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git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
- further changes from Dmitry related to the removal of platform data
from atmel_mxt_ts and chromeos_laptop.
This time, we have some changes that teach chromeos_laptop how to
supply acpi properties for some input devices so that the peripheral
driver doesn't have to do dmi matching on some Chromebook platforms.
- new Chromebook Tablet switch driver, which is useful for x86
convertible Chromebooks.
- other misc cleanup
* tag 'chrome-platform-for-linus-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
platform/chrome: Use to_cros_ec_dev more broadly
platform/chrome: chromeos_laptop: fix touchpad button mapping on Celes
platform: chrome: Add input dependency for tablet switch driver
platform/chrome: chromeos_laptop - supply properties for ACPI devices
platform/chrome: chromeos_tbmc - add SPDX identifier
platform: chrome: Add Tablet Switch ACPI driver
platform/chrome: cros_ec_lpc: do not try DMI match when ACPI device found
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull procfs updates from Al Viro:
"Christoph's proc_create_... cleanups series"
* 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (44 commits)
xfs, proc: hide unused xfs procfs helpers
isdn/gigaset: add back gigaset_procinfo assignment
proc: update SIZEOF_PDE_INLINE_NAME for the new pde fields
tty: replace ->proc_fops with ->proc_show
ide: replace ->proc_fops with ->proc_show
ide: remove ide_driver_proc_write
isdn: replace ->proc_fops with ->proc_show
atm: switch to proc_create_seq_private
atm: simplify procfs code
bluetooth: switch to proc_create_seq_data
netfilter/x_tables: switch to proc_create_seq_private
netfilter/xt_hashlimit: switch to proc_create_{seq,single}_data
neigh: switch to proc_create_seq_data
hostap: switch to proc_create_{seq,single}_data
bonding: switch to proc_create_seq_data
rtc/proc: switch to proc_create_single_data
drbd: switch to proc_create_single
resource: switch to proc_create_seq_data
staging/rtl8192u: simplify procfs code
jfs: simplify procfs code
...
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fix from Andy Shevchenko:
"Fix NULL pointer dereference in asus-wmi on rfkill cleanup.
The effective change is just one new condition - two lines of code.
But it required moving one static helper function, which is why the
diff looks a bit bigger"
* tag 'platform-drivers-x86-v4.17-4' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: asus-wmi: Fix NULL pointer dereference
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Do not perform the rfkill cleanup routine when
(asus->driver->wlan_ctrl_by_user && ashs_present()) is true, since
nothing is registered with the rfkill subsystem in that case. Doing so
leads to the following kernel NULL pointer dereference:
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
PGD 1a3aa8067
PUD 1a3b3d067
PMD 0
Oops: 0002 [#1] PREEMPT SMP
Modules linked in: bnep ccm binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core hid_a4tech videodev x86_pkg_temp_thermal intel_powerclamp coretemp ath3k btusb btrtl btintel bluetooth kvm_intel snd_hda_codec_hdmi kvm snd_hda_codec_realtek snd_hda_codec_generic irqbypass crc32c_intel arc4 i915 snd_hda_intel snd_hda_codec ath9k ath9k_common ath9k_hw ath i2c_algo_bit snd_hwdep mac80211 ghash_clmulni_intel snd_hda_core snd_pcm snd_timer cfg80211 ehci_pci xhci_pci drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm xhci_hcd ehci_hcd asus_nb_wmi(-) asus_wmi sparse_keymap r8169 rfkill mxm_wmi serio_raw snd mii mei_me lpc_ich i2c_i801 video soundcore mei i2c_smbus wmi i2c_core mfd_core
CPU: 3 PID: 3275 Comm: modprobe Not tainted 4.9.34-gentoo #34
Hardware name: ASUSTeK COMPUTER INC. K56CM/K56CM, BIOS K56CM.206 08/21/2012
task: ffff8801a639ba00 task.stack: ffffc900014cc000
RIP: 0010:[<ffffffff816c7348>] [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
RSP: 0018:ffffc900014cfce0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8801a54315b0 RCX: 00000000c0000100
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8801a54315b4
RBP: ffffc900014cfd30 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801a54315b4
