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[ Upstream commit 7f261203d7c2e0c06e668b25dfaaee091a79ab25 ] The Vexia EDU ATLA 10 tablet (9V version) which shipped with Android 4.2 as factory OS has the usual broken DSDT issues for x86 Android tablets. On top of that this tablet is special because all its LPSS island peripherals are enumerated as PCI devices rather then as ACPI devices as they typically are. For the x86-android-tablets kmod to be able to instantiate a serdev client for the Bluetooth HCI on this tablet, an ACPI_QUIRK_UART1_SKIP quirk is necessary. Modify acpi_dmi_skip_serdev_enumeration() to work with PCI enumerated UARTs without an UID, such as the UARTs on this tablet. Also make acpi_dmi_skip_serdev_enumeration() exit early if there are no quirks, since there is nothing to do then. And add the necessary quirks for the Vexia EDU ATLA 10 tablet. This should compile with CONFIG_PCI being unset without issues because dev_is_pci() is defined as "(false)" then. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://patch.msgid.link/20241109215936.83004-1-hdegoede@redhat.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.