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Tested and works on my system.
Signed-off-by: August Wikerfors <git@augustwikerfors.se>
Link: https://lore.kernel.org/r/20220608212028.28307-1-git@augustwikerfors.se
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add dmi_system_id of Gigabyte Z690M AORUS ELITE AX DDR4 board.
Tested on my PC.
Signed-off-by: Piotr Chmura <chmooreck@gmail.com>
Link: https://lore.kernel.org/r/bd83567e-ebf5-0b31-074b-5f6dc7f7c147@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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As platform_driver_register() could fail, it should be better
to deal with the return value in order to maintain the code
consisitency.
Fixes: 86af1d02d458 ("platform/x86: Support for EC-connected GPIOs for identify LED/button on Barco P50 board")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>
Link: https://lore.kernel.org/r/20220526090345.1444172-1-jiasheng@iscas.ac.cn
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add Raptorlake P to the list of the platforms that intel_pmc_core driver
supports for pmc_core device. Raptorlake P PCH is based on Alderlake P
PCH.
Signed-off-by: George D Sworo <george.d.sworo@intel.com>
Reviewed-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20220602012617.20100-1-george.d.sworo@intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The probe function pmt_crashlog_probe() may incorrectly reference
the 'priv->entry array' as it uses 'i' to reference the array instead
of 'priv->num_entries' as it should. This is similar to the problem
that was addressed in pmt_telemetry_probe via commit 2cdfa0c20d58
("platform/x86/intel: Fix 'rmmod pmt_telemetry' panic").
Cc: "David E. Box" <david.e.box@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Mark Gross <markgross@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David Arcari <darcari@redhat.com>
Reviewed-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20220526203140.339120-1-darcari@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Fix problem of missing static in struct declaration.
Fixes: 662f24826f954 ("platform/mellanox: Add support for new SN2201 system")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Michael Shych <michaelsh@nvidia.com>
Link: https://lore.kernel.org/r/20220602145103.11859-1-michaelsh@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Fix a misspelling of the word "platform".
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Michael Shych <michaelsh@nvidia.com>
Link: https://lore.kernel.org/r/9c8edde31e271311b7832d7677fe84aba917da8d.1653376503.git.geert@linux-m68k.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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cros_ec_get_host_event_wake_mask() expects to receive
sizeof(struct ec_response_host_event_mask) from send_command(). The
payload is valid only if the return value is positive.
Return -EPROTO if send_command() returns 0 in
cros_ec_get_host_event_wake_mask().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-22-tzungbi@kernel.org
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cros_ec_get_host_event_wake_mask() expects to receive
sizeof(struct ec_response_host_event_mask) from send_command().
The payload is valid only if the return value is positive.
Add Kunit tests for returning 0 from send_command() in
cros_ec_get_host_event_wake_mask().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-21-tzungbi@kernel.org
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cros_ec_get_host_event_wake_mask() used to return value from
send_command() which is number of bytes for input payload on success
(i.e. sizeof(struct ec_response_host_event_mask)).
However, the callers don't need to know how many bytes are available.
Don't return number of available bytes. Instead, return 0 on success;
otherwise, negative integers on error.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-20-tzungbi@kernel.org
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cros_ec_get_host_command_version_mask() expects to receive
sizeof(struct ec_response_get_cmd_versions) from send_command(). The
payload is valid only if the return value is positive.
Return -EPROTO if send_command() returns 0 in
cros_ec_get_host_command_version_mask().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-19-tzungbi@kernel.org
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cros_ec_get_host_command_version_mask() expects to receive
sizeof(struct ec_response_get_cmd_versions) from send_command().
The payload is valid only if the return value is positive.
Add Kunit tests for returning 0 from send_command() in
cros_ec_get_host_command_version_mask().
Note that because the 2 cros_ec_get_host_command_version_mask() use the
same `ver_mask`. cros_ec_proto_test_query_all_no_host_sleep_return0()
polluates the `ver_mask` and returns 0 on the second send_command() to
make sure the second cros_ec_get_host_command_version_mask() doesn't
take the garbage from the previous call.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-18-tzungbi@kernel.org
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cros_ec_get_host_command_version_mask() should check if EC wasn't happy
by checking `msg->result`.
Use cros_ec_map_error() and return the error code if any.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-17-tzungbi@kernel.org
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cros_ec_query_all() uses cros_ec_get_host_command_version_mask() to
query the supported MKBP version; cros_ec_get_host_command_version_mask()
uses send_command() for transferring the host command.
Returning >=0 from send_command() only denotes the transfer was success.
cros_ec_get_host_command_version_mask() should check if EC wasn't happy
by checking `msg->result`.
