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e2b32b0c5f
linux/drivers/cpufreq
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Tero Kristo e2b32b0c5f cpufreq: intel_pstate: Fix energy_performance_preference for passive 
[ Upstream commit 03f44ffb3d ]

If the intel_pstate driver is set to passive mode, then writing the
same value to the energy_performance_preference sysfs twice will fail.
This is caused by the wrong return value used (index of the matched
energy_perf_string), instead of the length of the passed in parameter.
Fix by forcing the internal return value to zero when the same
preference is passed in by user. This same issue is not present when
active mode is used for the driver.

Fixes: f6ebbcf08f ("cpufreq: intel_pstate: Implement passive mode with HWP enabled")
Reported-by: Niklas Neronin <niklas.neronin@intel.com>
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-23 13:46:46 +02:00
..
acpi-cpufreq.c cpufreq: acpi: Remove acpi_cpufreq_cpu_ready() 2021-09-02 18:04:17 +02:00
amd_freq_sensitivity.c cpufreq: amd_freq_sensitivity: Add missing pci_dev_put() 2022-12-31 13:14:03 +01:00
armada-8k-cpufreq.c cpufreq: ap806: Add missing MODULE_DEVICE_TABLE 2020-12-07 13:02:37 +05:30
armada-37xx-cpufreq.c cpufreq: armada-37xx: stop using 0 as NULL pointer 2023-02-01 08:27:17 +01:00
bmips-cpufreq.c cpufreq: Make cpufreq_generic_init() return void 2019-07-16 10:20:11 +02:00
brcmstb-avs-cpufreq.c cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove() 2021-01-18 12:23:43 +05:30
cppc_cpufreq.c cpufreq: CPPC: Fix performance/frequency conversion 2022-04-13 20:59:11 +02:00
cpufreq_conservative.c cpufreq: Register governors at core_initcall 2020-07-02 13:03:30 +02:00
cpufreq_governor_attr_set.c cpufreq: Move to_gov_attr_set() to cpufreq.h 2023-02-01 08:27:29 +01:00
cpufreq_governor.c cpufreq: governor: Use kobject release() method to free dbs_data 2023-02-01 08:27:29 +01:00
cpufreq_governor.h cpufreq: governor: Use kobject release() method to free dbs_data 2023-02-01 08:27:29 +01:00
cpufreq_ondemand.c cpufreq: Replace deprecated CPU-hotplug functions 2021-08-04 20:16:32 +02:00
cpufreq_ondemand.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
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: Clean up local variable in cpufreq_stats_create_table() 2021-06-07 13:47:57 +02:00
cpufreq_userspace.c cpufreq: Register governors at core_initcall 2020-07-02 13:03:30 +02:00
cpufreq-dt-platdev.c cpufreq: Add SM6375 to cpufreq-dt-platdev blocklist 2023-02-01 08:27:16 +01:00
cpufreq-dt.c cpufreq: dt: Use .register_em() to register with energy model 2021-08-12 09:54:07 +05:30
cpufreq-dt.h cpufreq: dt: Allow platform specific intermediate callbacks 2020-03-12 15:43:52 +05:30
cpufreq-nforce2.c cpufreq: Avoid creating excessively large stack frames 2020-01-27 10:33:33 +01:00
cpufreq.c cpufreq: use correct unit when verify cur freq 2023-05-11 23:00:25 +09:00
davinci-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +01:00
e_powersaver.c cpufreq: e_powersaver: remove unreachable break 2020-10-27 18:42:54 +01:00
elanfreq.c cpufreq: Convert to new X86 CPU match macros 2020-03-24 21:31:27 +01:00
freq_table.c cpufreq: Fix scaling_{available,boost}_frequencies_show() comments 2021-03-26 17:43:48 +01:00
gx-suspmod.c cpufreq: Avoid creating excessively large stack frames 2020-01-27 10:33:33 +01:00
highbank-cpufreq.c cpufreq: highbank: Add missing MODULE_DEVICE_TABLE 2020-12-07 13:02:37 +05:30
ia64-acpi-cpufreq.c ia64: fix format string for ia64-acpi-cpu-freq 2021-03-19 17:26:20 +01:00
imx6q-cpufreq.c cpufreq: imx6q: Use .register_em() to register with energy model 2021-08-12 09:54:07 +05:30
imx-cpufreq-dt.c cpufreq: imx-cpufreq-dt: support i.MX7ULP 2020-04-28 14:26:20 +05:30
intel_pstate.c cpufreq: intel_pstate: Fix energy_performance_preference for passive 2023-07-23 13:46:46 +02:00
Kconfig cpufreq: Kconfig: fix documentation links 2021-04-21 19:00:42 +02:00
Kconfig.arm cpufreq: mediatek-hw: Add support for CPUFREQ HW 2021-09-06 15:15:19 +05:30
Kconfig.powerpc cpufreq: Fix Kconfig indentation 2019-11-29 11:52:02 +01:00
Kconfig.x86 cpufreq: sfi-cpufreq: Remove driver for deprecated firmware 2021-02-15 20:04:46 +01:00
kirkwood-cpufreq.c cpufreq: kirkwood: convert to devm_platform_ioremap_resource 2020-01-07 13:29:58 +05:30
longhaul.c cpufreq: Fix fall-through warning for Clang 2021-07-13 11:53:07 -05:00
longhaul.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
longrun.c cpufreq: Convert to new X86 CPU match macros 2020-03-24 21:31:27 +01:00
loongson1-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +01:00
loongson2_cpufreq.c cpufreq: loongson2: Remove unused linux/sched.h headers 2021-06-07 17:43:52 +02:00
Makefile cpufreq: mediatek-hw: Add support for CPUFREQ HW 2021-09-06 15:15:19 +05:30
maple-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
