Commit Graph

1059871 Commits

Author SHA1 Message Date
Hengqi Chen
9eeb3aa33a bpf: Add bpf_skc_to_unix_sock() helper
The helper is used in tracing programs to cast a socket
pointer to a unix_sock pointer.
The return value could be NULL if the casting is illegal.

Suggested-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20211021134752.1223426-2-hengqi.chen@gmail.com
2021-10-21 15:11:06 -07:00
Pu Lehui
44ce0ac11e samples: bpf: Suppress readelf stderr when probing for BTF support
When compiling bpf samples, the following warning appears:

readelf: Error: Missing knowledge of 32-bit reloc types used in DWARF
sections of machine number 247
readelf: Warning: unable to apply unsupported reloc type 10 to section
.debug_info
readelf: Warning: unable to apply unsupported reloc type 1 to section
.debug_info
readelf: Warning: unable to apply unsupported reloc type 10 to section
.debug_info

Same problem was mentioned in commit 2f0921262b ("selftests/bpf:
suppress readelf stderr when probing for BTF support"), let's use
readelf that supports btf.

Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20211021123913.48833-1-pulehui@huawei.com
2021-10-21 15:09:23 -07:00
Mianhan Liu
1515b849f7 auxdisplay: ht16k33: remove superfluous header files
ht16k33.c doesn't use any macro or function declared in
linux/slab.h. Thus, these files can be removed from ht16k33.c
safely without affecting the compilation.

Signed-off-by: Mianhan Liu <liumh1@shanghaitech.edu.cn>
Acked-by: Robin van der Gracht <robin@protonic.nl>
[reworded]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-22 00:07:29 +02:00
Mianhan Liu
2b7ea42e7e auxdisplay: ks0108: remove superfluous header files
ks0108.c doesn't use any macro or function declared in
linux/fs.h, linux/io.h and linux/uaccess.h. Thus,
these files can be removed from ks0108.c safely without
affecting the compilation.

Signed-off-by: Mianhan Liu <liumh1@shanghaitech.edu.cn>
[reworded]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-22 00:04:43 +02:00
Mianhan Liu
83bb3d512f auxdisplay: cfag12864bfb: remove superfluous header files
cfag12864bfb.c doesn't use any macro or function declared in
linux/delay.h, linux/string.h and linux/uaccess.h. Thus,
these files can be removed from cfag12864bfb.c safely without
affecting the compilation.

Signed-off-by: Mianhan Liu <liumh1@shanghaitech.edu.cn>
[reworded]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-22 00:03:49 +02:00
Geert Uytterhoeven
5d343f7c45 auxdisplay: ht16k33: Make use of device properties
The device property API allows drivers to gather device resources from
different sources, such as ACPI, and lift the dependency on Device Tree.
Convert the driver to unleash the power of the device property API.

Suggested-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:30 +02:00
Geert Uytterhoeven
c223d9c636 auxdisplay: ht16k33: Add LED support
Instantiate a single LED based on the "led" subnode in DT.
This allows the user to control display brightness and blinking (backed
by hardware support) through the LED class API and triggers, and exposes
the display color.  The LED will be named
"auxdisplay:<color>:<function>".

When running in dot-matrix mode and if no "led" subnode is found, the
driver falls back to the traditional backlight mode, to preserve
backwards compatibility.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:30 +02:00
Geert Uytterhoeven
2904c01428 dt-bindings: auxdisplay: ht16k33: Document LED subnode
Extend the Holtek HT16K33 LED controller Device Tree bindings with an
LED subnode, conforming to the standard LED bindings.

This allows the user to exert more control, like specifying LED color,
function, and/or trigger, to extend LED functionality beyond a simple
display backlight.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:30 +02:00
Geert Uytterhoeven
a0428724cf auxdisplay: ht16k33: Add support for segment displays
The Holtek HT16K33 LED controller is not only used for driving
dot-matrix displays, but also for driving segment displays.

Add support for 4-digit 7-segment and quad 14-segment alphanumeric
displays, like the Adafruit 7-segment and 14-segment display backpack
and FeatherWing expansion boards.  Use the character line display core
support to display a message, which will be scrolled if it doesn't fit.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:30 +02:00
Geert Uytterhoeven
fcbb3c356e auxdisplay: ht16k33: Extract frame buffer probing
Extract all frame buffer (including backlight) probing into
ht16k33_fbdev_probe().

