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linux/drivers/cpufreq
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Nícolas F. R. A. Prado 788715b5f2 cpufreq: mediatek-hw: Wait for CPU supplies before probing 
Before proceeding with the probe and enabling frequency scaling for the
CPUs, make sure that all supplies feeding the CPUs have probed.

This fixes an issue observed on MT8195-Tomato where if the
mediatek-cpufreq-hw driver enabled the hardware (by writing to
REG_FREQ_ENABLE) before the SPMI controller driver (spmi-mtk-pmif),
behind which lies the big CPU supply, probed the platform would hang
shortly after with "rcu: INFO: rcu_preempt detected stalls on
CPUs/tasks" being printed in the log.

Fixes: 4855e26bcf4d ("cpufreq: mediatek-hw: Add support for CPUFREQ HW")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2024-01-23 11:39:14 +05:30
..
acpi-cpufreq.c
cpufreq: acpi: Convert to platform remove callback returning void
2023-07-20 16:02:13 +05:30
amd_freq_sensitivity.c
cpufreq: amd_freq_sensitivity: Add missing pci_dev_put()
2022-11-30 19:50:04 +01:00
amd-pstate-trace.c
cpufreq: amd-pstate: Add trace for AMD P-State module
2021-12-30 18:51:39 +01:00
amd-pstate-trace.h
cpufreq: amd-pstate: Add more tracepoint for AMD P-State module
2022-03-09 19:53:01 +01:00
amd-pstate-ut.c
ARM cpufreq updates for 6.6
2023-08-28 14:12:05 +02:00
amd-pstate.c
cpufreq/amd-pstate: Only print supported EPP values for performance governor
2023-11-29 22:04:15 +01:00
apple-soc-cpufreq.c
cpufreq: apple-soc: Fix an IS_ERR() vs NULL check
2023-03-01 19:34:54 +01:00
armada-8k-cpufreq.c
cpufreq: armada-8k: Fix parameter type warning
2023-12-18 11:22:57 +05:30
armada-37xx-cpufreq.c
cpufreq: Explicitly include correct DT includes
2023-07-20 16:01:57 +05:30
bmips-cpufreq.c
cpufreq: bmips-cpufreq: Use module_init and add module_exit
2022-08-30 13:49:23 +05:30
brcmstb-avs-cpufreq.c
cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value
2024-01-23 11:37:14 +05:30
cppc_cpufreq.c
cpufreq/cppc: Move and rename cppc_cpufreq_{perf_to_khz|khz_to_perf}()
2023-12-23 15:52:35 +01:00
cpufreq_conservative.c
cpufreq: conservative: Simplify the condition of storing 'down_threshold'
2023-10-06 21:55:13 +02:00
cpufreq_governor_attr_set.c
cpufreq: Move to_gov_attr_set() to cpufreq.h
2022-02-04 19:22:34 +01:00
cpufreq_governor.c
cpufreq: governor: Free dbs_data directly when gov->init() fails
2023-08-29 20:21:35 +02:00
cpufreq_governor.h
cpufreq: governor: Use kobject release() method to free dbs_data
2022-04-13 15:22:41 +02:00
cpufreq_ondemand.c
cpufreq: ondemand: Use cpumask_var_t for on-stack cpu mask
2022-07-25 20:38:01 +02:00
cpufreq_ondemand.h
…
cpufreq_performance.c
cpufreq: Introduce CPUFREQ_GOV_STRICT_TARGET
2020-11-10 18:31:17 +01:00
cpufreq_powersave.c
cpufreq: Introduce CPUFREQ_GOV_STRICT_TARGET
2020-11-10 18:31:17 +01:00
cpufreq_stats.c
cpufreq: stats: Fix buffer overflow detection in trans_stats()