Add a Kunit test for returning error in `msg->result` in
cros_ec_get_host_command_version_mask(). For the case,
cros_ec_query_all() should find the EC device doesn't support MKBP.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-16-tzungbi@kernel.org
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cros_ec_get_host_command_version_mask() used to return value from
send_command() which is number of available bytes for input payload on
success (i.e. sizeof(struct ec_response_get_cmd_versions)).
However, the callers don't need to know how many bytes are available.
Don't return number of available bytes. Instead, return 0 on success;
otherwise, negative integers on error.
Also remove the unneeded `ver_mask` initialization as the callers should
take it only if cros_ec_get_host_command_version_mask() returns 0.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-15-tzungbi@kernel.org
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It wrongly showed the following message when it doesn't support MKBP:
"MKBP support version 4294967295".
Fix it.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-14-tzungbi@kernel.org
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cros_ec_get_proto_info_legacy() expects to receive
sizeof(struct ec_response_hello) from send_command(). The payload is
valid only if the return value is positive.
Return -EPROTO if send_command() returns 0 in
cros_ec_get_proto_info_legacy().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-13-tzungbi@kernel.org
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cros_ec_get_proto_info_legacy() expects to receive
sizeof(struct ec_response_hello) from send_command(). The payload is
valid only if the return value is positive.
Add a Kunit test for returning 0 from send_command() in
cros_ec_get_proto_info_legacy().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-12-tzungbi@kernel.org
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Rename cros_ec_host_command_proto_query_v2() to
cros_ec_get_proto_info_legacy() and make it responsible for setting
`ec_dev` fields for EC protocol v2.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-11-tzungbi@kernel.org
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cros_ec_get_proto_info() expects to receive
sizeof(struct ec_response_get_protocol_info) from send_command(). The
payload is valid only if the return value is positive.
Return -EPROTO if send_command() returns 0 in cros_ec_get_proto_info().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-10-tzungbi@kernel.org
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cros_ec_get_proto_info() expects to receive
sizeof(struct ec_response_get_protocol_info) from send_command(). The
payload is valid only if the return value is positive.
Add Kunit tests for returning 0 from send_command() in
cros_ec_get_proto_info().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-9-tzungbi@kernel.org
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Rename cros_ec_host_command_proto_query() to cros_ec_get_proto_info()
and make it responsible for setting `ec_dev` fields according to the
response protocol info.
Also make cros_ec_get_host_event_wake_mask() allocate its own message
buffer. It was lucky that size of `struct ec_response_host_event_mask`
is less than `struct ec_response_get_protocol_info`. Thus, the buffer
wasn't overflow.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-8-tzungbi@kernel.org
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Use cros_ec_map_error() in cros_ec_get_host_event_wake_mask().
The behavior of cros_ec_get_host_event_wake_mask() slightly changed. It
is acceptable because the caller only needs it returns negative integers
for indicating errors. Especially, the EC_RES_INVALID_COMMAND still
maps to -EOPNOTSUPP.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-7-tzungbi@kernel.org
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send_command() already checks if `ec_dev->pkt_xfer` is NULL. Remove the
redundant check.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-6-tzungbi@kernel.org
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`din_size` is calculated from `ec_dev->max_response`.
`ec_dev->max_response` is further calculated from the protocol info.
To make it clear, assign `din_size` and `dout_size` from protocol info
directly.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-5-tzungbi@kernel.org
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Move passthru indexes for EC and PD devices to common header. Also use
them instead of literal constants.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-4-tzungbi@kernel.org
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cros_ec_query_all() sends multiple host commands to EC for querying
supported protocols and settings.
Add required mock for interacting with cros_ec_query_all() and Kunit
tests.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-3-tzungbi@kernel.org
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EC PWM backend uses EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT and
EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT for setting and getting the brightness
respectively.
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20220523090822.3035189-6-tzungbi@kernel.org
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For letting device tree based machines to use the driver, support OF match.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20220523090822.3035189-5-tzungbi@kernel.org
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cros_kbd_led_backlight uses ACPI_KEYBOARD_BACKLIGHT_WRITE and
ACPI_KEYBOARD_BACKLIGHT_READ for setting and getting the brightness
respectively.
Separate ACPI operations for preparing the driver to support other
backends.
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220523090822.3035189-3-tzungbi@kernel.org
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To be neat and reduce conflict possibility, sort the headers
alphabetically.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220523090822.3035189-2-tzungbi@kernel.org
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set cpu_hwmon as a module build with loongson_sysconf, loongson_chiptemp
undefined error,fix cpu_hwmon compile options to be bool.Some kernel
compilation error information is as follows:
Checking missing-syscalls for N32
CALL scripts/checksyscalls.sh
Checking missing-syscalls for O32
CALL scripts/checksyscalls.sh
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
CC [M] drivers/platform/mips/cpu_hwmon.o
Building modules, stage 2.
MODPOST 200 modules
ERROR: "loongson_sysconf" [drivers/platform/mips/cpu_hwmon.ko] undefined!