Call ht16k33_fbdev_probe() after ht16k33_keypad_probe(), as the latter
does not need any manual cleanup in the probe error path.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:30 +02:00
Geert Uytterhoeven
b37cc22027 auxdisplay: ht16k33: Extract ht16k33_brightness_set()
Extract brightness handling into a helper function, so it can be called
from multiple places.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
85d93b165f auxdisplay: ht16k33: Move delayed work
Move delayed_work from ht16k33_fbdev to ht16k33_priv, as it is not
specific to dot-matrix displays, but common to all display types.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
d08a44d86f auxdisplay: ht16k33: Add helper variable dev
This driver has many users of "client->dev".  Add shorthands to simplify
the code.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
e66b4f4f52 auxdisplay: ht16k33: Convert to simple i2c probe function
ht16k33_probe() does not use the passed i2c_device_id, so the driver can
be converted trivially to the new-style of i2c probing.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
11b92913d1 auxdisplay: ht16k33: Remove unneeded error check in keypad probe()
There is no need to check the return code of input_register_device(),
just propagate it to the caller.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
fb61e137c0 auxdisplay: ht16k33: Use HT16K33_FB_SIZE in ht16k33_initialize()
Use the existing HT16K33_FB_SIZE definition instead of open-coding the
same calculation using an hardcoded value.
While at it, restore reverse Christmas tree variable declaration order.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
840fe25833 auxdisplay: ht16k33: Fix frame buffer device blanking
As the ht16k33 frame buffer sub-driver does not register an
fb_ops.fb_blank() handler, blanking does not work:

    $ echo 1 > /sys/class/graphics/fb0/blank
    sh: write error: Invalid argument

Fix this by providing a handler that always returns zero, to make sure
blank events will be sent to the actual device handling the backlight.

Reported-by: Robin van der Gracht <robin@protonic.nl>
Suggested-by: Robin van der Gracht <robin@protonic.nl>
Fixes: 8992da44c6 ("auxdisplay: ht16k33: Driver for LED controller")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
80f9eb70fd auxdisplay: ht16k33: Connect backlight to fbdev
Currently /sys/class/graphics/fb0/bl_curve is not accessible (-ENODEV),
as the driver does not connect the backlight to the frame buffer device.
Fix this moving backlight initialization up, and filling in
fb_info.bl_dev.

Fixes: 8992da44c6 ("auxdisplay: ht16k33: Driver for LED controller")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
d79141c39f auxdisplay: linedisp: Add support for changing scroll rate
If the message to display is longer than the number of characters that
the display can show, the message will be scrolled.  Currently the
scroll rate is fixed, moving every 500 ms.

Add support for changing the scroll rate through a "scroll_step_ms"
device attribute in sysfs.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
364f2c392f auxdisplay: linedisp: Use kmemdup_nul() helper
Use the existing kmemdup_nul() helper instead of open-coding the same
operation.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:29 +02:00
Geert Uytterhoeven
7e76aece6f auxdisplay: Extract character line display core support
Extract the character line display core support from the simple ASCII
LCD driver for the MIPS Boston, Malta & SEAD3 development boards into
its own subdriver, so it can be reused for other displays.

As this moves the "message" device attribute in sysfs in a "linedisp.N"
subdirectory, a symlink is added to preserve backwards compatibility.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:28 +02:00
Geert Uytterhoeven
12a19324eb auxdisplay: img-ascii-lcd: Convert device attribute to sysfs_emit()
Convert the "message" device attribute from sprintf() to sysfs_emit(),
as the latter is aware of the PAGE_SIZE buffer.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:28 +02:00
Geert Uytterhoeven
7b88e5530f auxdisplay: img-ascii-lcd: Add helper variable dev
img_ascii_lcd_probe() has many users of "pdev->dev".  Add a shorthand to
simplify the code.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:28 +02:00
Geert Uytterhoeven
afcb5a811f auxdisplay: img-ascii-lcd: Fix lock-up when displaying empty string
While writing an empty string to a device attribute is a no-op, and thus
does not need explicit safeguards, the user can still write a single
newline to an attribute file:

    echo > .../message

If that happens, img_ascii_lcd_display() trims the newline, yielding an
empty string, and causing an infinite loop in img_ascii_lcd_scroll().