2023-10-24 22:02:06 +02:00
cpufreq_userspace.c
cpufreq: userspace: Move is_managed indicator into per-policy structure
2023-10-06 22:01:26 +02:00
cpufreq-dt-platdev.c
cpufreq: qcom-nvmem: Introduce cpufreq for ipq95xx
2023-11-02 11:04:53 +05:30
cpufreq-dt.c
cpufreq: dt: Convert to platform remove callback returning void
2023-07-20 16:02:12 +05:30
cpufreq-dt.h
…
cpufreq-nforce2.c
…
cpufreq.c
cpufreq: Use the fixed and coherent frequency for scaling capacity
2023-12-23 15:52:34 +01:00
davinci-cpufreq.c
cpufreq: davinci: Convert to platform remove callback returning void
2023-07-20 16:02:13 +05:30
e_powersaver.c
cpufreq: e_powersaver: remove unreachable break
2020-10-27 18:42:54 +01:00
elanfreq.c
…
freq_table.c
Updates for 6.4
2023-04-20 19:30:01 +02:00
gx-suspmod.c
…
highbank-cpufreq.c
cpufreq: Add __init annotation to module init funcs
2022-09-26 11:15:04 +05:30
imx6q-cpufreq.c
cpufreq: imx6: use regmap to read ocotp register
2024-01-23 11:36:21 +05:30
imx-cpufreq-dt.c
cpufreq: imx-cpufreq-dt: Convert to platform remove callback returning void
2023-07-20 16:02:13 +05:30
intel_pstate.c
cpufreq: intel_pstate: Update hybrid scaling factor for Meteor Lake
2024-01-10 15:02:25 +01:00
Kconfig
arch: Remove Itanium (IA-64) architecture
2023-09-11 08:13:17 +00:00
Kconfig.arm
cpufreq: arm: Kconfig: Add i.MX7 to supported SoC for ARM_IMX_CPUFREQ_DT
2023-10-25 15:51:21 +05:30
Kconfig.powerpc
…
Kconfig.x86
cpufreq: amd-pstate: Add a kernel config option to set default mode
2023-06-21 18:44:56 +02:00
kirkwood-cpufreq.c
cpufreq: kirkwood: Convert to platform remove callback returning void
2023-07-20 16:02:13 +05:30
longhaul.c
cpufreq: longhaul: Make array speeds static const
2022-11-03 19:13:34 +01:00
longhaul.h
…
longrun.c
…
loongson2_cpufreq.c
cpufreq: loongson2: Remove unused linux/sched.h headers
2021-06-07 17:43:52 +02:00
Makefile
arch: Remove Itanium (IA-64) architecture
2023-09-11 08:13:17 +00:00
maple-cpufreq.c
cpufreq: Adjust includes to remove of_device.h
2023-04-13 17:46:35 -05:00
mediatek-cpufreq-hw.c
cpufreq: mediatek-hw: Wait for CPU supplies before probing
2024-01-23 11:39:14 +05:30
mediatek-cpufreq.c
cpufreq: mediatek-hw: Remove unused define
2023-08-11 06:15:21 +05:30
mvebu-cpufreq.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 2)
2022-06-10 14:51:35 +02:00
omap-cpufreq.c
cpufreq: omap: Convert to platform remove callback returning void
2023-07-20 16:02:14 +05:30
p4-clockmod.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pasemi-cpufreq.c
cpufreq: Prepare cleanup of powerpc's asm/prom.h
2022-04-13 17:18:45 +02:00
pcc-cpufreq.c
cpufreq: pcc: Fix the potentinal scheduling delays in target_index()
2023-08-29 20:41:29 +02:00
pmac32-cpufreq.c
cpufreq: pmac32: Use of_property_read_reg() to parse "reg"
2023-09-27 16:47:09 +05:30
pmac64-cpufreq.c
cpufreq: Adjust includes to remove of_device.h
2023-04-13 17:46:35 -05:00
powernow-k6.c
…
powernow-k7.c
…
powernow-k7.h
…
powernow-k8.c
