From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Thu, 1 Sep 2016 20:37:09 +0000 (-0700)
Subject: ACPI / CPPC: Don't return on CPPC probe failure
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=5448f14698b916e5b04112b104433b90247e01c7;p=deliverable%2Flinux.git

ACPI / CPPC: Don't return on CPPC probe failure

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>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index f5c92be72987..8f8552a19e63 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);