Fix this by adding a check for empty strings.  Clear the display in case
one is encountered.

Fixes: 0cad855fbd ("auxdisplay: img-ascii-lcd: driver for simple ASCII LCD displays")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:28 +02:00
Geert Uytterhoeven
ae53c6963f dt-bindings: auxdisplay: ht16k33: Document Adafruit segment displays
The Holtek HT16K33 LED controller is not only used for driving
dot-matrix displays, but also for driving segment displays.

Document compatible values for the Adafruit 7-segment[1] and
14-segment[2] FeatherWing expansion boards with red displays.  According
to the schematics, all other Adafruit 7-segment and 14-segment display
backpack and FeatherWing expansion boards (including bare boards and
boards fitted with displays) are compatible with these two boards.

[1] https://www.adafruit.com/product/3108
[2] https://www.adafruit.com/product/3130

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:28 +02:00
Geert Uytterhoeven
c353d7ce76 uapi: Add <linux/map_to_14segment.h>
Add a header file providing translation primitives and tables for the
conversion of (ASCII) characters to a 14-segments notation, as used by
14-segment alphanumeric displays.

This follows the spirit of include/uapi/linux/map_to_7segment.h.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:28 +02:00
Shuah Khan
c3867ab592 selftests: kvm: fix mismatched fclose() after popen()
get_warnings_count() does fclose() using File * returned from popen().
Fix it to call pclose() as it should.

tools/testing/selftests/kvm/x86_64/mmio_warning_test
x86_64/mmio_warning_test.c: In function ‘get_warnings_count’:
x86_64/mmio_warning_test.c:87:9: warning: ‘fclose’ called on pointer returned from a mismatched allocation function [-Wmismatched-dealloc]
   87 |         fclose(f);
      |         ^~~~~~~~~
x86_64/mmio_warning_test.c:84:13: note: returned from ‘popen’
   84 |         f = popen("dmesg | grep \"WARNING:\" | wc -l", "r");
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2021-10-21 15:16:28 -06:00
Trond Myklebust
4cd27df88a NFS: Remove redundant call to __set_page_dirty_nobuffers
Remove a redundant call in nfs_updatepage(). nfs_writepage_setup() will
have already called nfs_mark_request_dirty() on success.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-10-21 17:11:41 -04:00
Jessica Zhang
409af447c2 drm/msm/dsi: fix wrong type in msm_dsi_host
Change byte_clk_rate, pixel_clk_rate, esc_clk_rate, and src_clk_rate
from u32 to unsigned long, since clk_get_rate() returns an unsigned long.

Fixes: a6bcddbc2e ("drm/msm: dsi: Handle dual-channel for 6G as well")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jessica Zhang <jesszhan@codeaurora.org>
Link: https://lore.kernel.org/r/20211020183438.32263-1-jesszhan@codeaurora.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-10-21 13:41:10 -07:00
Jessica Zhang
8bf71a5719 drm/msm: Fix potential NULL dereference in DPU SSPP
Move initialization of sblk in _sspp_subblk_offset() after NULL check to
avoid potential NULL pointer dereference.

Fixes: 25fdd5933e ("drm/msm: Add SDM845 DPU support")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jessica Zhang <jesszhan@codeaurora.org>
Link: https://lore.kernel.org/r/20211020175733.3379-1-jesszhan@codeaurora.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-10-21 13:40:28 -07:00
Krishna Manikandan
57fd4f34dd dt-bindings: msm: add DT bindings for sc7280
MSM Mobile Display Subsystem (MDSS) encapsulates sub-blocks
like DPU display controller, DSI, EDP etc. Add required DPU
device tree bindings for SC7280.

Signed-off-by: Krishna Manikandan <quic_mkrishn@quicinc.com>

Changes in v2:
  - Drop target from description (Stephen Boyd)
  - Drop items from compatible (Stephen Boyd)
  - Add clock names one per line for readability (Stephen Boyd)
  - Use correct indendation (Stephen Boyd)
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1634738333-3916-1-git-send-email-quic_mkrishn@quicinc.com

Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-10-21 13:37:50 -07:00
David Heidelberg
6427f5d05e dt-bindings: drm/msm/gpu: convert to YAML
Conversion of text binding for Adreno GPU to the YAML format.

Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211017144350.70295-1-david@ixit.cz
Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-10-21 13:36:32 -07:00
Dave Airlie
6f2f7c8330 Merge tag 'drm-intel-gt-next-2021-10-21' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
UAPI Changes:

- Expose multi-LRC submission interface

  Similar to the bonded submission interface but simplified.
  Comes with GuC only implementation for now. See kerneldoc
  for more details.

  Userspace changes: https://github.com/intel/media-driver/pull/1252

- Expose logical engine instance to user

  Needed by the multi-LRC submission interface for GuC

  Userspace changes: https://github.com/intel/media-driver/pull/1252

Driver Changes:

- Fix blank screen booting crashes when CONFIG_CC_OPTIMIZE_FOR_SIZE=y (Hugh)
- Add support for multi-LRC submission in the GuC backend (Matt B)
- Add extra cache flushing before making pages userspace visible (Matt A, Thomas)
- Mark internal GPU object pages dirty so they will be flushed properly (Matt A)

- Move remaining debugfs interfaces i915_wedged/i915_forcewake_user into gt (Andi)
- Replace the unconditional clflushes with drm_clflush_virt_range() (Ville)
- Remove IS_ACTIVE macro completely (Lucas)
- Improve kerneldocs for cache_dirty (Matt A)

- Add missing includes (Lucas)
- Selftest improvements (Matt R, Ran, Matt A)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YXFmLKoq8Fg9JxSd@jlahtine-mobl.ger.corp.intel.com
2021-10-22 06:30:34 +10:00
Armin Wolf
c0d79987a0 hwmon: (dell-smm) Speed up setting of fan speed
When setting the fan speed, i8k_set_fan() calls i8k_get_fan_status(),
causing an unnecessary SMM call since from the two users of this
function, only i8k_ioctl_unlocked() needs to know the new fan status
while dell_smm_write() ignores the new fan status.
Since SMM calls can be very slow while also making error reporting
difficult for dell_smm_write(), remove the function call from
i8k_set_fan() and call it separately in i8k_ioctl_unlocked().

Tested on a Dell Inspiron 3505.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-6-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-21 13:14:27 -07:00
Armin Wolf
927d89ee96 hwmon: (dell-smm) Add comment explaining usage of i8k_config_data[]
i8k_config_data[] should only be used for applying device specific
quirks in case autoconfig does not work properly on certain
devices.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-5-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-21 13:14:27 -07:00
Armin Wolf
e64325e8c5 hwmon: (dell-smm) Return -ENOIOCTLCMD instead of -EINVAL
Returning -ENOIOCTLCMD gives the callers a better
hint of what went wrong and is the recommended
behavior.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-4-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-21 13:14:27 -07:00
Armin Wolf
38c5b0dd7d hwmon: (dell-smm) Use strscpy_pad()
Using strscpy_pad() allows for fewer memory accesses
since memset() will not unconditionally zero-out
the whole buffer.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-21 13:14:27 -07:00
Armin Wolf
6105870f79 hwmon: (dell-smm) Sort includes in alphabetical order
Sort includes for better overview.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-21 13:14:27 -07:00
Antoniu Miclaus
77af145dc7 dt-bindings: iio: frequency: add adrf6780 doc
Add device tree bindings for the ADRF6780 Upconverter.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20211021113244.56936-2-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-10-21 21:00:59 +01:00
Antoniu Miclaus
63aaf6d06d iio: frequency: adrf6780: add support for ADRF6780
The ADRF6780 is a silicon germanium (SiGe) design, wideband,
microwave upconverter optimized for point to point microwave
radio designs operating in the 5.9 GHz to 23.6 GHz frequency
range.

Datasheet:
https://www.analog.com/media/en/technical-documentation/data-sheets/ADRF6780.pdf

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20211021113244.56936-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-10-21 21:00:59 +01:00
Roan van Dijk
e46e2512ac iio: chemical: scd4x: Add a scale for the co2 concentration reading
This patch adds a scale for the co2 concentration reading. The reading is
expressed in percent after applying the scale to the raw value.