ERROR: "loongson_chiptemp" [drivers/platform/mips/cpu_hwmon.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:92：__modpost] 错误 1
make: *** [Makefile:1261：modules] 错误 2
Signed-off-by: Yupeng Li <liyupeng@zbhlos.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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cros_ec_cmd() takes 2 size arguments. Update them to be of the more
appropriate type size_t.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220606201825.763788-4-pmalani@chromium.org
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cros_ec_command() is the name of a function as well as a struct, as such
it can confuse indexing tools (like ctags). Avoid this by renaming it to
cros_ec_cmd(). Update all the callsites to use the new name.
This patch is a find-and-replace, so should not introduce any functional
changes.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220606201825.763788-3-pmalani@chromium.org
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cros_ec_check_result() is used to check if the EC communication success but
EC responded EC_RES_IN_PROGRESS. It should return 0 even if EC wasn't
happy about the host command.
Add Kunit tests for cros_ec_check_result().
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220518091814.2028579-5-tzungbi@kernel.org
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At first glance, cros_ec_check_result() is quite like cros_ec_map_error().
They check for `ec_msg->result` and return corresponding errors. However,
as calling from `pkt_xfer` and `cmd_xfer`, cros_ec_check_result() should
not report furthermore errors. -EAGAIN is the only exception.
See [1][2][3] for some known userland programs' code. The return code
from ioctl only denotes the EC communication status. Userland programs
would further analyze the `result` in struct cros_ec_command* for
follow-up actions (e.g. [4]).
To clarify, update the function comment.
[1]: https://crrev.com/54400e93a75ef440a83d6eaac2cec066daf99cf0/util/comm-dev.c#154
[2]: https://crrev.com/fe32670a89bf59e1aff84bba9dd3295657b85e9b/cros_ec_dev.c#296
[3]: https://crrev.com/4e19eb1d89de0422ff1bbd3f7260b131c761098c/drivers/google/cros_ec_dev.c#120
[4]: https://crrev.com/54400e93a75ef440a83d6eaac2cec066daf99cf0/util/comm-dev.c#164
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220518091814.2028579-4-tzungbi@kernel.org
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cros_ec_prepare_tx() mixed the code for both versions. To be neat and to
make it clear, factor the legacy part out as a separate function, rename
the function, and update the comments.
Specifically,
- prepare_tx(), for current protocol version (i.e. 3).
- prepare_tx_legacy(), for protocol version <= 2.
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220518091814.2028579-3-tzungbi@kernel.org
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cros_ec_prepare_tx() is used to fill the protocol headers according to
the requested protocol version.
Add Kunit tests cros_ec_prepare_tx() for each version.
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220518091814.2028579-2-tzungbi@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
"Cleanups and fixes"
* tag 'mips_5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (38 commits)
MIPS: RALINK: Define pci_remap_iospace under CONFIG_PCI_DRIVERS_GENERIC
MIPS: Use memblock_add_node() in early_parse_mem() under CONFIG_NUMA
MIPS: Return -EINVAL if mem parameter is empty in early_parse_mem()
MIPS: Kconfig: Fix indentation and add endif comment
MIPS: bmips: Fix compiler warning observed on W=1 build
MIPS: Rewrite `csum_tcpudp_nofold' in plain C
mips: setup: use strscpy to replace strlcpy
MIPS: Octeon: add SNIC10E board
MIPS: Ingenic: Refresh defconfig for CU1000-Neo and CU1830-Neo.
MIPS: Ingenic: Refresh device tree for Ingenic SoCs and boards.
MIPS: Ingenic: Add PWM nodes for X1830.
MIPS: Octeon: fix typo in comment
MIPS: loongson32: Kconfig: Remove extra space
MIPS: Sibyte: remove unnecessary return variable
MIPS: Use NOKPROBE_SYMBOL() instead of __kprobes annotation
selftests/ftrace: Save kprobe_events to test log
MIPS: tools: no need to initialise statics to 0
MIPS: Loongson: Use hwmon_device_register_with_groups() to register hwmon
MIPS: VR41xx: Drop redundant spinlock initialization
MIPS: smp: optimization for flush_tlb_mm when exiting
...
