Commit Graph

1351140 Commits

Author SHA1 Message Date
Frank Li
6f3287eae4 arm64: dts: imx8dxl-ss-hsio: correct irq number for imx8dxl
i.MX8DXL use difference irq number for PCIe EP DMA.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 11:12:51 +08:00
Frank Li
06d9879c10 arm64: dts: imx8: create unified pcie0 and pcie0_ep label for all chips
Add unified pcie<n> and pcie<n>_ep label for existed chipes to prepare
applied one overay file to enable EP function.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 11:12:50 +08:00
Max Krummenacher
e2cfc140ae arm64: dts: imx8-apalis: Add PCIe and SATA support
The needed drivers to support PCIe and SATA for i.MX 8QM have been
added.
Configure them for the Apalis iMX8 SoM.

The pciea and pcieb blocks each get a single PCIe lane, pciea is
available on the carrier boards while pcieb is connected to the
on module Wi-Fi/BT module.
The SATA lane is available on the carrier boards.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 11:02:53 +08:00
Markus Niebel
e05fae71e6 Revert "arm64: dts: imx93-tqma9352-mba93xxla: enable Open Drain for MDIO"
Using the MDIO pins with Open Drain causes spec violations of the
signals. Revert the changes.

This reverts commit 315d7f301e.

Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:13:25 +08:00
Markus Niebel
14e66e4b13 Revert "arm64: dts: imx93-tqma9352-mba93xxca: enable Open Drain for MDIO"
Using the MDIO pins with Open Drain causes spec violations of the
signals. Revert the changes.

This reverts commit 9015397c2f.

Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:13:25 +08:00
Adam Ford
8dd0e8a496 arm64: dts: imx8mp-beacon: Enable RTC interrupt and wakeup-source
Enable the interrupts and wakeup-source to allow the external RTC to be
used as an alarm.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:05 +08:00
Adam Ford
12cc5a3898 arm64: dts: imx8mn-beacon: Enable RTC interrupt and wakeup-source
Enable the interrupts and wakeup-source to allow the external RTC to be
used as an alarm.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:05 +08:00
Adam Ford
2cb333ddd6 arm64: dts: imx8mm-beacon: Enable RTC interrupt and wakeup-source
Enable the interrupts and wakeup-source to allow the external RTC to be
used as an alarm.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:04 +08:00
Adam Ford
b08fc2f0fd arm64: dts: imx8mn-beacon: Configure Ethernet PHY reset and GPIO IRQ
The Ethernet PHY setup currently assumes that the bootloader will take the
PHY out of reset, but this behavior is not guaranteed across all
bootloaders. Add the reset GPIO to ensure the kernel can properly control
the PHY reset line.

Also configure the PHY IRQ GPIO to enable interrupt-driven link status
reporting, instead of relying on polling.

This ensures more reliable Ethernet initialization and improves PHY event
handling.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:04 +08:00
Adam Ford
1c98ceb0d7 arm64: dts: imx8mm-beacon: Configure Ethernet PHY reset and GPIO IRQ
The Ethernet PHY setup currently assumes that the bootloader will take the
PHY out of reset, but this behavior is not guaranteed across all
bootloaders. Add the reset GPIO to ensure the kernel can properly control
the PHY reset line.

Also configure the PHY IRQ GPIO to enable interrupt-driven link status
reporting, instead of relying on polling.

This ensures more reliable Ethernet initialization and improves PHY event
handling.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:04 +08:00
Adam Ford
a747c4dd2a arm64: dts: imx8mn-beacon: Set SAI5 MCLK direction to output for HDMI audio
The HDMI bridge chip fails to generate an audio source due to the SAI5
master clock (MCLK) direction not being set to output. This prevents proper
clocking of the HDMI audio interface.

Add the `fsl,sai-mclk-direction-output` property to the SAI5 node to ensure
the MCLK is driven by the SoC, resolving the HDMI sound issue.

Fixes: 1d6880ceef ("arm64: dts: imx8mn-beacon: Add HDMI video with sound")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:04 +08:00
Adam Ford
8c716f80df arm64: dts: imx8mm-beacon: Set SAI5 MCLK direction to output for HDMI audio
The HDMI bridge chip fails to generate an audio source due to the SAI5
master clock (MCLK) direction not being set to output. This prevents proper
clocking of the HDMI audio interface.