R13: ffff8801a639ba00 R14: 00000000ffffffff R15: ffff8801a54315b8
FS: 00007faa254fb700(0000) GS:ffff8801aef80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001a3b1b000 CR4: 00000000001406e0
Stack:
ffff8801a54315b8 0000000000000000 ffffffff814733ae ffffc900014cfd28
ffffffff8146a28c ffff8801a54315b0 0000000000000000 ffff8801a54315b0
ffff8801a66f3820 0000000000000000 ffffc900014cfd48 ffffffff816c73e7
Call Trace:
[<ffffffff814733ae>] ? acpi_ut_release_mutex+0x5d/0x61
[<ffffffff8146a28c>] ? acpi_ns_get_node+0x49/0x52
[<ffffffff816c73e7>] mutex_lock+0x17/0x30
[<ffffffffa00a3bb4>] asus_rfkill_hotplug+0x24/0x1a0 [asus_wmi]
[<ffffffffa00a4421>] asus_wmi_rfkill_exit+0x61/0x150 [asus_wmi]
[<ffffffffa00a49f1>] asus_wmi_remove+0x61/0xb0 [asus_wmi]
[<ffffffff814a5128>] platform_drv_remove+0x28/0x40
[<ffffffff814a2901>] __device_release_driver+0xa1/0x160
[<ffffffff814a29e3>] device_release_driver+0x23/0x30
[<ffffffff814a1ffd>] bus_remove_device+0xfd/0x170
[<ffffffff8149e5a9>] device_del+0x139/0x270
[<ffffffff814a5028>] platform_device_del+0x28/0x90
[<ffffffff814a50a2>] platform_device_unregister+0x12/0x30
[<ffffffffa00a4209>] asus_wmi_unregister_driver+0x19/0x30 [asus_wmi]
[<ffffffffa00da0ea>] asus_nb_wmi_exit+0x10/0xf26 [asus_nb_wmi]
[<ffffffff8110c692>] SyS_delete_module+0x192/0x270
[<ffffffff810022b2>] ? exit_to_usermode_loop+0x92/0xa0
[<ffffffff816ca560>] entry_SYSCALL_64_fastpath+0x13/0x94
Code: e8 5e 30 00 00 8b 03 83 f8 01 0f 84 93 00 00 00 48 8b 43 10 4c 8d 7b 08 48 89 63 10 41 be ff ff ff ff 4c 89 3c 24 48 89 44 24 08 <48> 89 20 4c 89 6c 24 10 eb 1d 4c 89 e7 49 c7 45 08 02 00 00 00
RIP [<ffffffff816c7348>] __mutex_lock_slowpath+0x98/0x120
RSP <ffffc900014cfce0>
CR2: 0000000000000000
---[ end trace 8d484233fa7cb512 ]---
note: modprobe[3275] exited with preempt_count 2
https://bugzilla.kernel.org/show_bug.cgi?id=196467
Reported-by: red.f0xyz@gmail.com
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Move to_cros_ec_dev macro to cros_ec.h and use it when the private ec
object is needed from device object.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Celes has newer touch controller (compared to the controllers used in
older BayTrail-based devices) and so uses the same button mapping as
Samus.
This fixes the issue with mouse button being stuck in pressed state
after the first click.
Reported-by: Sultan Alsawaf <sultanxda@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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working-branch-for-4.18
Signed-off-by: Benson Leung <bleung@chromium.org>
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Without CONFIG_INPUT, or with a modular input layer and built-in
tablet driver, we get a link error:
ERROR: "input_event" [drivers/platform/chrome/chromeos_tbmc.ko] undefined!
ERROR: "input_register_device" [drivers/platform/chrome/chromeos_tbmc.ko] undefined!
ERROR: "input_set_capability" [drivers/platform/chrome/chromeos_tbmc.ko] undefined!
ERROR: "devm_input_allocate_device" [drivers/platform/chrome/chromeos_tbmc.ko] undefined!
This adds the corresponding Kconfig dependency
Fixes: b418f74170d7 ("platform: chrome: Add Tablet Switch ACPI driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benson Leung <bleung@chromium.org>
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BayTrail-based and newer Chromebooks describe their peripherals in ACPI;
unfortunately their description is not complete, and peripherals
drivers, such as driver for Atmel Touch controllers, has to resort to
DMI-matching to configure the peripherals properly. To avoid polluting
peripheral driver code, let's teach chromeos_laptop driver to supply
missing data via generic device properties.
Note we supply "compatible" string for Atmel peripherals not because it is
needed for matching devices and driver (matching is still done on ACPI HID
entries), but because peripherals driver will be using presence of
"compatible" property to determine if device properties have been attached
to the device, and fail to bind if they are absent.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Replace the original license statement with the SPDX identifier.