Signed-off-by: Roan van Dijk <roan@protonic.nl>
Link: https://lore.kernel.org/r/20211021140018.3051213-1-roan@protonic.nl
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-10-21 20:53:11 +01:00
Kim Phillips
595cb5e0b8 Revert "drm/ast: Add detect function support"
This reverts commit aae74ff9ca,
since it prevents my AMD Milan system from booting, with:

[   27.189558] BUG: kernel NULL pointer dereference, address: 0000000000000000
[   27.197506] #PF: supervisor write access in kernel mode
[   27.203333] #PF: error_code(0x0002) - not-present page
[   27.209064] PGD 0 P4D 0
[   27.211885] Oops: 0002 [#1] PREEMPT SMP NOPTI
[   27.216744] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-rc6+ #15
[   27.223928] Hardware name: AMD Corporation ETHANOL_X/ETHANOL_X, BIOS RXM1006B 08/20/2021
[   27.232955] RIP: 0010:run_timer_softirq+0x38b/0x4a0
[   27.238397] Code: 4c 89 f7 e8 37 27 ac 00 49 c7 46 08 00 00 00 00 49 8b 04 24 48 85 c0 74 71 4d 8b 3c 24 4d 89 7e 08 66 90 49 8b 07 49 8b 57 08 <48> 89 02 48 85 c0 74 04 48 89 50 08 49 8b 77 18 41 f6 47 22 20 4c
[   27.259350] RSP: 0018:ffffc42d00003ee8 EFLAGS: 00010086
[   27.265176] RAX: dead000000000122 RBX: 0000000000000000 RCX: 0000000000000101
[   27.273134] RDX: 0000000000000000 RSI: 0000000000000087 RDI: 0000000000000001
[   27.281084] RBP: ffffc42d00003f70 R08: 0000000000000000 R09: 00000000000003eb
[   27.289043] R10: ffffa0860cb300d0 R11: ffffa0c44de290b0 R12: ffffc42d00003ef8
[   27.297002] R13: 00000000fffef200 R14: ffffa0c44de18dc0 R15: ffffa0867a882350
[   27.304961] FS:  0000000000000000(0000) GS:ffffa0c44de00000(0000) knlGS:0000000000000000
[   27.313988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.320396] CR2: 0000000000000000 CR3: 000000014569c001 CR4: 0000000000770ef0
[   27.328346] PKRU: 55555554
[   27.331359] Call Trace:
[   27.334073]  <IRQ>
[   27.336314]  ? __queue_work+0x420/0x420
[   27.340589]  ? lapic_next_event+0x21/0x30
[   27.345060]  ? clockevents_program_event+0x8f/0xe0
[   27.350402]  __do_softirq+0xfb/0x2db
[   27.354388]  irq_exit_rcu+0x98/0xd0
[   27.358275]  sysvec_apic_timer_interrupt+0xac/0xd0
[   27.363620]  </IRQ>
[   27.365955]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[   27.371685] RIP: 0010:cpuidle_enter_state+0xcc/0x390
[   27.377292] Code: 3d 01 79 0a 50 e8 44 ed 77 ff 49 89 c6 0f 1f 44 00 00 31 ff e8 f5 f8 77 ff 80 7d d7 00 0f 85 e6 01 00 00 fb 66 0f 1f 44 00 00 <45> 85 ff 0f 88 17 01 00 00 49 63 c7 4c 2b 75 c8 48 8d 14 40 48 8d
[   27.398243] RSP: 0018:ffffffffb0e03dc8 EFLAGS: 00000246
[   27.404069] RAX: ffffa0c44de00000 RBX: 0000000000000001 RCX: 000000000000001f
[   27.412028] RDX: 0000000000000000 RSI: ffffffffb0bafc1f RDI: ffffffffb0bbdb81
[   27.419986] RBP: ffffffffb0e03e00 R08: 00000006549f8f3f R09: ffffffffb1065200
[   27.427935] R10: ffffa0c44de27ae4 R11: ffffa0c44de27ac4 R12: ffffa0c5634cb000
[   27.435894] R13: ffffffffb1065200 R14: 00000006549f8f3f R15: 0000000000000001
[   27.443854]  ? cpuidle_enter_state+0xbb/0x390
[   27.448712]  cpuidle_enter+0x2e/0x40
[   27.452695]  call_cpuidle+0x23/0x40
[   27.456584]  do_idle+0x1f0/0x270
[   27.460181]  cpu_startup_entry+0x20/0x30
[   27.464553]  rest_init+0xd4/0xe0
[   27.468149]  arch_call_rest_init+0xe/0x1b
[   27.472619]  start_kernel+0x6bc/0x6e2
[   27.476764]  x86_64_start_reservations+0x24/0x26
[   27.481912]  x86_64_start_kernel+0x75/0x79
[   27.486477]  secondary_startup_64_no_verify+0xb0/0xbb
[   27.492111] Modules linked in: kvm_amd(+) kvm ipmi_si(+) ipmi_devintf rapl wmi_bmof ipmi_msghandler input_leds ccp k10temp mac_hid sch_fq_codel msr ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ast i2c_algo_bit drm_vram_helper drm_ttm_helper ttm drm_kms_helper crct10dif_pclmul crc32_pclmul ghash_clmulni_intel syscopyarea aesni_intel sysfillrect crypto_simd sysimgblt fb_sys_fops cryptd hid_generic cec nvme ahci usbhid drm e1000e nvme_core hid libahci i2c_piix4 wmi
[   27.551789] CR2: 0000000000000000
[   27.555482] ---[ end trace 897987dfe93dccc6 ]---
[   27.560630] RIP: 0010:run_timer_softirq+0x38b/0x4a0
[   27.566069] Code: 4c 89 f7 e8 37 27 ac 00 49 c7 46 08 00 00 00 00 49 8b 04 24 48 85 c0 74 71 4d 8b 3c 24 4d 89 7e 08 66 90 49 8b 07 49 8b 57 08 <48> 89 02 48 85 c0 74 04 48 89 50 08 49 8b 77 18 41 f6 47 22 20 4c
[   27.587021] RSP: 0018:ffffc42d00003ee8 EFLAGS: 00010086
[   27.592848] RAX: dead000000000122 RBX: 0000000000000000 RCX: 0000000000000101
[   27.600808] RDX: 0000000000000000 RSI: 0000000000000087 RDI: 0000000000000001
[   27.608765] RBP: ffffc42d00003f70 R08: 0000000000000000 R09: 00000000000003eb
[   27.616716] R10: ffffa0860cb300d0 R11: ffffa0c44de290b0 R12: ffffc42d00003ef8
[   27.624673] R13: 00000000fffef200 R14: ffffa0c44de18dc0 R15: ffffa0867a882350
[   27.632624] FS:  0000000000000000(0000) GS:ffffa0c44de00000(0000) knlGS:0000000000000000
[   27.641650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.648159] CR2: 0000000000000000 CR3: 000000014569c001 CR4: 0000000000770ef0
[   27.656119] PKRU: 55555554
[   27.659133] Kernel panic - not syncing: Fatal exception in interrupt
[   29.030411] Shutting down cpus with NMI
[   29.034699] Kernel Offset: 0x2e600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[   29.046790] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---

