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path: root/drivers/pci/pci-driver.c
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Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index f79cbcd3944b..1fa1e482a999 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -392,7 +392,7 @@ static void pci_device_shutdown(struct device *dev)
 	 * Turn off Bus Master bit on the device to tell it to not
 	 * continue to do DMA
 	 */
-	pci_disable_device(pci_dev);
+	pci_clear_master(pci_dev);
 }
 
 #ifdef CONFIG_PM
@@ -628,6 +628,7 @@ static int pci_pm_suspend(struct device *dev)
 		goto Fixup;
 	}
 
+	pci_dev->state_saved = false;
 	if (pm->suspend) {
 		pci_power_t prev = pci_dev->current_state;
 		int error;
@@ -774,6 +775,7 @@ static int pci_pm_freeze(struct device *dev)
 		return 0;
 	}
 
+	pci_dev->state_saved = false;
 	if (pm->freeze) {
 		int error;
 
@@ -862,6 +864,7 @@ static int pci_pm_poweroff(struct device *dev)
 		goto Fixup;
 	}
 
+	pci_dev->state_saved = false;
 	if (pm->poweroff) {
 		int error;
 
@@ -987,6 +990,7 @@ static int pci_pm_runtime_suspend(struct device *dev)
 	if (!pm || !pm->runtime_suspend)
 		return -ENOSYS;
 
+	pci_dev->state_saved = false;
 	pci_dev->no_d3cold = false;
 	error = pm->runtime_suspend(dev);
 	suspend_report_result(pm->runtime_suspend, error);
@@ -1186,9 +1190,13 @@ pci_dev_driver(const struct pci_dev *dev)
 static int pci_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct pci_dev *pci_dev = to_pci_dev(dev);
-	struct pci_driver *pci_drv = to_pci_driver(drv);
+	struct pci_driver *pci_drv;
 	const struct pci_device_id *found_id;
 
+	if (!pci_dev->match_driver)
+		return 0;
+
+	pci_drv = to_pci_driver(drv);
 	found_id = pci_match_device(pci_drv, pci_dev);
 	if (found_id)
 		return 1;