PCI: Remove reset argument from pci_iov_{add,remove}_virtfn()

The "reset" argument passed to pci_iov_add_virtfn() and
pci_iov_remove_virtfn() is always zero since 46cb7b1bd86f ("PCI: Remove
unused SR-IOV VF Migration support")

Remove the argument together with the associated code.

Signed-off-by: Jan H. Schönherr <jschoenh@amazon.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Russell Currey <ruscur@russell.cc>

arch/powerpc/kernel/eeh_driver.c

@@ -441,7 +441,7 @@ static void *eeh_add_virt_device(void *data, void *userdata)
 	}
 
 #ifdef CONFIG_PPC_POWERNV
-	pci_iov_add_virtfn(edev->physfn, pdn->vf_index, 0);
+	pci_iov_add_virtfn(edev->physfn, pdn->vf_index);
 #endif
 	return NULL;
 }
@@ -499,7 +499,7 @@ static void *eeh_rmv_device(void *data, void *userdata)
 #ifdef CONFIG_PPC_POWERNV
 		struct pci_dn *pdn = eeh_dev_to_pdn(edev);
 
-		pci_iov_remove_virtfn(edev->physfn, pdn->vf_index, 0);
+		pci_iov_remove_virtfn(edev->physfn, pdn->vf_index);
 		edev->pdev = NULL;
 
 		/*

drivers/pci/iov.c

@@ -113,7 +113,7 @@ resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno)
 	return dev->sriov->barsz[resno - PCI_IOV_RESOURCES];
 }
 
-int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset)
+int pci_iov_add_virtfn(struct pci_dev *dev, int id)
 {
 	int i;
 	int rc = -ENOMEM;
@@ -157,9 +157,6 @@ int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset)
 		BUG_ON(rc);
 	}
 
-	if (reset)
-		__pci_reset_function(virtfn);
-
 	pci_device_add(virtfn, virtfn->bus);
 
 	pci_bus_add_device(virtfn);
@@ -187,7 +184,7 @@ failed:
 	return rc;
 }
 
-void pci_iov_remove_virtfn(struct pci_dev *dev, int id, int reset)
+void pci_iov_remove_virtfn(struct pci_dev *dev, int id)
 {
 	char buf[VIRTFN_ID_LEN];
 	struct pci_dev *virtfn;
@@ -198,11 +195,6 @@ void pci_iov_remove_virtfn(struct pci_dev *dev, int id, int reset)
 	if (!virtfn)
 		return;
 
-	if (reset) {
-		device_release_driver(&virtfn->dev);
-		__pci_reset_function(virtfn);
-	}
-
 	sprintf(buf, "virtfn%u", id);
 	sysfs_remove_link(&dev->dev.kobj, buf);
 	/*
@@ -317,7 +309,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 	pci_cfg_access_unlock(dev);
 
 	for (i = 0; i < initial; i++) {
-		rc = pci_iov_add_virtfn(dev, i, 0);
+		rc = pci_iov_add_virtfn(dev, i);
 		if (rc)
 			goto failed;
 	}
@@ -329,7 +321,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 
 failed:
 	while (i--)
-		pci_iov_remove_virtfn(dev, i, 0);
+		pci_iov_remove_virtfn(dev, i);
 
 err_pcibios:
 	iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
@@ -356,7 +348,7 @@ static void sriov_disable(struct pci_dev *dev)
 		return;
 
 	for (i = 0; i < iov->num_VFs; i++)
-		pci_iov_remove_virtfn(dev, i, 0);
+		pci_iov_remove_virtfn(dev, i);
 
 	iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
 	pci_cfg_access_lock(dev);

include/linux/pci.h

@@ -1958,8 +1958,8 @@ int pci_iov_virtfn_devfn(struct pci_dev *dev, int id);
 
 int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
 void pci_disable_sriov(struct pci_dev *dev);
-int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset);
-void pci_iov_remove_virtfn(struct pci_dev *dev, int id, int reset);
+int pci_iov_add_virtfn(struct pci_dev *dev, int id);
+void pci_iov_remove_virtfn(struct pci_dev *dev, int id);
 int pci_num_vf(struct pci_dev *dev);
 int pci_vfs_assigned(struct pci_dev *dev);
 int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
@@ -1976,12 +1976,12 @@ static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id)
 }
 static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
 { return -ENODEV; }
-static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset)
+static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id)
 {
 	return -ENOSYS;
 }
 static inline void pci_iov_remove_virtfn(struct pci_dev *dev,
-					 int id, int reset) { }
+					 int id) { }
 static inline void pci_disable_sriov(struct pci_dev *dev) { }
 static inline int pci_num_vf(struct pci_dev *dev) { return 0; }
 static inline int pci_vfs_assigned(struct pci_dev *dev)