Add also one line of description as recommended by the COPYING file.
Signed-off-by: Benson Leung <bleung@chromium.org>
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Add a kernel driver for GOOG0006, an ACPI driver reporting an event when
the tablet switch status changes.
On an ACPI based convertible chromebook check evtest display tablet mode
switch changes:
Available devices:
..
/dev/input/event3: Tablet Mode Switch
..
Testing ... (interrupt to exit)
Event: time 1484879712.604360, type 5 (EV_SW), code 1 (SW_TABLET_MODE),
value 1
Event: time 1484879712.604360, -------------- SYN_REPORT ------------
Event: time 1484879715.132228, type 5 (EV_SW), code 1 (SW_TABLET_MODE),
value 0
Event: time 1484879715.132228, -------------- SYN_REPORT ------------
...
Check state is updated at resume time when different from suspend time.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Commit 001dde9400d5 ("mfd: cros ec: spi: Fix "in progress" error
signaling") pointed out some bad code, but its analysis and conclusion
was not 100% correct.
It *is* correct that we should not propagate result==EC_RES_IN_PROGRESS
for transport errors, because this has a special meaning -- that we
should follow up with EC_CMD_GET_COMMS_STATUS until the EC is no longer
busy. This is definitely the wrong thing for many commands, because
among other problems, EC_CMD_GET_COMMS_STATUS doesn't actually retrieve
any RX data from the EC, so commands that expected some data back will
instead start processing junk.
For such commands, the right answer is to either propagate the error
(and return that error to the caller) or resend the original command
(*not* EC_CMD_GET_COMMS_STATUS).
Unfortunately, commit 001dde9400d5 forgets a crucial point: that for
some long-running operations, the EC physically cannot respond to
commands any more. For example, with EC_CMD_FLASH_ERASE, the EC may be
re-flashing its own code regions, so it can't respond to SPI interrupts.
Instead, the EC prepares us ahead of time for being busy for a "long"
time, and fills its hardware buffer with EC_SPI_PAST_END. Thus, we
expect to see several "transport" errors (or, messages filled with
EC_SPI_PAST_END). So we should really translate that to a retryable
error (-EAGAIN) and continue sending EC_CMD_GET_COMMS_STATUS until we
get a ready status.
IOW, it is actually important to treat some of these "junk" values as
retryable errors.
Together with commit 001dde9400d5, this resolves bugs like the
following:
1. EC_CMD_FLASH_ERASE now works again (with commit 001dde9400d5, we
would abort the first time we saw EC_SPI_PAST_END)
2. Before commit 001dde9400d5, transport errors (e.g.,
EC_SPI_RX_BAD_DATA) seen in other commands (e.g.,
EC_CMD_RTC_GET_VALUE) used to yield junk data in the RX buffer; they
will now yield -EAGAIN return values, and tools like 'hwclock' will
simply fail instead of retrieving and re-programming undefined time
values
Fixes: 001dde9400d5 ("mfd: cros ec: spi: Fix "in progress" error signaling")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Older models of Chromebooks did not describe the LPC EC in their ACPI
tables; starting with Strago-based devices Google is using GOOG0004 device
to describe EC LPC.
DMI-based match is fragile and does not work reliably, especially when
using custom firmware. It is also not needed when we can locate the right
ACPI device, so let's stop bailing out when DMI does not match but the
right ACPI device is present.
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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If DELL_WMI "select"s DELL_SMBIOS, the DELL_SMBIOS dependencies are
ignored and it is still possible to end up with unmet direct
dependencies.
Change the select to a depends on.
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
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As reported by Randy Dunlap:
>> WARNING: unmet direct dependencies detected for DELL_SMBIOS
>> Depends on [m]: X86 [=y] && X86_PLATFORM_DEVICES [=y]
>> && (DCDBAS [=m] ||
>> DCDBAS [=m]=n) && (ACPI_WMI [=n] || ACPI_WMI [=n]=n)
>> Selected by [y]:
>> - DELL_LAPTOP [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y]
>> && DMI [=y]
>> && BACKLIGHT_CLASS_DEVICE [=y] && (ACPI_VIDEO [=n] ||
>> ACPI_VIDEO [=n]=n)
>> && (RFKILL [=n] || RFKILL [=n]=n) && SERIO_I8042 [=y]
>>
Right now it's possible to set dell laptop to compile in but this
causes dell-smbios to compile in which breaks if dcdbas is a module.
