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commit 5e0c94d3aeeecc68c573033f08d9678fecf253bd upstream.
The driver gets driver_data from memory that is marked as const (which
is probably put to read-only memory) and it then modifies it. This
likely causes some sort of fault to happen.
Fix this by taking a copy of the structure.
Fixes: c94a8ff14de3 ("platform/x86: intel_mid_powerbtn: make mid_pb_ddata const")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
- Move the Dell dcdbas and dell_rbu drivers into platform/drivers/x86
as they are closely coupled with other drivers in this location.
- Improve _init* usage for acerhdf and fix some usage issues with
messages and module parameters.
- Simplify asus-wmi by calling ACPI/WMI methods directly, eliminating
workqueue overhead, eliminate double reporting of keyboard backlight.
- Fix wake from USB failure on Bay Trail devices (intel_int0002_vgpio).
- Notify intel_telemetry users when IPC1 device is not enabled.
- Update various drivers with new laptop model IDs.
- Update several intel drivers to use SPDX identifers and order headers
alphabetically.
* tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
HID: asus: only support backlight when it's not driven by WMI
platform/x86: asus-wmi: export function for evaluating WMI methods
platform/x86: asus-wmi: Only notify kbd LED hw_change by fn-key pressed
platform/x86: wmi: declare device_type structure as constant
platform/x86: ideapad: Add Y530-15ICH to no_hw_rfkill
platform/x86: Add Intel AtomISP2 dummy / power-management driver
platform/x86: touchscreen_dmi: Add min-x and min-y settings for various models
platform/x86: touchscreen_dmi: Add info for the Onda V80 Plus v3 tablet
platform/x86: touchscreen_dmi: Add info for the Trekstor Primetab T13B tablet
platform/x86: intel_telemetry: Get rid of custom macro
platform/x86: intel_telemetry: report debugfs failure
MAINTAINERS: intel_telemetry: Update maintainers info
platform/x86: Add LG Gram laptop special features driver
platform/x86: asus-wmi: Simplify the keyboard brightness updating process
platform/x86: touchscreen_dmi: Add info for the Trekstor Primebook C11 convertible
platform/x86: mlx-platform: Properly use mlxplat_mlxcpld_msn201x_items
MAINTAINERS: intel_pmc_core: Update MAINTAINERS
firmware: dcdbas: include linux/io.h
platform/x86: intel-wmi-thunderbolt: Add dynamic debugging
platform/x86: intel-wmi-thunderbolt: Convert to use SPDX identifier
...
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Going primarily by:
https://en.wikipedia.org/wiki/List_of_Intel_Atom_microprocessors
with additional information gleaned from other related pages; notably:
- Bonnell shrink was called Saltwell
- Moorefield is the Merriefield refresh which makes it Airmont
The general naming scheme is: FAM6_ATOM_UARCH_SOCTYPE
for i in `git grep -l FAM6_ATOM` ; do
sed -i -e 's/ATOM_PINEVIEW/ATOM_BONNELL/g' \
-e 's/ATOM_LINCROFT/ATOM_BONNELL_MID/' \
-e 's/ATOM_PENWELL/ATOM_SALTWELL_MID/g' \
-e 's/ATOM_CLOVERVIEW/ATOM_SALTWELL_TABLET/g' \
-e 's/ATOM_CEDARVIEW/ATOM_SALTWELL/g' \
-e 's/ATOM_SILVERMONT1/ATOM_SILVERMONT/g' \
-e 's/ATOM_SILVERMONT2/ATOM_SILVERMONT_X/g' \
-e 's/ATOM_MERRIFIELD/ATOM_SILVERMONT_MID/g' \
-e 's/ATOM_MOOREFIELD/ATOM_AIRMONT_MID/g' \
-e 's/ATOM_DENVERTON/ATOM_GOLDMONT_X/g' \
-e 's/ATOM_GEMINI_LAKE/ATOM_GOLDMONT_PLUS/g' ${i}
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: dave.hansen@linux.intel.com
Cc: len.brown@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Reduce size of duplicated comments by switching to use SPDX identifier.
No functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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No need to include linux/init.h when linux/module.h is.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace custom grown macro with generic INTEL_CPU_FAM6() one.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Make these const as they are only used during a copy operation.
Done using Coccinelle.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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platform_get_irq() returns an error code, but the intel_mid_powerbtn
driver ignores it and always returns -EINVAL. This is not correct and,
prevents -EPROBE_DEFER from being propagated properly.
Print error message and propagate the return value of platform_get_irq
on failure.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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On older Intel MID platforms is using SCU IPC library beneath MSIC
calls.
