1 files changed, 11 insertions, 22 deletions

diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 2fc6b938e999..37ccc67f4914 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1096,8 +1096,7 @@ static void rtsx_pci_idle_work(struct work_struct *work)
 	mutex_unlock(&pcr->pcr_mutex);
 }
 
-#ifdef CONFIG_PM
-static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)
+static void __maybe_unused rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)
 {
 	if (pcr->ops->turn_off_led)
 		pcr->ops->turn_off_led(pcr);
@@ -1111,7 +1110,6 @@ static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)
 	if (pcr->ops->force_power_down)
 		pcr->ops->force_power_down(pcr, pm_state);
 }
-#endif
 
 void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr)
 {
@@ -1632,10 +1630,9 @@ static void rtsx_pci_remove(struct pci_dev *pcidev)
 		pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device);
 }
 
-#ifdef CONFIG_PM
-
-static int rtsx_pci_suspend(struct pci_dev *pcidev, pm_message_t state)
+static int __maybe_unused rtsx_pci_suspend(struct device *dev_d)
 {
+	struct pci_dev *pcidev = to_pci_dev(dev_d);
 	struct pcr_handle *handle;
 	struct rtsx_pcr *pcr;
 
@@ -1651,17 +1648,15 @@ static int rtsx_pci_suspend(struct pci_dev *pcidev, pm_message_t state)
 
 	rtsx_pci_power_off(pcr, HOST_ENTER_S3);
 
-	pci_save_state(pcidev);
-	pci_enable_wake(pcidev, pci_choose_state(pcidev, state), 0);
-	pci_disable_device(pcidev);
-	pci_set_power_state(pcidev, pci_choose_state(pcidev, state));
+	device_wakeup_disable(dev_d);
 
 	mutex_unlock(&pcr->pcr_mutex);
 	return 0;
 }
 
-static int rtsx_pci_resume(struct pci_dev *pcidev)
+static int __maybe_unused rtsx_pci_resume(struct device *dev_d)
 {
+	struct pci_dev *pcidev = to_pci_dev(dev_d);
 	struct pcr_handle *handle;
 	struct rtsx_pcr *pcr;
 	int ret = 0;
@@ -1673,13 +1668,6 @@ static int rtsx_pci_resume(struct pci_dev *pcidev)
 
 	mutex_lock(&pcr->pcr_mutex);
 
-	pci_set_power_state(pcidev, PCI_D0);
-	pci_restore_state(pcidev);
-	ret = pci_enable_device(pcidev);
-	if (ret)
-		goto out;
-	pci_set_master(pcidev);
-
 	ret = rtsx_pci_write_register(pcr, HOST_SLEEP_STATE, 0x03, 0x00);
 	if (ret)
 		goto out;
@@ -1695,6 +1683,8 @@ out:
 	return ret;
 }
 
+#ifdef CONFIG_PM
+
 static void rtsx_pci_shutdown(struct pci_dev *pcidev)
 {
 	struct pcr_handle *handle;
@@ -1714,19 +1704,18 @@ static void rtsx_pci_shutdown(struct pci_dev *pcidev)
 
 #else /* CONFIG_PM */
 
-#define rtsx_pci_suspend NULL
-#define rtsx_pci_resume NULL
 #define rtsx_pci_shutdown NULL
 
 #endif /* CONFIG_PM */
 
+static SIMPLE_DEV_PM_OPS(rtsx_pci_pm_ops, rtsx_pci_suspend, rtsx_pci_resume);
+
 static struct pci_driver rtsx_pci_driver = {
 	.name = DRV_NAME_RTSX_PCI,
 	.id_table = rtsx_pci_ids,
 	.probe = rtsx_pci_probe,
 	.remove = rtsx_pci_remove,
-	.suspend = rtsx_pci_suspend,
-	.resume = rtsx_pci_resume,
+	.driver.pm = &rtsx_pci_pm_ops,
 	.shutdown = rtsx_pci_shutdown,
 };
 module_pci_driver(rtsx_pci_driver);