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git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Tzung-Bi Shih:
"cros_ec:
- Fix wrong error handling path
- Clean-up patches
cros_ec_chardev:
- Re-introduce cros_ec_cmd_xfer to fix ABI broken
cros_ec_lpcs:
- Support the Framework Laptop
cros_ec_typec:
- Fix NULL dereference
chromeos_acpi:
- Add ChromeOS ACPI device driver
- Fix Sphinx errors when `make htmldocs`
misc:
- Drop BUG_ON()s"
* tag 'tag-chrome-platform-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: Use imperative mood for ChromeOS ACPI sysfs ABI descriptions
platform/chrome: Use tables for values lists of ChromeOS ACPI sysfs ABI
platform/chrome: cros_ec_spi: drop BUG_ON() if `din` isn't large enough
platform/chrome: cros_ec_spi: drop unneeded BUG_ON()
platform/chrome: cros_ec_i2c: drop BUG_ON() in cros_ec_pkt_xfer_i2c()
platform/chrome: cros_ec_proto: drop BUG_ON() in cros_ec_get_host_event()
platform/chrome: cros_ec_proto: drop BUG_ON() in cros_ec_prepare_tx()
platform/chrome: correct cros_ec_prepare_tx() usage
platform/chrome: cros_ec_proto: drop unneeded BUG_ON() in prepare_packet()
platform/chrome: Add ChromeOS ACPI device driver
platform/chrome: cros_ec_typec: Check for EC driver
platform/chrome: cros_ec_lpcs: reserve the MEC LPC I/O ports first
platform/chrome: cros_ec_lpcs: detect the Framework Laptop
platform/chrome: Re-introduce cros_ec_cmd_xfer and use it for ioctls
platform/chrome: cros_ec: append newline to all logs
platform/chrome: cros_ec: sort header inclusion alphabetically
platform/chrome: cros_ec: determine `wake_enabled` in cros_ec_suspend()
platform/chrome: cros_ec: remove unused variable `was_wake_device`
platform/chrome: cros_ec: fix error handling in cros_ec_register()
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The driver is using functions from a compilation unit which is enabled
by CONFIG_CPU_SUP_INTEL. Add that dependency to Kconfig explicitly
otherwise:
drivers/platform/x86/intel/ifs/load.o: in function `ifs_load_firmware':
load.c:(.text+0x3b8): undefined reference to `intel_cpu_collect_info'
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/YoZay8YR0zRGyVu+@zn.tnic
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Module removal fails because cht_int33fe_typec_remove()
tries to access driver data that does not exist. Fixing by
assigning the data at the end of probe.
Fixes: 915623a80b5a ("platform/x86: intel_cht_int33fe: Switch to DMI modalias based loading")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20220519122103.78546-1-heikki.krogerus@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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intel_hid_dsm_fn_mask is a bit mask containing one bit for each function
index. Fix the function index check in intel_hid_evaluate_method
accordingly, which was missed in commit 97ab4516205e ("platform/x86:
intel-hid: fix _DSM function index handling").
Fixes: 97ab4516205e ("platform/x86: intel-hid: fix _DSM function index handling")
Cc: stable@vger.kernel.org
Signed-off-by: Michael Niewöhner <linux@mniewoehner.de>
Link: https://lore.kernel.org/r/66f813f5bcc724a0f6dd5adefe6a9728dbe509e3.camel@mniewoehner.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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It is overkill to crash the kernel if the `din` buffer is going to full
or overflow.
Drop the BUG_ON() and return -EINVAL instead.
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220513044143.1045728-8-tzungbi@kernel.org
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In the context, the following conditions are always false:
- `todo` < 0
Suppose that EC_SPI_FRAME_START is found at the last byte of transfer.
In the case, `ptr` == `end` - 1. As a result, `todo` must be 0.
- `todo` > `ec_dev->din_size`
Suppose that there is no preamble bytes. EC_SPI_FRAME_START is found at
the first byte of transfer.
In the case, `end` == `ptr` + EC_MSG_PREAMBLE_COUNT.
As a result, `todo` == EC_MSG_PREAMBLE_COUNT - 1.
However, it already checked `ec_dev->din_size` < EC_MSG_PREAMBLE_COUNT at
the beginning of function.
Drop the unneeded BUG_ON().
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220513044143.1045728-7-tzungbi@kernel.org
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It is overkill to crash the kernel if the given message is oversize.
Drop the BUG_ON() and return -EINVAL instead.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220513044143.1045728-6-tzungbi@kernel.org
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It is overkill to crash the kernel if the `ec_dev` doesn't support MKBP
event but gets called into cros_ec_get_host_event().
Drop the BUG_ON() and return error (0 in the case) instead.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220513044143.1045728-5-tzungbi@kernel.org
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It is overkill to crash the kernel if the given message is oversize.
Drop the BUG_ON() and return -EINVAL instead.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220513044143.1045728-4-tzungbi@kernel.org
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cros_ec_prepare_tx() returns either:
- >= 0 for number of prepared bytes.
- < 0 for -errno.
Correct the comment and make sure all callers check the return code.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220513044143.1045728-3-tzungbi@kernel.org
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prepare_packet() gets called if `ec_dev->proto_version` > 2. For now, it
must be equivalent to EC_HOST_REQUEST_VERSION.
Drop the BUG_ON().
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220513044143.1045728-2-tzungbi@kernel.org
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