linux-kernel - Re: [PATCH v1 00/15] i2c-multi-instantiate: Adapt for INT3515 and alike

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Date:   Wed, 21 Nov 2018 13:00:07 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Darren Hart <dvhart@...radead.org>,
        platform-driver-x86@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-i2c@...r.kernel.org,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 00/15] i2c-multi-instantiate: Adapt for INT3515 and
 alike

Hi,

On 21-11-18 12:27, Hans de Goede wrote:
> Hi,
> 
> On 20-11-18 16:59, Andy Shevchenko wrote:
>> Currently i2c-multi-instantiate driver does not support the case
>> of INT3515 USB PD device, where:
>>
>> - Interrupt() is used instead of GpioInt()
>> - All slaves may be the same from IP point of view
>> - There can be variadic amount of slaves
>>
>> This series is addressing all above.
>>
>> Notes:
>> - series has been smoke tested (Heikki would do BAT or more) on Coffee Lake system
>> - patch for BOSC0200 might be considered as RFC since the modalias potential issue
> 
> Yeah the BOSC0200 patch cannot go upstream as is, that will break the
> orientation quirks in hwdb on:
> 
> [hans@...lem systemd]$ grep BOSC0200 hwdb/60-sensor.hwdb | wc -l
> 17
> [hans@...lem systemd]$
> 
> At least 17 different models laptops / 2-in-1s
> 
>> The idea is to push this either through PDx86 tree (needs Rafael's ACKs) or ACPI.
>> In any case it needs tags from Heikki, Hans, Mika, Wolfram and Jonathan.
> 
> Patches 1-5, 7-13 and 15 are: >
> Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Correction, I also have some small remarks to patch 9:

[PATCH v1 09/15] platform/x86: i2c-multi-instantiate: Count I2cSerialBus() resources

Which will need to be addressed before you can add my Reviewed-by.

Regards,

Hans




> I will send separate replies to:
> 
> [PATCH v1 06/15] i2c: acpi: Assign fwnode for devices created via i2c_acpi_new_device()
> [PATCH v1 14/15] ACPI / scan: Create platform device for BOSC0200 ACPI nodes
> 
> Which are both a NACK from me (in their current state) because they both will
> cause regressions.
> 
> Regards,
> 
> Hans
> 
> 
> 
> 
> 
> 
>>
>> Testing and comments are warmly welcome.
>>
>> Andy Shevchenko (15):
>>    platform/x86: intel_cht_int33fe: Remove duplicate NULL check
>>    platform/x86: intel_cht_int33fe: Accept errors of
>>      i2c_acpi_new_device()
>>    platform/x86: i2c-multi-instantiate: Accept errors of
>>      i2c_acpi_new_device()
>>    platform/x86: i2c-mutli-instantiate: Defer probe when no adapter found
>>    i2c: acpi: Return error pointers from i2c_acpi_new_device()
>>    i2c: acpi: Assign fwnode for devices created via i2c_acpi_new_device()
>>    i2c: acpi: Use ACPI_FAILURE instead of !ACPI_SUCCESS
>>    i2c: acpi: Introduce i2c_acpi_get_i2c_resource() helper
>>    platform/x86: i2c-multi-instantiate: Count I2cSerialBus() resources
>>    platform/x86: i2c-multi-instantiate: Distinguish IRQ resource type
>>    platform/x86: i2c-multi-instantiate: Introduce IOAPIC IRQ support
>>    platform/x86: i2c-multi-instantiate: Allow to have same slaves
>>    ACPI / scan: Create platform device for INT3515 ACPI nodes
>>    ACPI / scan: Create platform device for BOSC0200 ACPI nodes
>>    iio: inv_mpu6050: Use i2c_acpi_get_i2c_resource() helper
>>
>>   drivers/acpi/scan.c                          |  2 +
>>   drivers/i2c/i2c-core-acpi.c                  | 43 +++++----
>>   drivers/iio/accel/bmc150-accel-i2c.c         |  1 -
>>   drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c   | 16 ++--
>>   drivers/platform/x86/i2c-multi-instantiate.c | 99 ++++++++++++++++----
>>   drivers/platform/x86/intel_cht_int33fe.c     | 34 +++++--
>>   drivers/usb/typec/tps6598x.c                 |  8 +-
>>   include/linux/acpi.h                         | 11 +++
>>   8 files changed, 158 insertions(+), 56 deletions(-)
>>