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ACPI fix for 5.19-rc8

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Fix yet another piece of ACPI CPPC changes fallout on AMD
 platforms (Mario Limonciello).
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Merge tag 'acpi-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Fix yet another piece of ACPI CPPC changes fallout on AMD platforms
  (Mario Limonciello)"

* tag 'acpi-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: CPPC: Don't require flexible address space if X86_FEATURE_CPPC is supported
This commit is contained in:
Linus Torvalds 2022-07-22 12:56:49 -07:00
commit ae21fbac18
1 changed files with 4 additions and 2 deletions
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6
drivers/acpi/cppc_acpi.c
View file

@ -782,7 +782,8 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
if (!osc_cpc_flexible_adr_space_confirmed) {
pr_debug("Flexible address space capability not supported\n");
goto out_free;
if (!cpc_supported_by_cpu())
goto out_free;
}
addr = ioremap(gas_t->address, gas_t->bit_width/8);
@ -809,7 +810,8 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
}
if (!osc_cpc_flexible_adr_space_confirmed) {
pr_debug("Flexible address space capability not supported\n");
goto out_free;
if (!cpc_supported_by_cpu())
goto out_free;
}
} else {
if (gas_t->space_id != ACPI_ADR_SPACE_FIXED_HARDWARE || !cpc_ffh_supported()) {