Since unreliable, found by bisecting for KASAN's use-after-free in
enqueue_timer+0x4f/0x1e0, where the timer callback is called.

Reported-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Fixes: aae74ff9ca ("drm/ast: Add detect function support")
Link: https://lore.kernel.org/lkml/0f7871be-9ca6-5ae4-3a40-5db9a8fb2365@amd.com/
Cc: Ainux <ainux.wang@gmail.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: sterlingteng@gmail.com
Cc: chenhuacai@kernel.org
Cc: Chuck Lever III <chuck.lever@oracle.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jon Grimm <jon.grimm@amd.com>
Cc: dri-devel <dri-devel@lists.freedesktop.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211021153006.92983-1-kim.phillips@amd.com
2021-10-22 05:52:12 +10:00
Dave Airlie
94ff371eb8 UAPI Changes:
- No Functional change, but a clarification around I915_TILING values (Matt).
 
 Driver Changes:
 
 - Changes around async flip VT-d w/a (Ville)
 - Delete bogus NULL check in intel_ddi_encoder_destroy (Dan)
 - DP link training improvements and DP per-lane driver settings (Ville)
 - Free the returned object of acpi_evaluate_dsm (Zenghui)
 - Fixes and improvements around DP's UHBR and MST (Jani)
 - refactor plane config + pin out (Dave)
 - remove unused include in intel_dsi_vbt.c (Lucas)
 - some code clean up (Lucas, Jani)
 - gracefully disable dual eDP (Jani)
 - Remove memory frequency calculation (Jose)
 - Fix oops on platforms w/o hpd support (Ville)
 - Clean up PXP Kconfig info (Rodrigo)
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Merge tag 'drm-intel-next-2021-10-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

UAPI Changes:

- No Functional change, but a clarification around I915_TILING values (Matt).

