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ccb45b34d4
The cpufreq code can be in a loadable module, so the architecture support
for it has to be exported:
ERROR: modpost: "acpi_arch_thermal_cpufreq_pctg" [drivers/acpi/processor.ko] undefined!
Fixes: 310293a2b9 ("ACPI: processor: reduce CPUFREQ thermal reduction pctg for Tegra241")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
23 lines
493 B
C
23 lines
493 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/acpi.h>
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#include <linux/export.h>
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#include "../internal.h"
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#define SMCCC_SOC_ID_T241 0x036b0241
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int acpi_arch_thermal_cpufreq_pctg(void)
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{
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s32 soc_id = arm_smccc_get_soc_id_version();
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/*
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* Check JEP106 code for NVIDIA Tegra241 chip (036b:0241) and
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* reduce the CPUFREQ Thermal reduction percentage to 5%.
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*/
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if (soc_id == SMCCC_SOC_ID_T241)
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return 5;
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return 0;
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}
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EXPORT_SYMBOL_GPL(acpi_arch_thermal_cpufreq_pctg);
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