cpufreq: powernow-k8: Use related_cpus instead of cpus in driver.exit()
2023-08-28 12:27:30 +05:30
powernow-k8.h
…
powernv-cpufreq.c
cpufreq: Introducing CPUFREQ_RELATION_E
2021-10-05 16:33:05 +02:00
ppc_cbe_cpufreq_pervasive.c
…
ppc_cbe_cpufreq_pmi.c
cpufreq: Explicitly include correct DT includes
2023-07-20 16:01:57 +05:30
ppc_cbe_cpufreq.c
cpufreq: Explicitly include correct DT includes
2023-07-20 16:01:57 +05:30
ppc_cbe_cpufreq.h
…
pxa2xx-cpufreq.c
cpufreq: pxa3: move clk register access to clk driver
2022-05-07 22:55:49 +02:00
pxa3xx-cpufreq.c
cpufreq: pxa3: move clk register access to clk driver
2022-05-07 22:55:49 +02:00
qcom-cpufreq-hw.c
cpufreq: qcom-cpufreq-hw: add support for 4 freq domains
2023-08-23 20:31:08 +05:30
qcom-cpufreq-nvmem.c
cpufreq: qcom-nvmem: Preserve PM domain votes in system suspend
2023-11-23 13:08:01 +05:30
qoriq-cpufreq.c
cpufreq: qoriq: Convert to platform remove callback returning void
2023-07-20 16:02:13 +05:30
raspberrypi-cpufreq.c
cpufreq: raspberrypi: Convert to platform remove callback returning void
2023-07-20 16:02:13 +05:30
s3c64xx-cpufreq.c
…
s5pv210-cpufreq.c
cpufreq: Introducing CPUFREQ_RELATION_E
2021-10-05 16:33:05 +02:00
sa1110-cpufreq.c
ARM: sa1100: remove unused board files
2023-01-12 10:53:12 +01:00
sc520_freq.c
cpufreq: sc520_freq: add 'fallthrough' to one case
2021-05-21 18:52:13 +02:00
scmi-cpufreq.c
cpufreq: scmi: process the result of devm_of_clk_add_hw_provider()
2023-12-06 11:40:11 +05:30
scpi-cpufreq.c
cpufreq: scpi: Convert to platform remove callback returning void
2023-07-20 16:02:12 +05:30
sh-cpufreq.c
cpufreq: sh: Remove sh_cpufreq_cpu_ready()
2021-09-02 18:04:17 +02:00
sparc-us2e-cpufreq.c
cpufreq: sparc: Don't mark cpufreq callbacks with __init
2023-07-12 12:45:18 +02:00
sparc-us3-cpufreq.c
cpufreq: sparc: Don't mark cpufreq callbacks with __init
2023-07-12 12:45:18 +02:00
spear-cpufreq.c
cpufreq: Adjust includes to remove of_device.h
2023-04-13 17:46:35 -05:00
speedstep-centrino.c
…
speedstep-ich.c
…
speedstep-lib.c
cpufreq: speedstep: remove unneeded semicolon
2020-10-28 18:04:07 +01:00
speedstep-lib.h
…
speedstep-smi.c
…
sti-cpufreq.c
cpufreq: Explicitly include correct DT includes
2023-07-20 16:01:57 +05:30
sun50i-cpufreq-nvmem.c
cpufreq: sun50i: Convert to platform remove callback returning void
2023-07-20 16:02:12 +05:30
tegra20-cpufreq.c
Devicetree updates for v6.4, part 2:
2023-04-27 10:09:05 -07:00
tegra124-cpufreq.c
Devicetree updates for v6.4, part 2:
2023-04-27 10:09:05 -07:00
tegra186-cpufreq.c
cpufreq: tegra186: Convert to platform remove callback returning void
2023-07-20 16:02:13 +05:30
tegra194-cpufreq.c
cpufreq: tegra194: remove redundant AND with cpu_online_mask
2023-10-10 11:06:03 +05:30
ti-cpufreq.c
cpufreq: ti-cpufreq: Add opp support for am62p5 SoCs
2023-10-12 09:10:22 +05:30
vexpress-spc-cpufreq.c
cpufreq: vexpress: Convert to platform remove callback returning void
2023-07-20 16:02:12 +05:30