Add the `fsl,sai-mclk-direction-output` property to the SAI5 node to ensure
the MCLK is driven by the SoC, resolving the HDMI sound issue.

Fixes: 8ad7d14d99 ("arm64: dts: imx8mm-beacon: Add HDMI video with sound")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:04 +08:00
Adam Ford
6821ee1753 arm64: dts: imx8mp-beacon: Fix RTC capacitive load
Although not noticeable when used every day, the RTC appears to drift when
left to sit over time.  This is due to the capacitive load not being
properly set. Fix RTC drift by correcting the capacitive load setting
from 7000 to 12500, which matches the actual hardware configuration.

Fixes: 25a5ccdce7 ("arm64: dts: freescale: Introduce imx8mp-beacon-kit")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:03 +08:00
Adam Ford
c3f03bec30 arm64: dts: imx8mn-beacon: Fix RTC capacitive load
Although not noticeable when used every day, the RTC appears to drift when
left to sit over time.  This is due to the capacitive load not being
properly set. Fix RTC drift by correcting the capacitive load setting
from 7000 to 12500, which matches the actual hardware configuration.

Fixes: 36ca3c8ccb ("arm64: dts: imx: Add Beacon i.MX8M Nano development kit")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:03 +08:00
Adam Ford
2e98d45666 arm64: dts: imx8mm-beacon: Fix RTC capacitive load
Although not noticeable when used every day, the RTC appears to drift when
left to sit over time.  This is due to the capacitive load not being
properly set. Fix RTC drift by correcting the capacitive load setting
from 7000 to 12500, which matches the actual hardware configuration.

Fixes: 593816fa2f ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:05:03 +08:00
Markus Niebel
e5bc07026f arm64: add initial device tree for TQMa93xx/MBa91xxCA
This adds support for TQMa93xx module attached to MBa91xxCA board.
TQMa93xx is a SOM using i.MX93 SOC. The SOM features PMIC, RAM, e-MMC and
some optional peripherals like SPI-NOR, RTC, EEPROM, gyroscope and
secure element.
TQMa93xxCA can be attached directly while TQMa93xxLA needs an adapter.

Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 10:02:45 +08:00
Vitor Soares
97dc91c045 arm64: dts: freescale: add Toradex SMARC iMX8MP
Add DT support for Toradex SMARC iMX8MP SoM and Toradex SMARC Development
carrier board.

Link: https://www.toradex.com/computer-on-modules/smarc-arm-family/nxp-imx-8m-plus
Link: https://www.toradex.com/products/carrier-board/smarc-development-board-kit
Co-developed-by: Hiago De Franco <hiago.franco@toradex.com>
Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Signed-off-by: Vitor Soares <vitor.soares@toradex.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 09:53:49 +08:00
Ciprian Marian Costea
eb0aadf0bd arm64: dts: s32gxxxa-rdb: Add PCA85073A RTC module over I2C0
Add support for the PCA85073A RTC module connected via I2C0 on
S32G274A-RDB2 and S32G399A-RDB3 boards.

Note that the PCA85073A RTC module is not battery backed.

Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 09:32:59 +08:00
Xu Yang
a5b22b72e9 arm64: dts: imx95-15x15-evk: enable USB2.0 node
On this board, USB2.0 is a host-only port, add vbus regulator node
and enable USB2.0 node.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 09:17:05 +08:00
Xu Yang
c735865557 arm64: dts: imx95-19x19-evk: enable USB2.0 node
On this board, USB2.0 is a host-only port, add vbus regulator node
and enable USB2.0 node.

Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 09:17:04 +08:00
Xu Yang
b6bf37e40c arm64: dts: imx95: add USB2.0 nodes
Add USB2.0 controller and phy nodes.

Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> # TQMa95xxSA
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 09:17:04 +08:00
Martyn Welch
ab4d874c9f arm64: dts: imx8mp: Add device tree for Nitrogen8M Plus ENC Carrier Board
Add support for Boundary Devices/Ezurio Nitrogen8M Plus ENC Carrier
Board and it's SOM. Supported interfaces:

 - Serial Console
 - EQoS Ethernet
 - USB
 - eMMC
 - HDMI

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-25 08:36:43 +08:00
Francesco Dolcini
ac1c1d2e21 arm64: dts: freescale: imx8mm-verdin: Add EEPROM compatible fallback
According to the AT24 EEPROM bindings the compatible string should
contain first the actual manufacturer, and second the corresponding
atmel model.

