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

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Message-ID: <42399566-2d25-e888-7226-05a86767b644@opensource.cirrus.com>
Date:   Thu, 27 Jul 2023 10:48:05 +0100
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     Hans de Goede <hdegoede@...hat.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

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

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