To make access unified between old and new platforms use SCU IPC library
directly. It's safe since serialization is done in the library.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The IRQ on Intel Merrifield can be acknowledged in the similar way it's
done for previous MID platforms. Unify acknowledgment via SCU IPC.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The comments is about initial interrupt acknowledgment only. So, move it
back to where it belongs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The status register on Intel Merrifield can be read in the similar way
it's done for previous MID platforms. Unify access to PBSTATUS register
via SCU IPC.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The snail address is subject to change. This already happened once.
Remove the address completely from the file to avoid potential noise
when update.
While here, adjust copyright years and list authors.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Sort header inclusion block in alphabetical order.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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There is no need and bad practice for debugging to split string
literals. Join them back.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Enable this driver to handle events from Basin Cove PMIC, which is
installed on Intel Merrifield platform.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Some platforms require interrupt to be acknowledged by clearing
MSIC_PWRBTNM bit in interrupt level 1 mask register.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Move Intel Medfield specific code to another callback, which will be
used later.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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This is preparatory patch to extend the driver in order to support other
Intel MID platform.
Here the new driver data structure is introduced with split of
->pbstat() callback.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Replace all occurrences of mfld by mid to emphasize that driver is used
for Intel MID platforms.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Convert driver to use managed resources.
This eliminates error path boilerplate and makes code neat.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
starts refusing misconfigured interrupt handlers. This makes
intel_mid_powerbtn not working anymore.
Add a mandatory flag to a threaded IRQ request in the driver.
Fixes: 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The IRQF_NO_SUSPEND flag is used to identify the interrupts that should
be left enabled so as to allow them to work as expected during the
suspend-resume cycle, but doesn't guarantee that it will wake the system
from a suspended state, enable_irq_wake is recommended to be used for
the wakeup.
This patch removes the use of IRQF_NO_SUSPEND flags and uses newly
introduce PM wakeup APIs dev_pm_{set,clear}_wake_irq.
Cc: Darren Hart <dvhart@infradead.org>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Emitting an OOM message isn't necessary after input_allocate_device
as there's a generic OOM and a dump_stack already done.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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CONFIG_HOTPLUG is going away as an option. As a result, the __dev*
markings need to be removed.
This change removes the use of __devinit, __devexit_p, __devinitdata,
__devinitconst, and __devexit from these drivers.
Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Joey Lee <jlee@novell.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Peter Feuerer <peter@piie.net>
Cc: Corentin Chary <corentin.chary@gmail.com>
Cc: Cezary Jackiewicz <cezary.jackiewicz@gmail.com>
Cc: Robert Gerlach <khnz@gmx.de>
Cc: Ike Panhc <ike.pan@canonical.com>
Cc: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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So that the power button still wakes up the platform.
Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
Link: http://lkml.kernel.org/r/20120504210244.F2EA5A018B@akpm.mtv.corp.google.com
Tested-by: Kangkai Yin <kangkai.yin@intel.com>
Tested-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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In the 2.6.36 kernel we did not have the MSIC driver. Changed
all ipc_scu_reads/writes to use the MSIC driver and defines.
Added a fix from the 2.6.36 kernel where the SCU FW could send
a power button interrupt to the IA32 FW and the kernel was not
running yet. This resulted in the interrupt not getting cleared
and the power button was ignored. this fix just clears the
interrupt on start-up.
Signed-off-by: Michael Demeter <michael.demeter@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Revert style-only changes. Remove unused variable. Fix comment style.]
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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module_platform_driver()
This patch converts the drivers in drivers/platform/x86/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.
Cc: Hong Liu <hong.liu@intel.com>
Cc: Durgadoss R <durgadoss.r@intel.com>
Cc: Daniel Drake <dsd@laptop.org>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This patch:
1. Removes unnecessay #defines
2. Removes 'mfld_pb_priv' data structure which results in simpler error
handling and less memory allocations.
Signed-off-by: Ameya Palande <2ameya@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The power button is connected to MSIC on Medfield, we will get two
interrupts from IOAPIC when pressing or releasing the power button.
Signed-off-by: Hong Liu <hong.liu@intel.com>
[Minor fixes as noted by Dmitry]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Mika Westerberg
Linus Torvalds
Peter Zijlstra
Andy Shevchenko
Bhumika Goyal
Gustavo A. R. Silva
Sudeep Holla
Wolfram Sang
Joe Perches
Jingoo Han
Greg Kroah-Hartman
Yong Wang
Michael Demeter
Axel Lin
Ameya Palande
Hong Liu