Dell laptop shouldn't select dell-smbios anymore, but depend on it.
Fixes: 32d7b19bad96 (platform/x86: dell-smbios: Resolve dependency error on DCDBAS)
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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When the module is removed the led workqueue is destroyed in the remove
callback, before the led device is unregistered from the led subsystem.
This leads to a NULL pointer derefence when the led device is
unregistered automatically later as part of the module removal cleanup.
Bellow is the backtrace showing the problem.
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: __queue_work+0x8c/0x410
PGD 0 P4D 0
Oops: 0000 [#1] SMP NOPTI
Modules linked in: ccm edac_mce_amd kvm_amd kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 joydev crypto_simd asus_nb_wmi glue_helper uvcvideo snd_hda_codec_conexant snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel asus_wmi snd_hda_codec cryptd snd_hda_core sparse_keymap videobuf2_vmalloc arc4 videobuf2_memops snd_hwdep input_leds videobuf2_v4l2 ath9k psmouse videobuf2_core videodev ath9k_common snd_pcm ath9k_hw media fam15h_power ath k10temp snd_timer mac80211 i2c_piix4 r8169 mii mac_hid cfg80211 asus_wireless(-) snd soundcore wmi shpchp 8250_dw ip_tables x_tables amdkfd amd_iommu_v2 amdgpu radeon chash i2c_algo_bit drm_kms_helper syscopyarea serio_raw sysfillrect sysimgblt fb_sys_fops ahci ttm libahci drm video
CPU: 3 PID: 2177 Comm: rmmod Not tainted 4.15.0-5-generic #6+dev94.b4287e5bem1-Endless
Hardware name: ASUSTeK COMPUTER INC. X555DG/X555DG, BIOS 5.011 05/05/2015
RIP: 0010:__queue_work+0x8c/0x410
RSP: 0018:ffffbe8cc249fcd8 EFLAGS: 00010086
RAX: ffff992ac6810800 RBX: 0000000000000000 RCX: 0000000000000008
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff992ac6400e18
RBP: ffffbe8cc249fd18 R08: ffff992ac6400db0 R09: 0000000000000000
R10: 0000000000000040 R11: ffff992ac6400dd8 R12: 0000000000002000
R13: ffff992abd762e00 R14: ffff992abd763e38 R15: 000000000001ebe0
FS: 00007f318203e700(0000) GS:ffff992aced80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001c720e000 CR4: 00000000001406e0
Call Trace:
queue_work_on+0x38/0x40
led_state_set+0x2c/0x40 [asus_wireless]
led_set_brightness_nopm+0x14/0x40
led_set_brightness+0x37/0x60
led_trigger_set+0xfc/0x1d0
led_classdev_unregister+0x32/0xd0
devm_led_classdev_release+0x11/0x20
release_nodes+0x109/0x1f0
devres_release_all+0x3c/0x50
device_release_driver_internal+0x16d/0x220
driver_detach+0x3f/0x80
bus_remove_driver+0x55/0xd0
driver_unregister+0x2c/0x40
acpi_bus_unregister_driver+0x15/0x20
asus_wireless_driver_exit+0x10/0xb7c [asus_wireless]
SyS_delete_module+0x1da/0x2b0
entry_SYSCALL_64_fastpath+0x24/0x87
RIP: 0033:0x7f3181b65fd7
RSP: 002b:00007ffe74bcbe18 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3181b65fd7
RDX: 000000000000000a RSI: 0000000000000800 RDI: 0000555ea2559258
RBP: 0000555ea25591f0 R08: 00007ffe74bcad91 R09: 000000000000000a
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
R13: 00007ffe74bcae00 R14: 0000000000000000 R15: 0000555ea25591f0
Code: 01 00 00 02 0f 85 7d 01 00 00 48 63 45 d4 48 c7 c6 00 f4 fa 87 49 8b 9d 08 01 00 00 48 03 1c c6 4c 89 f7 e8 87 fb ff ff 48 85 c0 <48> 8b 3b 0f 84 c5 01 00 00 48 39 f8 0f 84 bc 01 00 00 48 89 c7
RIP: __queue_work+0x8c/0x410 RSP: ffffbe8cc249fcd8
CR2: 0000000000000000
---[ end trace 7aa4f4a232e9c39c ]---
Unregistering the led device on the remove callback before destroying the
workqueue avoids this problem.
https://bugzilla.kernel.org/show_bug.cgi?id=196097
Reported-by: Dun Hum <bitter.taste@gmx.com>
Cc: stable@vger.kernel.org
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
- a series from Dmitry to remove platform data from chromeos_laptop.c,
which was the only user of platform data for the atmel_mxt_ts driver.
