summaryrefslogtreecommitdiffstats
path: root/drivers/thermal/intel/intel_tcc.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:47:48 +0000
commita1865fbd182b17f2d2f465f557af5b45501c5f1c (patch)
tree59da519ef2e59c763bb8efdbe67bc348cf833767 /drivers/thermal/intel/intel_tcc.c
parentAdding upstream version 6.7.9. (diff)
downloadlinux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.tar.xz
linux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.zip
Adding upstream version 6.7.12.upstream/6.7.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/thermal/intel/intel_tcc.c')
-rw-r--r--drivers/thermal/intel/intel_tcc.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/thermal/intel/intel_tcc.c b/drivers/thermal/intel/intel_tcc.c
index 2e5c741c41..5e8b7f34b3 100644
--- a/drivers/thermal/intel/intel_tcc.c
+++ b/drivers/thermal/intel/intel_tcc.c
@@ -103,18 +103,19 @@ EXPORT_SYMBOL_NS_GPL(intel_tcc_set_offset, INTEL_TCC);
/**
* intel_tcc_get_temp() - returns the current temperature
* @cpu: cpu that the MSR should be run on, nagative value means any cpu.
+ * @temp: pointer to the memory for saving cpu temperature.
* @pkg: true: Package Thermal Sensor. false: Core Thermal Sensor.
*
* Get the current temperature returned by the CPU core/package level
* thermal sensor, in degrees C.
*
- * Return: Temperature in degrees C on success, negative error code otherwise.
+ * Return: 0 on success, negative error code otherwise.
*/
-int intel_tcc_get_temp(int cpu, bool pkg)
+int intel_tcc_get_temp(int cpu, int *temp, bool pkg)
{
u32 low, high;
u32 msr = pkg ? MSR_IA32_PACKAGE_THERM_STATUS : MSR_IA32_THERM_STATUS;
- int tjmax, temp, err;
+ int tjmax, err;
tjmax = intel_tcc_get_tjmax(cpu);
if (tjmax < 0)
@@ -131,9 +132,8 @@ int intel_tcc_get_temp(int cpu, bool pkg)
if (!(low & BIT(31)))
return -ENODATA;
- temp = tjmax - ((low >> 16) & 0x7f);
+ *temp = tjmax - ((low >> 16) & 0x7f);
- /* Do not allow negative CPU temperature */
- return temp >= 0 ? temp : -ENODATA;
+ return 0;
}
EXPORT_SYMBOL_NS_GPL(intel_tcc_get_temp, INTEL_TCC);