Add the atmel compatible fallback accordingly.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-23 18:09:56 +08:00
Francesco Dolcini
4e13da7c73 arm64: dts: freescale: imx8mp-verdin: Add EEPROM compatible fallback
According to the AT24 EEPROM bindings the compatible string should
contain first the actual manufacturer, and second the corresponding
atmel model.

Add the atmel compatible fallback accordingly.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-23 18:09:56 +08:00
Rob Herring (Arm)
42b2ac9f1b arm64: dts: imx: Drop redundant CPU "clock-latency"
The "clock-latency" property is part of the deprecated opp-v1 binding
and is redundant if the opp-v2 table has equal or larger values in any
"clock-latency-ns". The OPP tables have values of 150000, so it can be
removed.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-23 17:30:47 +08:00
Frank Li
c197f323ed arm64: dts: imx8qm-mek: consolidate reserved-memory
Move dsp_vdev* to under existed reserved-memory node to consolidate all
reserved-memory together.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-23 16:55:18 +08:00
Daniel Baluta
68770d8881 arm64: dts: imx8mp-evk: Enable DSP node for remoteproc usage
Enable all relevant nodes to support remoteproc with imx8mp-evk board.
	- add rproc specific memory regions
	- enable dsp_reserved node
	- enable mu2 node
	- enable dsp node

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 11:00:54 +08:00
Daniel Baluta
ebccbe8d43 arm64: dts: imx8mp: Add DSP clocks
DSP core needs ocram, core and debug clocks.

Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 11:00:09 +08:00
Daniel Baluta
f048f2126f arm64: dts: imx8mp: Configure dsp node for rproc usage
DSP can be used with various frameworks (e.g audio firmware, rproc).
Currently 'dsp' configuration is intended for audio firmware but it
doesn't work well with board level DTs (e.g imx8mp-evk) because
board level DT enables audio related IPs (e.g SAI) while audio firmware
needs this IPs disabled (because firmware will configure them).

So, configure 'dsp' node to be used with rproc. This way users will be
able to use board DT to use the DSP as long as they don't clash with
Audio IP configurations.

More comples usage of 'dsp' node (e.g by audio firmware) will need to
create a separate dts file (or an overlay).

This change follows the approach taken for other i.MX8 boards
in commit 391a319c81 ("arm64: dts: imx8-ss-audio: configure dsp node
for rproc usage")

Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 11:00:08 +08:00
Daniel Baluta
caa2ee72e0 arm64: dts: imx8mp: Add mu2 root clock
Enable MU2 node and add mu2 root clock.
MU2 is used to communicate with DSP core.

Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 11:00:08 +08:00
Daniel Baluta
adcf4a5216 arm64: dts: imx8mp: Use resets property
Add resets property to dsp node in order to be able to control the dsp
run/stall bit from audio block control.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 11:00:08 +08:00
Laurentiu Mihalcea
9f0928ea72 arm64: dts: imx: add imx95 dts for sof
Add imx95 DTS for SOF usage.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 10:11:33 +08:00
Richard Zhu
0005617c5e arm64: dts: imx8mq: Add linux,pci-domain into pcie-ep node
Add linux,pci-domain into pcie-ep node of i.MX8MQ.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 09:47:32 +08:00
Andrej Picej
7ed7d1ed85 arm64: dts: imx8mm-phyboard-polis-peb-av-10: Set lvds-vod-swing
Set custom differential output voltage for LVDS, to fulfill requirements
of the connected display. LVDS differential voltage for data-lanes and
clock output has to be between 200 mV and 600 mV.
Driver sets 200 Ohm near-end termination by default.

Signed-off-by: Andrej Picej <andrej.picej@norik.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2025-04-22 09:23:27 +08:00
Linus Torvalds
0af2f6be1b Linux 6.15-rc1 2025-04-06 13:11:33 -07:00
Thomas Weißschuh
0efdedb335 tools/include: make uapi/linux/types.h usable from assembly
The "real" linux/types.h UAPI header gracefully degrades to a NOOP when
included from assembly code.

