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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2019-04-29 20:47:43 -0700
committerZhang Rui <rui.zhang@intel.com>2019-06-25 21:21:01 +0800
commitaaba9791fbb4c5c5af86ea296f5b8d577aa293d8 (patch)
tree5fe898cb72d8605c77c5dedae1ea56fdbcd43392 /drivers/thermal
parent4b972a01a7da614b4796475f933094751a295a2f (diff)
downloadlinux-aaba9791fbb4c5c5af86ea296f5b8d577aa293d8.tar.bz2
drivers: thermal: processor_thermal: Read PPCC on resume
Read PPCC power limits on system resume in case those limits changed while system was suspended. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
index 53c84fa498ce..a3210f09f366 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
@@ -443,6 +443,18 @@ static void proc_thermal_pci_remove(struct pci_dev *pdev)
pci_disable_device(pdev);
}
+static int proc_thermal_resume(struct device *dev)
+{
+ struct proc_thermal_device *proc_dev;
+
+ proc_dev = dev_get_drvdata(dev);
+ proc_thermal_read_ppcc(proc_dev);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(proc_thermal_pm, NULL, proc_thermal_resume);
+
static const struct pci_device_id proc_thermal_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BDW_THERMAL)},
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_HSB_THERMAL)},
@@ -465,6 +477,7 @@ static struct pci_driver proc_thermal_pci_driver = {
.probe = proc_thermal_pci_probe,
.remove = proc_thermal_pci_remove,
.id_table = proc_thermal_pci_ids,
+ .driver.pm = &proc_thermal_pm,
};
static const struct acpi_device_id int3401_device_ids[] = {
@@ -479,6 +492,7 @@ static struct platform_driver int3401_driver = {
.driver = {
.name = "int3401 thermal",
.acpi_match_table = int3401_device_ids,
+ .pm = &proc_thermal_pm,
},
};