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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 and
only version 2 as published by the free software foundation this
program is distributed in the hope that it will be useful but
without any warranty without even the implied warranty of
merchantability or fitness for a particular purpose see the gnu
general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 294 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some GED interrupts could be pending by the time we are doing a reboot.
Even though GED driver uses devm_request_irq() to register the interrupt
handler, the handler is not being freed on time during a shutdown since
the driver is missing a shutdown callback.
If the ACPI handler is no longer available, this causes an interrupt
storm and delays shutdown.
1. Don't use devm family of functions for IRQ registration/free
2. Keep track of the events since free_irq() requires the dev_id
parameter passed into the request_irq() function.
3. Call free_irq() on both remove and shutdown explicitly.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The Makefile/Kconfig currently controlling compilation of this code is:
Makefile:acpi-$(CONFIG_ACPI_REDUCED_HARDWARE_ONLY) += evged.o
drivers/acpi/Kconfig:config ACPI_REDUCED_HARDWARE_ONLY
drivers/acpi/Kconfig: bool "Hardware-reduced ACPI support only" if EXPERT
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modularity so that when reading the
code there is no doubt it is builtin-only.
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
The file wasn't explicitly including the module.h file but it did
already have init.h so, unlike similar changes, this one has no
header changes at all.
We also delete the MODULE_LICENSE tag since all that information
is already contained at the top of the file in the comments.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Generic Event Device described in ACPI 6.1 allows platforms to handle
platform interrupts in ACPI ASL statements. It borrows constructs like
_EVT from GPIO events. All interrupts are listed in _CRS and the handler
is written in _EVT method. Here is an example.
Device (GED0)
{
Name (_HID, "ACPI0013")
Name (_UID, 0)
Name(_CRS, ResourceTemplate ()
{
Interrupt(ResourceConsumer, Edge, ActiveHigh, Shared, , , )
{123}
})
Method (_EVT, 1) {
if (Lequal(123, Arg0))
{
}
}
}
Wake capability has not been implemented yet.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Thomas Gleixner
Sinan Kaya
Paul Gortmaker