmer <simont@...nsource.cirrus.com>
Subject: Re: [PATCH] ACPI: scan: Create platform device for CS35L56

Hi,

On 7/27/23 11:48, Richard Fitzgerald wrote:
> On 26/7/23 15:13, Hans de Goede wrote:
>> Hi Richard,
>>
>> On 7/26/23 13:27, Richard Fitzgerald wrote:
>>> From: Simon Trimmer <simont@...nsource.cirrus.com>
>>>
>>> The ACPI device CSC3556 is a Cirrus Logic CS35L56 mono amplifier which
>>> is used in multiples, and can be connected either to I2C or SPI.
>>>
>>> There will be multiple instances under the same Device() node. Add it
>>> to ignore_serial_bus_ids and handle it in the serial-multi-instantiate
>>> driver.
>>>
>>> Signed-off-by: Simon Trimmer <simont@...nsource.cirrus.com>
>>> Signed-off-by: Richard Fitzgerald <rf@...nsource.cirrus.com>
>>
>> Thanks, patch looks good to me:
>>
>> Reviewed-by: Hans de Goede <hdegoede@...hat.com>
>>
>> I have 1 other serial-multi-instantiate.c patches in my fixes branch (see below) and since this just adds new hw-ids I think this can go upstream through my fixes branch too.
>>
>> Rafael, do you agree with me taking this upstream as a 6.5 fix? And if yes may I have your ack for that ?
>>
>> About that 1 patch, that adds a new IRQ type: IRQ_RESOURCE_AUTO and I wonder if this patch should not use that same new type right from the start:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/agit/pdx86/platform-drivers-x86.git/commit/?h=fixes&id=676b7c5ecab36274442887ceadd6dee8248a244f
>>
> 
> Link doesn't work, but I think you mean:
> https://lore.kernel.org/platform-driver-x86/b9f81a5b-0511-9950-5a20-9e6cbd92d085@redhat.com/T/#t

Right an "a" (probably from ctrl + a) snuk in there, correct link:

https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=fixes&id=676b7c5ecab36274442887ceadd6dee8248a244f

Which is indeed the same patch as you linked.

> I'll send a V2 of this CS35L56 patch to use the new IRQ_RESOURCE_AUTO.

Thanks.

Regards,

Hans