Driver Changes:

- Changes around async flip VT-d w/a (Ville)
- Delete bogus NULL check in intel_ddi_encoder_destroy (Dan)
- DP link training improvements and DP per-lane driver settings (Ville)
- Free the returned object of acpi_evaluate_dsm (Zenghui)
- Fixes and improvements around DP's UHBR and MST (Jani)
- refactor plane config + pin out (Dave)
- remove unused include in intel_dsi_vbt.c (Lucas)
- some code clean up (Lucas, Jani)
- gracefully disable dual eDP (Jani)
- Remove memory frequency calculation (Jose)
- Fix oops on platforms w/o hpd support (Ville)
- Clean up PXP Kconfig info (Rodrigo)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YWnMORrixyw90O3/@intel.com
2021-10-22 05:49:42 +10:00
Ulf Hansson
61840edc88 mmc: dw_mmc: Drop use of ->init_card() callback
For dw_mmc, the ->init_card() callback is being used to turn on/off
automatic internal clock gating for powersave, which is needed to properly
support SDIO irqs on DAT1.

However, using the ->init_card() comes with a drawback in this case, as it
means that the powersave feature becomes disabled, no matter whether the
SDIO irqs becomes turned on or not. To improve the behaviour, let's change
into using the ->enable_sdio_irq() callback instead. This works fine,
because dw_mmc uses sdio_signal_irq() to signal the irqs, thus the
->enable_sdio_irq() is never executed from within atomic context.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20211020102907.70195-1-ulf.hansson@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-10-21 21:47:30 +02:00
Tony Lindgren
f85a15c5ef mmc: sdhci-omap: Fix build if CONFIG_PM_SLEEP is not set
Commit f433e8aac6 ("mmc: sdhci-omap: Implement PM runtime functions")
combined the use of runtime PM and system suspend functions but left the
ifdef CONFIG_PM_SLEEP in place causing undeclared identifier error for
sdhci_omap_runtime_suspend if CONFIG_PM_SLEEP is not enabled.

Let's fix the error by removing ifdef CONFIG_PM_SLEEP and tagging the
reset of the PM related functions with __maybe_unused.

Let's also remove the forward declaration for sdhci_omap_context_save(),
that was accidentally left from an earlier version and is no longer used.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
[Ulf: Rebased and fixed build error]
Link: https://lore.kernel.org/r/20211021134352.10135-1-tony@atomide.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-10-21 21:39:50 +02:00
Geert Uytterhoeven
b3e202fa0f mmc: sdhci-omap: Remove forward declaration of sdhci_omap_context_save()
If CONFIG_PM_SLEEP=n:

    drivers/mmc/host/sdhci-omap.c:1213:13: error: ‘sdhci_omap_context_save’ declared ‘static’ but never defined [-Werror=unused-function]
     1213 | static void sdhci_omap_context_save(struct sdhci_omap_host *omap_host);
	  |             ^~~~~~~~~~~~~~~~~~~~~~~

The referenced commit added an unrelated forward declaration of
sdhci_omap_context_save(), which is unneeded in general, and unused when
CONFIG_PM_SLEEP=n.

Fixes: f433e8aac6 ("mmc: sdhci-omap: Implement PM runtime functions")
Reported-by: noreply@ellerman.id.au
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20211020083902.3669769-1-geert@linux-m68k.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-10-21 21:37:36 +02:00
Jens Wiklander
34f3c67b81
optee: smc_abi.c: add missing #include <linux/mm.h>
Adds missing #include <linux/mm.h> drivers/tee/optee/smc_abi.c to fix
compile errors like:
drivers/tee/optee/smc_abi.c:405:15: error: implicit
declaration of function 'page_to_section'
[-Werror,-Wimplicit-function-declaration]
        optee_page = page_to_phys(*pages) +
                     ^
arch/arm/include/asm/memory.h:148:43: note: expanded from
macro 'page_to_phys'
                                               ^
include/asm-generic/memory_model.h:52:21: note: expanded
from macro 'page_to_pfn'
                    ^
include/asm-generic/memory_model.h:35:14: note: expanded
from macro '__page_to_pfn'
        int __sec = page_to_section(__pg);                      \
                    ^
drivers/tee/optee/smc_abi.c:405:15: note: did you mean
'__nr_to_section'?
arch/arm/include/asm/memory.h:148:43: note: expanded from
macro 'page_to_phys'
                                               ^
include/asm-generic/memory_model.h:52:21: note: expanded
from macro 'page_to_pfn'
                    ^
include/asm-generic/memory_model.h:35:14: note: expanded
from macro '__page_to_pfn'
        int __sec = page_to_section(__pg);                      \
                    ^
include/linux/mmzone.h:1365:35: note: '__nr_to_section'
declared here
static inline struct mem_section *__nr_to_section(unsigned long nr)

