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With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/amilo-rfkill.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/uv_sysfs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/ibm_rtl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/xo1-rfkill.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/firmware_attributes_class.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/wireless-hotkey.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240611-md-drivers-platform-x86-v1-1-d850e53619ee@quicinc.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/pmc/intel_pmc_core_pltdrv.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-hid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-vbtn.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-rst.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-smartconnect.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240611-md-drivers-platform-x86-intel-v1-1-5ed967425b04@quicinc.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/siemens/simatic-ipc.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/siemens/simatic-ipc-batt.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/siemens/simatic-ipc-batt-apollolake.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240611-md-drivers-platform-x86-siemens-v1-1-b399d7d6ae64@quicinc.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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On the LG Gram 16Z90S, the WMAB and WMBB ACPI methods are not mapped
under \XINI, but instead are mapped under \_SB.XINI.
The reason for this is that the LGEX0820 ACPI device used by this
driver is mapped at \_SB.XINI, so the ACPI methods where moved as well
to appear below the LGEX0820 ACPI device.
Fix this by using the ACPI handle from the ACPI device when evaluating
both methods.
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218901
Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-5-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The LGEX0815 ACPI device id is used for handling hotkey events, but
this functionality is already handled by the wireless-hotkey driver.
The LGEX0820 ACPI device id however is used to manage various
platform features using the WMAB/WMBB ACPI methods. Use this ACPI
device id to avoid blocking the wireless-hotkey driver from probing.
Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-4-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The rfkill hotkey handling is already provided by the wireless-hotkey
driver. Remove the now unnecessary rfkill hotkey handling to avoid
duplicating functionality.
The ACPI notify handler still prints debugging information when
receiving ACPI notifications to aid in reverse-engineering.
Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-3-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The LGEX0815 ACPI device is used by the "LG Airplane Mode Button"
Windows driver for handling rfkill requests. When the ACPI device
receives an 0x80 ACPI notification, an rfkill event is to be
send to userspace.
Add support for the LGEX0815 ACPI device to the driver.
Tested-by: Agathe Boutmy <agathe@boutmy.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240606233540.9774-2-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add check for the return value of platform_device_add_resources() and
return the error if it fails in order to catch the error.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20240605032745.2916183-1-nichen@iscas.ac.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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cpu_hwmon is unsupported on CPUs without loongson_chiptemp
register and csr.
Cc: stable@vger.kernel.org
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Sync to v6.10-rc3.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Use the generic sysfs helpers for reading the current frequency also,
and remove the custom ones.
No functional change intended.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240617060708.892981-8-tero.kristo@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The macros to create sysfs entries are going to be used for other
attributes in addition to current min/max frequencies only, so rename
these to be more generic.
No functional change intended.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240617060708.892981-7-tero.kristo@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Get rid of uncore_read_freq driver API. Instead, add a new entry to the
enumerated read interface and use this.
No functional change intended.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240617060708.892981-6-tero.kristo@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Use the enumerated index for selecting the uncore driver parameter to
read, instead of reading everything. This is done in preparation to
expand the API to access more parameters later.
No functional change intended.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240617060708.892981-5-tero.kristo@linux.intel.com
[ij: Removed underscores from variable names]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Get rid of the hardcoded / magic min_max argument from internal APIs.
Instead, use an enumerated index value for it.
No functional change intended.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240617060708.892981-4-tero.kristo@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Get rid of any magic bitmasks from the code. Define proper macros for
these, and use the bitfield operations to access them.
No functional change intended.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240617060708.892981-3-tero.kristo@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Rename the various bitmasks from the 'UNCORE_GENMASK_*' to
'UNCORE_*_MASK', and re-order them based on the register they reside in.
No functional change intended.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240617060708.892981-2-tero.kristo@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Lenovo Yoga C630 WOS is a laptop using Snapdragon 850 SoC. Like many
laptops it uses an embedded controller (EC) to perform various platform
operations, including, but not limited, to Type-C port control or power
supply handlng.
Add the driver for the EC, that creates devices for UCSI and power
supply devices.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240614-yoga-ec-driver-v7-2-9f0b9b40ae76@linaro.org
[ij: added #include <linux/cleanup.h>]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The ChromeOS EC used in Framework laptops supports the standard CrOS EC
keyboard backlight protocol.
However the firmware on these laptops doesn't implement the ACPI ID
GOOG0002 that is recognized by cros_kbd_led_backlight and they also
don't use device tree.
