linux-kernel - Re: [PATCH v5 0/7] I2C IRQ Probe Improvements

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Message-ID: <20190620150039.GF9224@smile.fi.intel.com>
Date:   Thu, 20 Jun 2019 18:00:39 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>
Cc:     wsa@...-dreams.de, mika.westerberg@...ux.intel.com,
        jarkko.nikula@...ux.intel.com, linux-i2c@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        benjamin.tissoires@...hat.com, jbroadus@...il.com,
        patches@...nsource.cirrus.com
Subject: Re: [PATCH v5 0/7] I2C IRQ Probe Improvements

On Thu, Jun 20, 2019 at 02:34:13PM +0100, Charles Keepax wrote:
> This series attempts to align as much IRQ handling into the
> probe path as possible. Note that I don't have a great setup
> for testing these patches so they are mostly just build tested
> and need careful review and testing before any of them are
> merged.
> 
> The series brings the ACPI path inline with the way the device
> tree path handles the IRQ entirely at probe time. However,
> it still leaves any IRQ specified through the board_info as
> being handled at device time. In that case we need to cache
> something from the board_info until probe time, which leaves
> any alternative solution with something basically the same as
> the current handling although perhaps caching more stuff.

Thank you for an update.
I asked few last minute questions on per patch basis.

> 
> Thanks,
> Charles
> 
> See previous discussions:
>  - https://lkml.org/lkml/2019/2/15/989
>  - https://www.spinics.net/lists/linux-i2c/msg39541.html
> 
> Charles Keepax (7):
>   i2c: core: Allow whole core to use i2c_dev_irq_from_resources
>   i2c: acpi: Use available IRQ helper functions
>   i2c: acpi: Factor out getting the IRQ from ACPI
>   i2c: core: Make i2c_acpi_get_irq available to the rest of the I2C core
>   i2c: core: Move ACPI IRQ handling to probe time
>   i2c: core: Move ACPI gpio IRQ handling into i2c_acpi_get_irq
>   i2c: core: Tidy up handling of init_irq
> 
>  drivers/i2c/i2c-core-acpi.c | 57 +++++++++++++++++++++++++++++++--------------
>  drivers/i2c/i2c-core-base.c | 11 +++++----
>  drivers/i2c/i2c-core.h      | 11 +++++++++
>  3 files changed, 57 insertions(+), 22 deletions(-)
> 
> -- 
> 2.11.0
> 

-- 
With Best Regards,
Andy Shevchenko