mediatek-cpufreq-hw.c cpufreq: mediatek-hw: Add support for CPUFREQ HW 2021-09-06 15:15:19 +05:30
mediatek-cpufreq.c cpufreq: mediatek: Unregister platform device on exit 2022-06-09 10:23:14 +02:00
mvebu-cpufreq.c
omap-cpufreq.c cpufreq: omap: Use .register_em() to register with energy model 2021-08-12 09:54:07 +05:30
p4-clockmod.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pasemi-cpufreq.c cpufreq: pasemi: Include header file for {check,restore}_astate prototypes 2020-07-15 15:17:06 +02:00
pcc-cpufreq.c cpufreq: pcc-cpufreq: Mark sometimes used ID structs as __maybe_unused 2020-07-15 15:17:06 +02:00
pmac32-cpufreq.c cpufreq: pmac32-cpufreq: Fix refcount leak bug 2022-07-21 21:24:34 +02:00
pmac64-cpufreq.c Merge branch 'pm-cpufreq' 2019-07-18 09:49:30 +02:00
powernow-k6.c cpufreq: Convert to new X86 CPU match macros 2020-03-24 21:31:27 +01:00
powernow-k7.c cpufreq: Convert to new X86 CPU match macros 2020-03-24 21:31:27 +01:00
powernow-k7.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
powernow-k8.c cpufreq: Replace deprecated CPU-hotplug functions 2021-08-04 20:16:32 +02:00
powernow-k8.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 347 2019-06-05 17:37:08 +02:00
powernv-cpufreq.c powerpc updates for 5.15 2021-09-03 11:22:50 -07:00
ppc_cbe_cpufreq_pervasive.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153 2019-05-30 11:26:32 -07:00
ppc_cbe_cpufreq_pmi.c cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
ppc_cbe_cpufreq.c cpufreq: powerpc_cbe: Switch to QoS requests for freq limits 2019-08-26 10:02:01 +02:00
ppc_cbe_cpufreq.h cpufreq: powerpc_cbe: Switch to QoS requests for freq limits 2019-08-26 10:02:01 +02:00
pxa2xx-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pxa3xx-cpufreq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
qcom-cpufreq-hw.c cpufreq: qcom-hw: Fix memory leak in qcom_cpufreq_hw_read_lut() 2022-12-31 13:14:01 +01:00
qcom-cpufreq-nvmem.c cpufreq: qcom: fix memory leak in error path 2022-10-29 10:12:54 +02:00
qoriq-cpufreq.c drivers: cpufreq: Add missing of_node_put() in qoriq-cpufreq.c 2022-07-07 17:53:33 +02:00
raspberrypi-cpufreq.c cpufreq: add driver for Raspberry Pi 2019-06-13 08:58:22 +05:30
s3c24xx-cpufreq-debugfs.c ARM: s3c: remove cpufreq header dependencies 2020-08-20 17:52:05 +02:00
s3c24xx-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +01:00
s3c64xx-cpufreq.c cpufreq: s3c64xx: Remove pointless NULL check in s3c64xx_cpufreq_driver_init 2019-10-23 08:53:23 +05:30
s3c2410-cpufreq.c cpufreq: s3c24xx: move low-level clk reg access into platform code 2020-08-20 17:53:22 +02:00
s3c2412-cpufreq.c cpufreq: s3c24xx: move low-level clk reg access into platform code 2020-08-20 17:53:22 +02:00
s3c2416-cpufreq.c cpufreq: s3c: fix unbalances of cpufreq policy refcount 2020-01-07 13:31:01 +05:30
s3c2440-cpufreq.c cpufreq: s3c24xx: move low-level clk reg access into platform code 2020-08-20 17:53:22 +02:00
s5pv210-cpufreq.c cpufreq: Rudimentary typos fix in the file s5pv210-cpufreq.c 2021-03-22 08:55:41 +05:30
sa1100-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +01:00
sa1110-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +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: Use .register_em() to register with energy model 2021-08-30 10:43:00 +05:30
scpi-cpufreq.c cpufreq: scpi: Use .register_em() to register with energy model 2021-08-30 10:42:45 +05:30
sh-cpufreq.c cpufreq: sh: Remove sh_cpufreq_cpu_ready() 2021-09-02 18:04:17 +02:00
sparc-us2e-cpufreq.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sparc-us3-cpufreq.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
spear-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +01:00
speedstep-centrino.c cpufreq: Convert to new X86 CPU match macros 2020-03-24 21:31:27 +01:00
speedstep-ich.c cpufreq: Convert to new X86 CPU match macros 2020-03-24 21:31:27 +01:00
speedstep-lib.c cpufreq: speedstep: remove unneeded semicolon 2020-10-28 18:04:07 +01:00
speedstep-lib.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
speedstep-smi.c cpufreq: Convert to new X86 CPU match macros 2020-03-24 21:31:27 +01:00
sti-cpufreq.c cpufreq: st: Add missing MODULE_DEVICE_TABLE 2020-12-07 13:02:37 +05:30
sun50i-cpufreq-nvmem.c cpufreq: fix memory leak in sun50i_cpufreq_nvmem_probe 2022-05-09 09:14:36 +02:00
tegra20-cpufreq.c cpufreq: tegra20: Use resource-managed API 2021-01-18 12:02:53 +05:30
tegra124-cpufreq.c cpufreq: tegra124: Add suspend and resume support 2019-10-29 13:25:29 +01:00
tegra186-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +01:00
tegra194-cpufreq.c cpufreq: Remove CPUFREQ_STICKY flag 2021-02-04 19:23:20 +01:00
ti-cpufreq.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
vexpress-spc-cpufreq.c cpufreq: vexpress: Drop unused variable 2021-09-16 11:29:27 -07:00