- a series to clean up sysfs and debugfs for cros_ec
- other misc cleanups
* tag 'chrome-platform-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform: (22 commits)
platform/chrome: mfd/cros_ec_dev: Add sysfs entry to set keyboard wake lid angle
platform/chrome: cros_ec_debugfs: Add PD port info to debugfs
platform/chrome: cros_ec_debugfs: Use octal permissions '0444'
platform/chrome: cros_ec_sysfs: use permission-specific DEVICE_ATTR variants
platform/chrome: cros_ec_sysfs: introduce to_cros_ec_dev define.
platform/chrome: cros_ec_sysfs: Modify error handling
platform/chrome: cros_ec_lpc: Add support for Google devices using custom coreboot firmware
platform/chrome: cros_ec_lpc: wake up from s2idle on Chrome EC
Input: atmel_mxt_ts - remove platform data support
platform/chrome: chromeos_laptop - discard data for unneeded boards
platform/chrome: chromeos_laptop - use device properties for Pixel
platform/chrome: chromeos_laptop - rely on I2C to set up interrupt trigger
platform/chrome: chromeos_laptop - use I2C notifier to create devices
platform/chrome: chromeos_laptop - parse DMI IRQ data once
platform/chrome: chromeos_laptop - rework i2c peripherals initialization
platform/chrome: chromeos_laptop - factor out getting IRQ from DMI
platform/chrome: chromeos_laptop - introduce pr_fmt()
platform/chrome: chromeos_laptop - stop setting suspend mode for Atmel devices
platform/chrome: chromeos_laptop - add SPDX identifier
Input: atmel_mxt_ts - switch ChromeOS ACPI devices to generic props
...
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'origin/ib-chrome-platform-cros-ec-sysfs-debugfs-for-v4.17' into working-branch-for-4.17
Merging Enric's cros-ec sysfs and debugfs fixes from immutable branch.
Signed-off-by: Benson Leung <bleung@chromium.org>
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This adds a sysfs attribute (/sys/class/chromeos/cros_ec/kb_wake_angle)
used to set and get the keyboard wake lid angle. This attribute is
present only if 2 accelerometers are controlled by the EC.
This patch also moves the cros_ec features check before the device is
added so the features map obtained from the EC is ready on time.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Add info useful for debugging USB-PD port state.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Fixed the following checkpatch warning:
WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider
using octal permissions '0444'.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Use DEVICE_ATTR variants for read/write attributes. This simplifies the
source code, improves readbility, and reduces the chance of
inconsistencies.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Add a define to get the cros_ec_dev from device and use it.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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When accessing a sysfs attribute, if the EC command fails, -EPROTO is
now returned instead of an error message as it is unlikely an app is
parsing the error message to do something meaningful.
Also, this patch makes use of cros_ec_cmd_xfer_status() instead of
cros_ec_cmd_xfer() so an error message is printed in the syslog.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- Dell SMBIOS driver fixed against memory leaks.
- The fujitsu-laptop driver is cleaned up and now supports hotkeys for
Lifebook U7x7 models. Besides that the typo introduced by one of
previous clean up series has been fixed.
- Specific to x86-based laptops HID device now supports
KEY_ROTATE_LOCK_TOGGLE event which is emitted, for example, by Wacom
MobileStudio Pro 13.
- Turbo MAX 3 technology is enabled for the rest of platforms that
support Hardware-P-States feature which have core priority described
by ACPI CPPC table.
- Mellanox on x86 gets better support of I2C bus in use including
support of hotpluggable ones.
- Silead touchscreen is enabled on two tablet models, i.e Yours Y8W81
and I.T.Works TW701.
- From now on the second fan on Thinkpad P50 is supported.
- The topstar-laptop driver is reworked to support new models, in
particular Topstar U931.