Mirror this behaviour in the tools/ variant.

Test for __ASSEMBLER__ over __ASSEMBLY__ as the former is provided by the
toolchain automatically.

Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/lkml/af553c62-ca2f-4956-932c-dd6e3a126f58@sirena.org.uk/
Fixes: c9fbaa8795 ("selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headers")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://patch.msgid.link/20250321-uapi-consistency-v1-1-439070118dc0@linutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2025-04-06 12:55:31 -07:00
Linus Torvalds
710329254d Turbostat 2025.05.06
Support up to 8192 processors
 Add cpuidle governor debug telemetry, disabled by default
 Update default output to exclude cpuidle invocation counts
 Bug fixes
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Merge tag 'turbostat-2025.05.06' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pull turbostat updates from Len Brown:

 - support up to 8192 processors

 - add cpuidle governor debug telemetry, disabled by default

 - update default output to exclude cpuidle invocation counts

 - bug fixes

* tag 'turbostat-2025.05.06' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: v2025.05.06
  tools/power turbostat: disable "cpuidle" invocation counters, by default
  tools/power turbostat: re-factor sysfs code
  tools/power turbostat: Restore GFX sysfs fflush() call
  tools/power turbostat: Document GNR UncMHz domain convention
  tools/power turbostat: report CoreThr per measurement interval
  tools/power turbostat: Increase CPU_SUBSET_MAXCPUS to 8192
  tools/power turbostat: Add idle governor statistics reporting
  tools/power turbostat: Fix names matching
  tools/power turbostat: Allow Zero return value for some RAPL registers
  tools/power turbostat: Clustered Uncore MHz counters should honor show/hide options
2025-04-06 12:32:43 -07:00
Linus Torvalds
59f392fa7c soundwire fix for 6.15-rc1
- Fix to add missing config symbol CONFIG_SND_HDA_EXT_CORE required for
    asoc driver CONFIG_SND_SOF_SOF_HDA_SDW_BPT
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Merge tag 'soundwire-6.15-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire fix from Vinod Koul:

 - add missing config symbol CONFIG_SND_HDA_EXT_CORE required for asoc
   driver CONFIG_SND_SOF_SOF_HDA_SDW_BPT

* tag 'soundwire-6.15-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  ASoC: SOF: Intel: Let SND_SOF_SOF_HDA_SDW_BPT select SND_HDA_EXT_CORE
2025-04-06 12:04:53 -07:00
Len Brown
03e00e373c tools/power turbostat: v2025.05.06
Support up to 8192 processors
Add cpuidle governor debug telemetry, disabled by default
Update default output to exclude cpuidle invocation counts
Bug fixes

Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06 14:49:20 -04:00
Len Brown
ec4acd3166 tools/power turbostat: disable "cpuidle" invocation counters, by default
Create "pct_idle" counter group, the sofware notion of residency
so it can now be singled out, independent of other counter groups.

Create "cpuidle" group, the cpuidle invocation counts.
Disable "cpuidle", by default.

Create "swidle" = "cpuidle" + "pct_idle".
Undocument "sysfs", the old name for "swidle", but keep it working
for backwards compatibilty.

Create "hwidle", all the HW idle counters

Modify "idle", enabled by default
"idle" = "hwidle" + "pct_idle" (and now excludes "cpuidle")

Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06 14:29:57 -04:00
Linus Torvalds
dda8887894 Fix a perf events time accounting bug.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf event fix from Ingo Molnar:
 "Fix a perf events time accounting bug"

* tag 'perf-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Fix child_total_time_enabled accounting bug at task exit
2025-04-06 10:48:12 -07:00
Linus Torvalds
302deb109d Miscellaneous scheduler fixes/updates:
- Fix a nonsensical Kconfig combination
  - Remove an unnecessary rseq-notification
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:

 - Fix a nonsensical Kconfig combination

 - Remove an unnecessary rseq-notification

* tag 'sched-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rseq: Eliminate useless task_work on execve
  sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP
2025-04-06 10:44:58 -07:00
Linus Torvalds
6f110a5e4f Disable SLUB_TINY for build testing
... and don't error out so hard on missing module descriptions.

