From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Daniel Scally <djrscally@gmail.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Dmitry Torokhov <dtor@chromium.org>,
Guenter Roeck <linux@roeck-us.net>
Cc: Tomasz Figa <tfiga@chromium.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Rajmohan Mani <rajmohan.mani@intel.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Wolfram Sang <wsa@kernel.org>, Lee Jones <lee.jones@linaro.org>,
kieran.bingham+renesas@ideasonboard.com,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Hans de Goede <hdegoede@redhat.com>,
Mark Gross <mgross@linux.intel.com>,
Maximilian Luz <luzmaximilian@gmail.com>,
Robert Moore <robert.moore@intel.com>,
Erik Kaneda <erik.kaneda@intel.com>,
me@fabwu.ch,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
linux-i2c <linux-i2c@vger.kernel.org>,
Platform Driver <platform-driver-x86@vger.kernel.org>,
devel@acpica.org
Subject: Re: [PATCH v3 0/6] Introduce intel_skl_int3472 module
Date: Mon, 22 Feb 2021 16:15:48 +0200 [thread overview]
Message-ID: <CAHp75Vfu678RQ1-p4rXOkp5UPDuxgW4ctm1w+uEFhumcfGXf1g@mail.gmail.com> (raw)
In-Reply-To: <20210222130735.1313443-1-djrscally@gmail.com>
On Mon, Feb 22, 2021 at 3:11 PM Daniel Scally <djrscally@gmail.com> wrote:
>
> v1 for this series was originally 14-18 of this series:
> https://lore.kernel.org/linux-media/20201130133129.1024662-1-djrscally@gmail.com/T/#m91934e12e3d033da2e768e952ea3b4a125ee3e67
>
> v2 was here:
> https://lore.kernel.org/platform-driver-x86/20210118003428.568892-1-djrscally@gmail.com/
>
> Series level changelog:
>
> - Dropped the patch moving acpi_lpss_dep() to utils since it's not used
> in acpi_dev_get_dependent_dev() anymore.
> - Replaced it with a patch extending acpi_walk_dep_device_list() to be
> able to apply a given callback against each device in acpi_dep_list
> - Dropped the patch creating acpi_i2c_dev_name() and simply open coded
> that functionality.
>
> This has been tested on a number of devices, but currently **not** on a device
> designed for ChromeOS, which we ideally need to do to ensure no regression
> caused by replacing the tps68470 MFD driver. Sakari / Tomasz, is there any way
> you could help with that? Unfortunately, I don't have a device to test it on
> myself.
+Cc: Dmitry and Guenter. Guys, do you know by a chance who can help
with the above request from Daniel?
> Original cover letter:
>
> At the moment in the kernel the ACPI _HID INT3472 is taken by the tps68470
> MFD driver, but that driver can only handle some of the cases of that _HID
> that we see. There are at least these three possibilities:
>
> 1. INT3472 devices that provide GPIOs through the usual framework and run
> power and clocks through an operation region; this is the situation that
> the current module handles and is seen on ChromeOS devices
> 2. INT3472 devices that provide GPIOs, plus clocks and regulators that are
> meant to be driven through the usual frameworks, usually seen on devices
> designed to run Windows
> 3. INT3472 devices that don't actually represent a physical tps68470, but
> are being used as a convenient way of grouping a bunch of system GPIO
> lines that are intended to enable power and clocks for sensors which
> are called out as dependent on them. Also seen on devices designed to
> run Windows.
>
> This series introduces a new module which registers:
>
> 1. An i2c driver that determines which scenario (#1 or #2) applies to the
> machine and registers platform devices to be bound to GPIO, OpRegion,
> clock and regulator drivers as appropriate.
> 2. A platform driver that binds to the dummy INT3472 devices described in
> #3
>
> The platform driver for the dummy device registers the GPIO lines that
> enable the clocks and regulators to the sensors via those frameworks so
> that sensor drivers can consume them in the usual fashion. The existing
> GPIO and OpRegion tps68470 drivers will work with the i2c driver that's
> registered. Clock and regulator drivers are available but have not so far been
> tested, so aren't part of this series.
>
> The existing mfd/tps68470.c driver being thus superseded, it is removed.