* tag 'platform-drivers-x86-v4.17-1' of git://git.infradead.org/linux-platform-drivers-x86: (41 commits)
platform/x86: thinkpad_acpi: Add 2nd Fan Support for Thinkpad P50
platform/x86: dell-smbios: Fix memory leaks in build_tokens_sysfs()
intel-hid: support KEY_ROTATE_LOCK_TOGGLE
intel-hid: clean up and sort header files
platform/x86: silead_dmi: Add entry for the Yours Y8W81 tablet
platform/x86: fujitsu-laptop: Support Lifebook U7x7 hotkeys
platform/x86: mlx-platform: Add physical bus number auto detection
platform/mellanox: mlxreg-hotplug: Change input for device create routine
platform/x86: mlx-platform: Add deffered bus functionality
platform/x86: mlx-platform: Use define for the channel numbers
platform/x86: fujitsu-laptop: Revert UNSUPPORTED_CMD back to an int
platform/x86: Fix dell driver init order
platform/x86: dell-smbios: Resolve dependency error on ACPI_WMI
platform/x86: dell-smbios: Resolve dependency error on DCDBAS
platform/x86: Allow for SMBIOS backend defaults
platform/x86: dell-smbios: Link all dell-smbios-* modules together
platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base
platform/x86: dell-smbios: Correct some style warnings
platform/x86: wmi: Fix misuse of vsprintf extension %pULL
platform/x86: intel-hid: Reset wakeup capable flag on removal
...
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'chrome-platform-stop-being-a-platform-driver-plus-atmel_mxt_ts-for-v4.17' into working-branch-for-4.17
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coreboot firmware
This patch adds generic device information to the DMI table of
the cros_ec_lpc driver, needed for Chromebooks/boxes using a
custom coreboot firmware.
The DMI info would not contain "Google_*" as BIOS version string,
instead the system vendor string would still be "GOOGLE", so this
seems to be a reasonable match for every Chromebook/box running
a custom firmware.
Signed-off-by: Salvatore Bellizzi <lkml@seppia.net>
Signed-off-by: Vittorio Gambaletta <linuxbugs@vittgam.net>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Chrome platform installed a Chrome EC notify handler which prevents
default EC GPE handler getting called. Add pm_system_wakeup to the
Chrome EC notify handler so wake up from s2idle can happen.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Mark board data as __intconst/__initdata and make a copy of appropriate
entry once we identified the board we are running on. The rest of the data
will be discarded once the kernel finished booting (or module finished
loading).
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Now that Atmel driver uses generic device properties we can use them
instead of platform data when setting up touchpad on the original
Google Pixel.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Instead of passing interrupt flags via platform data to drivers, or
hoping that drivers will do the right thing and set it up the way we
need, let's set up IRQ resource and attach it to the I2C board info, and
let I2C core set it up for us.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Instead of using platform device and deferrals to handle the case when i2C
adapters appear late in the game, and not handling device unbinding all
that well, let's switch to using I2C bus notifier to get told when a new
I2C adapter appears in the system, and attempt to add appropriate devices
at that time.
In case when we have 2 Designware adapters in the system (Acer C720),
instead of counting and hoping they get enumerate din the right order,
let's switch to using their PCI devids (slot/function) that should be
stable.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Instead of trying to parse DMI IRQ data every time we try to instantiate a
device, let's do it once, when we identify the device we are working with.
This allows us to mark chromeos_laptop_get_irq_from_dmi() as __init and
discard it once module is initialized.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Instead of having separate setup() functions responsible for instantiating
i2c client for each peripheral, let's generalize the behavior and use
common code for instantiating all i2c peripherals.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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This will make code instantiating I2C device a bit clearer.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Define pr_fmt() to standardize driver messages.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Atmel touch controller driver no longer respects suspend mode specified in
platform data, so let's stop setting it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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Replace the original license statement with the SPDX identifier.
Add also one line of description as recommended by the COPYING file.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
kfifo: fix inaccurate comment
tools/thermal: tmon: fix for segfault
net: Spelling s/stucture/structure/
edd: don't spam log if no EDD information is present
Documentation: Fix early-microcode.txt references after file rename
tracing: Block comments should align the * on each line
treewide: Fix typos in printk
GenWQE: Fix a typo in two comments
treewide: Align function definition open/close braces
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big set of USB and PHY driver patches for 4.17-rc1.
Lots of USB typeC work happened this round, with code moving from the
staging directory into the "real" part of the kernel, as well as new
infrastructure being added to be able to handle the different types of
"roles" that typeC requires.