Fixes: c51a564a5b ("optee: isolate smc abi")
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Link: https://lore.kernel.org/r/20211021125539.3858495-1-jens.wiklander@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-21 21:35:49 +02:00
Dave Airlie
7e1c5440f4 drm-misc-fixes for v5.15-rc7:
- Rebased, to remove vc4 patches.
 - Fix mxsfb crash on unload.
 - Use correct sync parameters for Feixin K101-IM2BYL02.
 - Assorted kmb modeset/atomic fixes.
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Merge tag 'drm-misc-fixes-2021-10-21-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for v5.15-rc7:
- Rebased, to remove vc4 patches.
- Fix mxsfb crash on unload.
- Use correct sync parameters for Feixin K101-IM2BYL02.
- Assorted kmb modeset/atomic fixes.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e66eaf89-b9b9-41f5-d0d2-dad7e59fabb5@linux.intel.com
2021-10-22 05:35:28 +10:00
Arnd Bergmann
bccb5d53e2 Memory controller drivers for v5.16, part two
1. Convert LPDDR2 bindings to dtschema and extend them with new
    properties.
 2. Tegra 20 EMC: support matching timings by LPDDR2 configuration from
    devicetree.
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Merge tag 'memory-controller-drv-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.16, part two

1. Convert LPDDR2 bindings to dtschema and extend them with new
   properties.
2. Tegra 20 EMC: support matching timings by LPDDR2 configuration from
   devicetree.

* tag 'memory-controller-drv-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  memory: tegra20-emc: Add runtime dependency on devfreq governor module
  memory: tegra20-emc: Support matching timings by LPDDR2 configuration
  memory: Add LPDDR2-info helpers
  dt-bindings: memory: tegra20: emc: Document new LPDDR2 sub-node
  dt-bindings: Add vendor prefix for Elpida Memory
  dt-bindings: memory: lpddr2: Document Elpida B8132B2PB-6D-F
  dt-bindings: memory: lpddr2: Add revision-id properties
  dt-bindings: memory: lpddr2: Convert to schema
  dt-bindings: Relocate DDR bindings

Link: https://lore.kernel.org/r/20211021093002.118192-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-21 21:34:21 +02:00
Arnd Bergmann
6fc04eacf1 ASPEED defconfig updates for 5.16
- Add options that are enabled in the common OpenBMC kernel
 
  - Re-enable DRM_FBDEV_EMULATION
 
  - Turn on the various sensor drivers that are used in BMC systems,
  so we can boot test where they are modelled in Qemu
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Merge tag 'aspeed-5.16-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/bmc into arm/defconfigs

ASPEED defconfig updates for 5.16

 - Add options that are enabled in the common OpenBMC kernel

 - Re-enable DRM_FBDEV_EMULATION

 - Turn on the various sensor drivers that are used in BMC systems,
 so we can boot test where they are modelled in Qemu

* tag 'aspeed-5.16-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/bmc:
  ARM: configs: aspeed: Remove unused USB gadget devices
  ARM: config: aspeed: Enable Network Block Device
  ARM: configs: aspeed: Enable pstore and lockup detectors
  ARM: configs: aspeed: Enable commonly used drivers
  ARM: configs: aspeed: Disable IPV6 SIT device
  ARM: configs: aspeed_g5: Reneable DRM_FBDEV_EMULATION

Link: https://lore.kernel.org/r/CACPK8Xd0mVn2Cy7d=VBTDMpU=WHrftsiihwH224ekFSDGKAbyA@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-21 21:30:56 +02:00