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[PATCH v2 2/4] acpi: cppc: Don't return on CPPC probe failure

From Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Newsgroups linux.kernel
Subject [PATCH v2 2/4] acpi: cppc: Don't return on CPPC probe failure
Date 2016-09-01 23:20 +0200
Message-ID <scHyW-75a-33@gated-at.bofh.it> (permalink)
References <scHyW-75a-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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It is still possible to continue even CPPC data is invalid or missing.

Suggested-by: Alexey Klimov <alexey.klimov@arm.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
 drivers/acpi/processor_driver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index f5c92be..8f8552a 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -246,7 +246,7 @@ static int __acpi_processor_start(struct acpi_device *device)
 
 	result = acpi_cppc_processor_probe(pr);
 	if (result && !IS_ENABLED(CONFIG_ACPI_CPU_FREQ_PSS))
-		return -ENODEV;
+		dev_warn(&device->dev, "CPPC data invalid or not present\n");
 
 	if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver)
 		acpi_processor_power_init(pr);
-- 
2.7.4

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Thread

[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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