Before commit 6c6c1fc09d ("modpost: require a MODULE_DESCRIPTION()")
we used to warn about missing module descriptions, but only when
building with extra warnigns (ie 'W=1').

After that commit the warning became an unconditional hard error.

And it turns out not all modules have been converted despite the claims
to the contrary.  As reported by Damian Tometzki, the slub KUnit test
didn't have a module description, and apparently nobody ever really
noticed.

The reason nobody noticed seems to be that the slub KUnit tests get
disabled by SLUB_TINY, which also ends up disabling a lot of other code,
both in tests and in slub itself.  And so anybody doing full build tests
didn't actually see this failre.

So let's disable SLUB_TINY for build-only tests, since it clearly ends
up limiting build coverage.  Also turn the missing module descriptions
error back into a warning, but let's keep it around for non-'W=1'
builds.

Reported-by: Damian Tometzki <damian@riscv-rocks.de>
Link: https://lore.kernel.org/all/01070196099fd059-e8463438-7b1b-4ec8-816d-173874be9966-000000@eu-central-1.amazonses.com/
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Fixes: 6c6c1fc09d ("modpost: require a MODULE_DESCRIPTION()")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2025-04-06 10:00:04 -07:00
Len Brown
994633894f tools/power turbostat: re-factor sysfs code
Probe cpuidle "sysfs" residency and counts separately,
since soon we will make one disabled on, and the
other disabled off.

Clarify that some BIC (build-in-counters) are actually "groups".
since we're about to re-name some of those groups.

no functional change.

Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06 12:53:18 -04:00
Zhang Rui
f8b136ef26 tools/power turbostat: Restore GFX sysfs fflush() call
Do fflush() to discard the buffered data, before each read of the
graphics sysfs knobs.

Fixes: ba99a4fc8c ("tools/power turbostat: Remove unnecessary fflush() call")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06 12:36:03 -04:00
Len Brown
3ae8508663 tools/power turbostat: Document GNR UncMHz domain convention
Document that on Intel Granite Rapids Systems,
Uncore domains 0-2 are CPU domains, and
uncore domains 3-4 are IO domains.

Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06 12:31:59 -04:00
Len Brown
f729775f79 tools/power turbostat: report CoreThr per measurement interval
The CoreThr column displays total thermal throttling events
since boot time.

Change it to report events during the measurement interval.

This is more useful for showing a user the current conditions.
Total events since boot time are still available to the user via
/sys/devices/system/cpu/cpu*/thermal_throttle/*

Document CoreThr on turbostat.8

Fixes: eae97e053f ("turbostat: Support thermal throttle count print")
Reported-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Chen Yu <yu.c.chen@intel.com>
2025-04-06 12:21:25 -04:00
Justin Ernst
eb187540d1 tools/power turbostat: Increase CPU_SUBSET_MAXCPUS to 8192
On systems with >= 1024 cpus (in my case 1152), turbostat fails with the error output:
	"turbostat: /sys/fs/cgroup/cpuset.cpus.effective: cpu str malformat 0-1151"

A similar error appears with the use of turbostat --cpu when the inputted cpu
range contains a cpu number >= 1024:
	# turbostat -c 1100-1151
	"--cpu 1100-1151" malformed
	...

Both errors are caused by parse_cpu_str() reaching its limit of CPU_SUBSET_MAXCPUS.

It's a good idea to limit the maximum cpu number being parsed, but 1024 is too low.
For a small increase in compute and allocated memory, increasing CPU_SUBSET_MAXCPUS
brings support for parsing cpu numbers >= 1024.

Increase CPU_SUBSET_MAXCPUS to 8192, a common setting for CONFIG_NR_CPUS on x86_64.

Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06 12:14:14 -04:00
Linus Torvalds
16cd1c2657 A set of final cleanups for the timer subsystem:
1) Convert all del_timer[_sync]() instances over to the new
      timer_delete[_sync]() API and remove the legacy wrappers.
 
      Conversion was done with coccinelle plus some manual fixups as
      coccinelle chokes on scoped_guard().
 
   2) The final cleanup of the hrtimer_init() to hrtimer_setup() conversion.
 
