From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Hans de Goede <hdegoede@redhat.com>
Cc: "Rafael J . Wysocki" <rafael@kernel.org>,
Mark Gross <markgross@kernel.org>,
Andy Shevchenko <andy@kernel.org>, Wolfram Sang <wsa@kernel.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Rob Herring <robh@kernel.org>, Jiri Slaby <jirislaby@kernel.org>,
Len Brown <lenb@kernel.org>,
linux-acpi@vger.kernel.org, platform-driver-x86@vger.kernel.org,
linux-i2c@vger.kernel.org, Stephan Gerhold <stephan@gerhold.net>,
linux-serial@vger.kernel.org
Subject: Re: [PATCH 03/12] serdev: Do not instantiate serdevs on boards with known bogus DSDT entries
Date: Thu, 30 Dec 2021 13:44:53 +0100 [thread overview]
Message-ID: <Yc2pxZXu6e+eAKzE@kroah.com> (raw)
In-Reply-To: <20211229231431.437982-4-hdegoede@redhat.com>
On Thu, Dec 30, 2021 at 12:14:22AM +0100, Hans de Goede wrote:
> x86 ACPI devices which ship with only Android as their factory image use
> older kernels which do not yet support ACPI serdev enumeration, as such
> the serdev information in their ACPI tables is not reliable.
>
> For example on the Asus ME176C tablet the serdev describing the Bluetooth
> HCI points to the serdev_controller connected to the GPS and the other way
> around.
>
> Use the new acpi_quirk_skip_serdev_enumeration() helper to identify
> known boards with this issue and then either abort adding the serdev
> controller (creating a tty cdev instead) or only create the controller
> leaving the instantation of the serdev itself up to platform code.
>
> In the case where only the serdev controller is created the necessary
> serdevs will instead be instantiated by the
> drivers/platform/x86/x86-android-tablets.c kernel module.
>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
> drivers/tty/serdev/core.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2021-12-30 12:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-29 23:14 [PATCH 00/12] ACPI / pdx86: Add support for x86 Android tablets with broken DSDTs Hans de Goede
2021-12-29 23:14 ` [PATCH 01/12] ACPI / x86: Add acpi_quirk_skip_[i2c_client|serdev]_enumeration() helpers Hans de Goede
2021-12-29 23:14 ` [PATCH 02/12] i2c: acpi: Do not instantiate I2C-clients on boards with known bogus DSDT entries Hans de Goede
2021-12-30 12:03 ` Mika Westerberg
2021-12-30 12:21 ` Wolfram Sang
2021-12-30 12:34 ` Hans de Goede
2021-12-29 23:14 ` [PATCH 03/12] serdev: Do not instantiate serdevs " Hans de Goede
2021-12-30 12:44 ` Greg Kroah-Hartman [this message]
2021-12-29 23:14 ` [PATCH 04/12] platform/x86: x86-android-tablets: Don't return -EPROBE_DEFER from a non probe() function Hans de Goede
2021-12-29 23:14 ` [PATCH 05/12] platform/x86: x86-android-tablets: Add support for PMIC interrupts Hans de Goede
2021-12-29 23:14 ` [PATCH 06/12] platform/x86: x86-android-tablets: Add support for instantiating platform-devs Hans de Goede
2021-12-29 23:14 ` [PATCH 07/12] platform/x86: x86-android-tablets: Add support for instantiating serdevs Hans de Goede
2021-12-29 23:14 ` [PATCH 08/12] platform/x86: x86-android-tablets: Add support for registering GPIO lookup tables Hans de Goede
2021-12-29 23:14 ` [PATCH 09/12] platform/x86: x86-android-tablets: Add support for preloading modules Hans de Goede
2021-12-29 23:14 ` [PATCH 10/12] platform/x86: x86-android-tablets: Add Asus TF103C data Hans de Goede
2021-12-29 23:14 ` [PATCH 11/12] platform/x86: x86-android-tablets: Add Asus MeMO Pad 7 ME176C data Hans de Goede
2021-12-29 23:14 ` [PATCH 12/12] platform/x86: x86-android-tablets: Add TM800A550L data Hans de Goede
2021-12-30 11:57 ` [PATCH 00/12] ACPI / pdx86: Add support for x86 Android tablets with broken DSDTs Wolfram Sang
2022-01-03 11:42 ` Hans de Goede
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