>
> Thanks
> Dan
>
> Daniel Scally (6):
> ACPI: scan: Extend acpi_walk_dep_device_list()
> ACPI: scan: Add function to fetch dependent of acpi device
> i2c: core: Add a format macro for I2C device names
> gpiolib: acpi: Export acpi_get_gpiod()
> platform/x86: Add intel_skl_int3472 driver
> mfd: tps68470: Remove tps68470 MFD driver
>
> MAINTAINERS | 5 +
> drivers/acpi/ec.c | 2 +-
> drivers/acpi/pmic/Kconfig | 2 +-
> drivers/acpi/pmic/intel_pmic_chtdc_ti.c | 2 +-
> drivers/acpi/scan.c | 92 ++-
> drivers/gpio/Kconfig | 2 +-
> drivers/gpio/gpiolib-acpi.c | 38 +-
> drivers/i2c/i2c-core-acpi.c | 2 +-
> drivers/i2c/i2c-core-base.c | 4 +-
> drivers/mfd/Kconfig | 18 -
> drivers/mfd/Makefile | 1 -
> drivers/mfd/tps68470.c | 97 ---
> drivers/platform/surface/surface3_power.c | 2 +-
> drivers/platform/x86/Kconfig | 2 +
> drivers/platform/x86/Makefile | 1 +
> drivers/platform/x86/intel-int3472/Kconfig | 31 +
> drivers/platform/x86/intel-int3472/Makefile | 4 +
> .../intel-int3472/intel_skl_int3472_common.c | 106 ++++
> .../intel-int3472/intel_skl_int3472_common.h | 110 ++++
> .../intel_skl_int3472_discrete.c | 592 ++++++++++++++++++
> .../intel_skl_int3472_tps68470.c | 113 ++++
> include/acpi/acpi_bus.h | 8 +
> include/linux/acpi.h | 4 +-
> include/linux/gpio/consumer.h | 7 +
> include/linux/i2c.h | 3 +
> 25 files changed, 1100 insertions(+), 148 deletions(-)
> delete mode 100644 drivers/mfd/tps68470.c
> create mode 100644 drivers/platform/x86/intel-int3472/Kconfig
> create mode 100644 drivers/platform/x86/intel-int3472/Makefile
> create mode 100644 drivers/platform/x86/intel-int3472/intel_skl_int3472_common.c
> create mode 100644 drivers/platform/x86/intel-int3472/intel_skl_int3472_common.h
> create mode 100644 drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c
> create mode 100644 drivers/platform/x86/intel-int3472/intel_skl_int3472_tps68470.c
>
> --
> 2.25.1
>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2021-02-22 14:19 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-22 13:07 [PATCH v3 0/6] Introduce intel_skl_int3472 module Daniel Scally
2021-02-22 13:07 ` [PATCH v3 1/6] ACPI: scan: Extend acpi_walk_dep_device_list() Daniel Scally
2021-02-22 13:34 ` Andy Shevchenko
2021-03-07 13:36 ` Daniel Scally
2021-03-07 20:39 ` Andy Shevchenko
2021-03-08 13:36 ` Rafael J. Wysocki
2021-03-08 13:57 ` Andy Shevchenko
2021-03-08 15:45 ` Rafael J. Wysocki
2021-03-08 17:23 ` Rafael J. Wysocki
2021-03-08 20:49 ` Daniel Scally
2021-02-22 13:38 ` Wolfram Sang
2021-03-08 17:46 ` Rafael J. Wysocki
2021-03-08 20:40 ` Daniel Scally
2021-02-22 13:07 ` [PATCH v3 2/6] ACPI: scan: Add function to fetch dependent of acpi device Daniel Scally
2021-02-22 13:41 ` Andy Shevchenko
2021-02-22 13:07 ` [PATCH v3 3/6] i2c: core: Add a format macro for I2C device names Daniel Scally
2021-02-22 13:38 ` Wolfram Sang
2021-02-22 13:07 ` [PATCH v3 4/6] gpiolib: acpi: Export acpi_get_gpiod() Daniel Scally
2021-02-22 13:54 ` Andy Shevchenko
2021-02-22 13:07 ` [PATCH v3 5/6] platform/x86: Add intel_skl_int3472 driver Daniel Scally
2021-02-22 13:19 ` Daniel Scally
2021-02-22 13:27 ` Hans de Goede
2021-02-22 22:50 ` Daniel Scally
2021-02-22 14:58 ` Andy Shevchenko
2021-02-22 22:35 ` Daniel Scally
2021-02-23 12:01 ` Andy Shevchenko
2021-02-23 13:06 ` Daniel Scally
2021-05-17 21:43 ` Daniel Scally
2021-05-17 21:47 ` Andy Shevchenko
2021-02-23 20:04 ` Laurent Pinchart
2021-02-23 22:36 ` Daniel Scally
2021-02-24 10:13 ` Laurent Pinchart
2021-02-24 10:18 ` Andy Shevchenko
2021-02-24 10:20 ` Daniel Scally
2021-02-22 13:07 ` [PATCH v3 6/6] mfd: tps68470: Remove tps68470 MFD driver Daniel Scally
2021-02-22 14:12 ` Andy Shevchenko
2021-02-22 22:37 ` Daniel Scally
2021-03-10 9:33 ` Lee Jones
2021-02-22 13:11 ` [PATCH v3 0/6] Introduce intel_skl_int3472 module Daniel Scally
2021-02-22 14:15 ` Andy Shevchenko [this message]
2021-03-04 13:37 ` Hans de Goede
2021-03-04 13:49 ` Daniel Scally
2021-03-29 15:03 ` Andy Shevchenko
2021-03-29 20:37 ` Daniel Scally
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