Prepare the existing cros_kbd_led_backlight driver to be probed through
the CrOS EC MFD device which works without ACPI or OF support.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20240526-cros_ec-kbd-led-framework-v3-3-ee577415a521@weissschuh.net
Signed-off-by: Lee Jones <lee@kernel.org>
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cros_ec_lpc_mec_read_bytes and cros_ec_lpc_mec_write_bytes call
cros_ec_lpc_mec_in_range, which checks if addresses are in the MEC
address range, and returns -EINVAL if the range given is not sensible.
However cros_ec_lpc_mec_in_range was also returning -EINVAL for a zero
length range.
A zero length range should not be an error condition.
cros_ec_lpc_mec_in_range now returns 1 in this case.
cros_ec_lpc_io_bytes_mec checks for zero length, and returns
immediately without beginning a transfer.
Fixes: 68dbac0a58ef ("platform/chrome: cros_ec_lpc: MEC access can return error code")
Fixes: 77a714325d09 ("platform/chrome: cros_ec_lpc: Fix error code in cros_ec_lpc_mec_read_bytes()")
Signed-off-by: Ben Walsh <ben@jubnut.com>
Link: https://lore.kernel.org/r/20240613212542.403-1-ben@jubnut.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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We changed these functions to returning negative error codes, but this
first error path was accidentally overlooked. It leads to a Smatch
warning:
drivers/platform/chrome/cros_ec_lpc.c:181 ec_response_timed_out()
error: uninitialized symbol 'data'.
Fix this by returning the error code instead of success.
Fixes: 68dbac0a58ef ("platform/chrome: cros_ec_lpc: MEC access can return error code")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/e0b43fb5-ecc8-4fb4-9b76-c06dea8cc4c4@moroto.mountain
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Jithu Joseph <jithu.joseph@intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240611171455.352536-1-tony.luck@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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ec_read_version_supported() uses ec_params_get_cmd_versions_v1 but it
wrongly uses message version 0.
Fix it.
Fixes: e86264595225 ("mfd: cros_ec: add debugfs, console log file")
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20240611113110.16955-1-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Since commit 106d67398233 ("platform/chrome: cros_ec_proto: Upgrade
get_next_event to v3"), (struct cros_ec_device *)->event_data becomes
struct ec_response_get_next_event_v3.
Update the Kunit test for fixing the following error:
> Expected mock->msg.insize == sizeof(union ec_response_get_next_data_v1), but
> mock->msg.insize == 18 (0x12)
> sizeof(union ec_response_get_next_data_v1) == 16 (0x10)
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20240611033113.4154548-1-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/chrome/cros_kunit_proto_test.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240610-md-drivers-platform-chrome-v1-1-f9c75adcc1ca@quicinc.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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If platform_profile_register() fails it does kfree(thermal_handler) and
leaves the pointer value around.
Any call to thermal_cleanup() will try to kfree(thermal_handler) again.
This will happen right away in dell_init().
In addition, platform_profile_remove() will be called although no
profile is registered.
NULL out the thermal_handler, so thermal_cleanup() avoids the double free.
Fixes: 996ad4129810 ("platform/x86: dell-pc: Implement platform_profile")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Lyndon Sanche <lsanche@lyndeno.ca>
Link: https://lore.kernel.org/r/20240604-dell-pc-double-free-v1-1-6d81255b2a44@weissschuh.net
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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For Framework Laptops with Microchip EC (MEC), use the ACPI id
"PNP0C09" to find the ACPI device, and AML mutex "ECMT" to protect EC
memory access.
Tested-by: Dustin L. Howett <dustin@howett.net>
Signed-off-by: Ben Walsh <ben@jubnut.com>
Link: https://lore.kernel.org/r/20240605063351.14836-6-ben@jubnut.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Add a new quirk "CROS_EC_LPC_QUIRK_AML_MUTEX" which provides the name
of an AML mutex to protect MEC memory access.
Tested-by: Dustin L. Howett <dustin@howett.net>
Signed-off-by: Ben Walsh <ben@jubnut.com>
Link: https://lore.kernel.org/r/20240605063351.14836-5-ben@jubnut.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Framework Laptops' ACPI exposes the EC with id "PNP0C09". But
"PNP0C09" is part of the ACPI standard; there are lots of computers
with EC chips with this id, and most of them don't support the cros_ec
protocol.
The driver could find the ACPI device by having "PNP0C09" in the
acpi_match_table, but this would match devices which don't support the
cros_ec protocol. Instead, add a new quirk "CROS_EC_LPC_QUIRK_ACPI_ID"
which allows the id to be specified. This quirk is applied after the
DMI check shows that the device is supported.
Tested-by: Dustin L. Howett <dustin@howett.net>
Signed-off-by: Ben Walsh <ben@jubnut.com>
Link: https://lore.kernel.org/r/20240605063351.14836-4-ben@jubnut.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Framework Laptops have ACPI code which accesses the MEC memory. It
uses an AML mutex to prevent concurrent access. But the cros_ec_lpc
driver was not aware of this mutex. The ACPI code and LPC driver both
attempted to talk to the EC at the same time, messing up communication
with the EC.
