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authorLinus Torvalds <torvalds@linux-foundation.org>2022-07-22 22:56:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-07-22 22:56:49 +0300
commitae21fbac18b980ecfd895ff32833a2543c157ee2 (patch)
tree6736deff0724d8289b0ec59343e1e3cc947db111 /drivers
parenta5235996e1b04405fbd6deea37b051715214fd2a (diff)
parent09073396ea62d0a10b03f5661dcabfd8eca3f098 (diff)
downloadlinux-ae21fbac18b980ecfd895ff32833a2543c157ee2.tar.xz
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
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/cppc_acpi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 6ff1901d7d43..3c6d4ef87be0 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -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()) {