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>

diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
index 53c84fa498ceca5d38dec22de6380077a69bbfde..a3210f09f366e2506d77c345c9c96bf7c9cd3af4 100644 (file)
--- 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,
        },
 };