Allow the LPC driver MEC code to find and use the AML mutex.
Tested-by: Dustin L. Howett <dustin@howett.net>
Signed-off-by: Ben Walsh <ben@jubnut.com>
Link: https://lore.kernel.org/r/20240605063351.14836-3-ben@jubnut.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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cros_ec_lpc_io_bytes_mec was returning a u8 checksum of all bytes
read/written, which didn't leave room to indicate errors. Change this
u8 to an int where negative values indicate an error, and non-negative
values are the checksum as before.
Tested-by: Dustin L. Howett <dustin@howett.net>
Signed-off-by: Ben Walsh <ben@jubnut.com>
Link: https://lore.kernel.org/r/20240605063351.14836-2-ben@jubnut.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Upgrade EC_CMD_GET_NEXT_EVENT to version 3.
The max supported version will be v3. So, we speak v3 even if the EC
says it supports v4+.
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Link: https://lore.kernel.org/r/20240604230837.2878737-1-dnojiri@chromium.org
[tzungbi: uint32_t -> u32 per suggested by checkpatch.pl]
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240602090244.1666360-7-andy.shevchenko@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240602090244.1666360-6-andy.shevchenko@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240602090244.1666360-5-andy.shevchenko@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240602090244.1666360-4-andy.shevchenko@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240602090244.1666360-3-andy.shevchenko@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240602090244.1666360-2-andy.shevchenko@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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HSMP interface is supported only on few x86 processors from AMD.
Accessing HSMP registers on rest of the platforms might cause
unexpected behaviour. So add a check.
Also unavailability of this interface on rest of the processors
is not an error. Hence, use pr_info() instead of the pr_err() to
log the message.
Signed-off-by: Suma Hegde <suma.hegde@amd.com>
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Link: https://lore.kernel.org/r/20240603081512.142909-1-suma.hegde@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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When the allocation of value_name fails, the error handling code
uses two gotos for error handling, which is not necessary.
Simplify the error handling in this case by only using a single goto.
Tested on a Dell Inspiron 3505.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240528204903.445546-2-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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When reading token data from sysfs on my Inspiron 3505, the token
locations and values are wrong. This happens because match_attribute()
blindly assumes that all entries in da_tokens have an associated
entry in token_attrs.
This however is not true as soon as da_tokens[] contains zeroed
token entries. Those entries are being skipped when initialising
token_attrs, breaking the core assumption of match_attribute().
Fix this by defining an extra struct for each pair of token attributes
and use container_of() to retrieve token information.
Tested on a Dell Inspiron 3050.
Fixes: 33b9ca1e53b4 ("platform/x86: dell-smbios: Add a sysfs interface for SMBIOS tokens")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240528204903.445546-1-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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This driver uses the extcon subsystem and fails to build
when it cannot call into that subsystem:
x86_64-linux-ld: vmlinux.o: in function `yt2_1380_fc_worker':
lenovo-yoga-tab2-pro-1380-fastcharger.c:(.text+0xa9d819): undefined reference to `extcon_get_state'
x86_64-linux-ld: lenovo-yoga-tab2-pro-1380-fastcharger.c:(.text+0xa9d853): undefined reference to `extcon_get_state'
x86_64-linux-ld: vmlinux.o: in function `yt2_1380_fc_serdev_probe':
lenovo-yoga-tab2-pro-1380-fastcharger.c:(.text+0xa9da22): undefined reference to `extcon_get_extcon_dev'
x86_64-linux-ld: lenovo-yoga-tab2-pro-1380-fastcharger.c:(.text+0xa9dc0c): undefined reference to `devm_extcon_register_notifier_all'
Add a Kconfig dependency to make it it always builds correctly.
Fixes: b2ed33e8d486 ("platform/x86: Add lenovo-yoga-tab2-pro-1380-fastcharger driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240528115940.3169455-1-arnd@kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Use 2-argument strscpy(), which is not only shorter but also provides
an additional check that destination buffer is an array.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240602090244.1666360-8-andy.shevchenko@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The silead touchscreen driver now defaults to 10 fingers, so it is no
longer necessary to have a "silead,max-fingers=10" property for each
silead touchscreen model. Drop this property from all the configs.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240525193854.39130-3-hdegoede@redhat.com
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New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240531203706.233365-10-tony.luck@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240531203706.233365-9-tony.luck@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240531203706.233365-8-tony.luck@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240531203706.233365-7-tony.luck@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240531203706.233365-6-tony.luck@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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