There is also the normal huge set of USB gadget controller and driver
updates, along with XHCI changes, and a raft of other tiny fixes all
over the USB tree. And the PHY driver updates are merged in here as
well as they interacted with the USB drivers in some places.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (250 commits)
Revert "USB: serial: ftdi_sio: add Id for Physik Instrumente E-870"
usb: musb: gadget: misplaced out of bounds check
usb: chipidea: imx: Fix ULPI on imx53
usb: chipidea: imx: Cleanup ci_hdrc_imx_platform_flag
usb: chipidea: usbmisc: small clean up
usb: chipidea: usbmisc: evdo can be set e/o reset
usb: chipidea: usbmisc: evdo is only specific to OTG port
USB: serial: ftdi_sio: add Id for Physik Instrumente E-870
usb: dwc3: gadget: never call ->complete() from ->ep_queue()
usb: gadget: udc: core: update usb_ep_queue() documentation
usb: host: Remove the deprecated ATH79 USB host config options
usb: roles: Fix return value check in intel_xhci_usb_probe()
USB: gadget: f_midi: fixing a possible double-free in f_midi
usb: core: Add USB_QUIRK_DELAY_CTRL_MSG to usbcore quirks
usb: core: Copy parameter string correctly and remove superfluous null check
USB: announce bcdDevice as well as idVendor, idProduct.
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
usb: hub: Reduce warning to notice on power loss
USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator
USB: serial: cp210x: add ELDAT Easywave RX09 id
...
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The Thinkpad P50 has 2 fans. Add the 2FAN quirk so the tpacpi driver
properly reports both fan speeds.
Because the P50 doesn't report the version of its EC controller,
we need to identify it by BIOS version (N1).
Signed-off-by: Alexander Kappner <agk@godking.net>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
[andy: renamed macro, massaged changelog]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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We're freeing "value_name" which is NULL, so that's a no-op, but we
intended to free "location_name" instead. And then we don't free the
names in token_location_attrs[0] and token_value_attrs[0].
Fixes: 33b9ca1e53b4 ("platform/x86: dell-smbios: Add a sysfs interface for SMBIOS tokens")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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KEY_ROTATE_LOCK_TOGGLE is introduced in 4.16 rc1 and this key event is
emitted on Wacom MobileStudio Pro 13.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Co-developed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Removed unused header files and sorted them alphabetically. No
functional changes are made.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Add an entry with touchscreen info for the Yours Y8W81 8" tablet.
This tablet has the same case and mostly the same internals as the Chuwi
Vi8. Both seem to be from an ODM called inet-tek. Both are labelled:
"INET-I86M-REVxx" on the PCB, with the Chuwi Vi8 being REV03 (and having
an ALC5640 audio codec) and the Yours Y8W81 being REV21 (and having an
ALC5651 audio codec). The wifi, accelerometer and touchscreen are
identical on both.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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* acpi-battery:
Revert "ACPI: battery: Add the ThinkPad "Not Charging" quirk"
ACPI: battery: do not export degraded capacity values over 100
ACPI: battery: make function __battery_hook_unregister() static
ACPI: battery: Add the ThinkPad "Not Charging" quirk
thinkpad_acpi: Add support for battery thresholds
power: add to_power_supply macro to the API
battery: Add the battery hooking API
* acpi-doc:
ACPI: sysfs: Update device object sysfs documentation
* acpi-pmic:
ACPI / PMIC: Replace license boilerplate with SPDX license identifier
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Some functions definitions have either the initial open brace and/or
the closing brace outside of column 1.
Move those braces to column 1.
This allows various function analyzers like gnu complexity to work
properly for these modified functions.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Generate input events for hotkeys present in Fujitsu Lifebook
U727 and U757 laptops:
- Fn+F1 (KEY_MICMUTE)
- Fn+F5 (KEY_RFKILL)
Signed-off-by: Jan-Marek Glogowski <glogow@fbihome.de>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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mlx-platform does not provide a bus number to i2c-mlxcpld, assuming it
is always one. On some x86 systems, other i2c drivers may probe before
i2c-mlxcpld, causing bus one to be busy.
Make mlx-platform determine which adapter number is free prior to
activating i2c-mlxpld, adjusting the mux base numbers accordingly.
Update the mlxreg-hotplug pdata similarly.
This adds an explicit mlx-platform build dependency on I2C, update the
Kconfig accordingly. Add the missing REGMAP dependency while we're at
it.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
[dvhart: Rewrite commit message more concisely]
[dvhart: Add build dependencies]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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