      This has been delayed to the end of the merge window, so that all
      patches which have been merged through other trees are in mainline and
      all new users are catched.
 
 Doing this right before rc1 ensures that new code which is merged post rc1
 is not introducing new instances of the original functionality.
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Merge tag 'timers-cleanups-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer cleanups from Thomas Gleixner:
 "A set of final cleanups for the timer subsystem:

   - Convert all del_timer[_sync]() instances over to the new
     timer_delete[_sync]() API and remove the legacy wrappers.

     Conversion was done with coccinelle plus some manual fixups as
     coccinelle chokes on scoped_guard().

   - The final cleanup of the hrtimer_init() to hrtimer_setup()
     conversion.

     This has been delayed to the end of the merge window, so that all
     patches which have been merged through other trees are in mainline
     and all new users are catched.

  Doing this right before rc1 ensures that new code which is merged post
  rc1 is not introducing new instances of the original functionality"

* tag 'timers-cleanups-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tracing/timers: Rename the hrtimer_init event to hrtimer_setup
  hrtimers: Rename debug_init_on_stack() to debug_setup_on_stack()
  hrtimers: Rename debug_init() to debug_setup()
  hrtimers: Rename __hrtimer_init_sleeper() to __hrtimer_setup_sleeper()
  hrtimers: Remove unnecessary NULL check in hrtimer_start_range_ns()
  hrtimers: Make callback function pointer private
  hrtimers: Merge __hrtimer_init() into __hrtimer_setup()
  hrtimers: Switch to use __htimer_setup()
  hrtimers: Delete hrtimer_init()
  treewide: Convert new and leftover hrtimer_init() users
  treewide: Switch/rename to timer_delete[_sync]()
2025-04-06 08:35:37 -07:00
Linus Torvalds
ff0c66685d A set of updates for the interrupt subsystem:
1) A treewide cleanup for the irq_domain code, which makes the naming
      consistent and gets rid of the original oddity of naming domains
      'host'.
 
      This is a trivial mechanical change and is done late to ensure that
      all instances have been catched and new code merged post rc1 wont
      reintroduce new instances.
 
   2) A trivial consistency fix in the migration code
 
      The recent introduction of irq_force_complete_move() in the core
      code, causes a problem for the nostalgia crowd who maintains ia64 out
      of tree.
 
      The code assumes that hierarchical interrupt domains are enabled and
      dereferences irq_data::parent_data unconditionally. That works in mainline
      because both architectures which enable that code have hierarchical domains
      enabled. Though it breaks the ia64 build, which enables the functionality,
      but does not have hierarchical domains.
 
      While it's not really a problem for mainline today, this
      unconditional dereference is inconsistent and trivially fixable by
      using the existing helper function irqd_get_parent_data(), which has
      the appropriate #ifdeffery in place.
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Merge tag 'irq-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull more irq updates from Thomas Gleixner:
 "A set of updates for the interrupt subsystem:

   - A treewide cleanup for the irq_domain code, which makes the naming
     consistent and gets rid of the original oddity of naming domains
     'host'.

     This is a trivial mechanical change and is done late to ensure that
     all instances have been catched and new code merged post rc1 wont
     reintroduce new instances.

   - A trivial consistency fix in the migration code

     The recent introduction of irq_force_complete_move() in the core
     code, causes a problem for the nostalgia crowd who maintains ia64
     out of tree.

     The code assumes that hierarchical interrupt domains are enabled
     and dereferences irq_data::parent_data unconditionally. That works
     in mainline because both architectures which enable that code have
     hierarchical domains enabled. Though it breaks the ia64 build,
     which enables the functionality, but does not have hierarchical
     domains.

     While it's not really a problem for mainline today, this
     unconditional dereference is inconsistent and trivially fixable by
     using the existing helper function irqd_get_parent_data(), which
     has the appropriate #ifdeffery in place"

* tag 'irq-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/migration: Use irqd_get_parent_data() in irq_force_complete_move()
  irqdomain: Stop using 'host' for domain
  irqdomain: Rename irq_get_default_host() to irq_get_default_domain()
  irqdomain: Rename irq_set_default_host() to irq_set_default_domain()
2025-04-06 08:17:43 -07:00