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Groups > linux.kernel > #1474630
| From | Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 1/4] acpi: cppc: Allow build with ACPI_CPU_FREQ_PSS config |
| Date | 2016-09-01 23:20 +0200 |
| Message-ID | <scHyX-75a-65@gated-at.bofh.it> (permalink) |
| References | <scHyW-75a-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Some newer x86 platforms have support for both _CPC and _PSS object. So kernel config can have both ACPI_CPU_FREQ_PSS and ACPI_CPPC_LIB. So remove restriction for ACPI_CPPC_LIB to build only when ACPI_CPU_FREQ_PSS is not defined. Also for legacy systems with only _PSS, we shouldn't bail out if acpi_cppc_processor_probe() fails, if ACPI_CPU_FREQ_PSS is also defined. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> --- drivers/acpi/Kconfig | 1 - drivers/acpi/processor_driver.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 445ce28..c6bb6aa 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -227,7 +227,6 @@ config ACPI_MCFG config ACPI_CPPC_LIB bool depends on ACPI_PROCESSOR - depends on !ACPI_CPU_FREQ_PSS select MAILBOX select PCC help diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 0553aee..f5c92be 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -245,7 +245,7 @@ static int __acpi_processor_start(struct acpi_device *device) return 0; result = acpi_cppc_processor_probe(pr); - if (result) + if (result && !IS_ENABLED(CONFIG_ACPI_CPU_FREQ_PSS)) return -ENODEV; if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) -- 2.7.4
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[PATCH v2 0/4] CPPC only changes for supporting ITMT 3.0 Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-09-01 23:20 +0200 [PATCH v2 2/4] acpi: cppc: Don't return on CPPC probe failure Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-09-01 23:20 +0200 [PATCH v2 1/4] acpi: cppc: Allow build with ACPI_CPU_FREQ_PSS config Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-09-01 23:20 +0200 [PATCH v2 4/4] acpi: cppc: Add prefix cppc to cpudata structure name Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-09-01 23:20 +0200 [PATCH v2 3/4] acpi: cppc: Add support for functional fixed hardware address Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-09-01 23:30 +0200
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